VOID_StageInfo: Added invert deltaV column.
VOID_StageInfo: Added invert deltaV column.

--- a/VOID.csproj
+++ b/VOID.csproj
@@ -99,6 +99,7 @@
     <Compile Include="VOID_CareerStatus.cs" />
     <Compile Include="VOID_StageInfo.cs" />
     <Compile Include="VOID_Styles.cs" />
+    <Compile Include="VOID_Data.cs" />
   </ItemGroup>
   <ProjectExtensions>
     <MonoDevelop>

--- a/VOID_CareerStatus.cs
+++ b/VOID_CareerStatus.cs
@@ -236,57 +236,6 @@
 			VOID_CareerStatus.Instance = null;
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_StrValue fundingStatus = new VOID_StrValue(
-			string.Intern("Funds"),
-			delegate()
-		{
-			if (VOID_CareerStatus.Instance == null)
-			{
-				return string.Empty;
-			}
-
-			return string.Format("{0} ({1})",
-				VOID_CareerStatus.Instance.currentFunds.ToString("#,#.##"),
-				VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastFundsChange)
-			);
-		}
-		);
-
-		public static readonly VOID_StrValue reputationStatus = new VOID_StrValue(
-			string.Intern("Reputation"),
-			delegate()
-		{
-			if (VOID_CareerStatus.Instance == null)
-			{
-				return string.Empty;
-			}
-
-			return string.Format("{0} ({1})",
-				VOID_CareerStatus.Instance.currentReputation.ToString("#,#.##"),
-				VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastRepChange)
-			);
-		}
-		);
-
-		public static readonly VOID_StrValue scienceStatus = new VOID_StrValue(
-			string.Intern("Science"),
-			delegate()
-		{
-			if (VOID_CareerStatus.Instance == null)
-			{
-				return string.Empty;
-			}
-
-			return string.Format("{0} ({1})",
-				VOID_CareerStatus.Instance.currentScience.ToString("#,#.##"),
-				VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastScienceChange)
-			);
-		}
-		);
-	}
 }
 
 

--- a/VOID_Core.cs
+++ b/VOID_Core.cs
@@ -120,7 +120,6 @@
 		protected int _windowID = 0;
 
 		protected bool GUIStylesLoaded = false;
-		protected Dictionary<string, GUIStyle> _LabelStyles = new Dictionary<string, GUIStyle>();
 
 		protected CelestialBody _Kerbin;
 
@@ -227,14 +226,6 @@
 					this._windowID = this.windowBaseID;
 				}
 				return this._windowID++;
-			}
-		}
-
-		public Dictionary<string, GUIStyle> LabelStyles
-		{
-			get
-			{
-				return this._LabelStyles;
 			}
 		}
 
@@ -1153,39 +1144,6 @@
 			Active = 8
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static VOID_Core core
-		{
-			get
-			{
-				if (HighLogic.LoadedSceneIsEditor)
-				{
-					return VOID_EditorCore.Instance;
-				}
-				else
-				{
-					return VOID_Core.Instance;
-				}
-			}
-		}
-
-		public static double KerbinGee
-		{
-			get
-			{
-				if (kerbinGee == default(double))
-				{
-					kerbinGee = core.Kerbin.gravParameter / (core.Kerbin.Radius * core.Kerbin.Radius);
-				}
-
-				return kerbinGee;
-			}
-		}
-
-		private static double kerbinGee;
-	}
 }
 
 

file:b/VOID_Data.cs (new)
--- /dev/null
+++ b/VOID_Data.cs
@@ -1,1 +1,1172 @@
-
+// VOID
+//
+// VOID_Data.cs
+//
+// Copyright © 2014, toadicus
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+//    this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be used
+//    to endorse or promote products derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+using Engineer.VesselSimulator;
+using KSP;
+using System;
+using System.Collections.Generic;
+using ToadicusTools;
+using UnityEngine;
+
+namespace VOID
+{
+	public static class VOID_Data
+	{
+		#region Constants
+
+		private static double kerbinGee;
+
+		public static double KerbinGee
+		{
+			get
+			{
+				if (kerbinGee == default(double))
+				{
+					kerbinGee = core.Kerbin.gravParameter / (core.Kerbin.Radius * core.Kerbin.Radius);
+				}
+
+				return kerbinGee;
+			}
+		}
+
+		#endregion
+
+		#region Core Data
+
+		public static VOID_Core core
+		{
+			get
+			{
+				if (HighLogic.LoadedSceneIsEditor)
+				{
+					return VOID_EditorCore.Instance;
+				}
+				else
+				{
+					return VOID_Core.Instance;
+				}
+			}
+		}
+
+		#endregion
+
+		#region Atmosphere
+
+		public static readonly VOID_DoubleValue atmDensity =
+			new VOID_DoubleValue(
+				"Atmosphere Density",
+				new Func<double>(() => core.vessel.atmDensity * 1000f),
+				"g/m³"
+			);
+
+		public static readonly VOID_FloatValue atmLimit =
+			new VOID_FloatValue(
+				"Atmosphere Limit",
+				new Func<float>(() => core.vessel.mainBody.maxAtmosphereAltitude),
+				"m"
+			);
+
+		public static readonly VOID_DoubleValue atmPressure =
+			new VOID_DoubleValue(
+				"Pressure",
+				new Func<double>(() => core.vessel.staticPressure),
+				"atm"
+			);
+
+		public static readonly VOID_FloatValue temperature =
+			new VOID_FloatValue(
+				"Temperature",
+				new Func<float>(() => core.vessel.flightIntegrator.getExternalTemperature()),
+				"°C"
+			);
+
+		#endregion
+
+		#region Attitude
+
+		public static readonly VOID_StrValue vesselHeading =
+			new VOID_StrValue(
+				"Heading",
+				delegate()
+				{
+					double heading = core.vessel.getSurfaceHeading();
+					string cardinal = VOID_Tools.get_heading_text(heading);
+
+					return string.Format(
+						"{0}° {1}",
+						heading.ToString("F2"),
+						cardinal
+					);
+				}
+			);
+
+		public static readonly VOID_DoubleValue vesselPitch =
+			new VOID_DoubleValue(
+				"Pitch",
+				() => core.vessel.getSurfacePitch(),
+				"°"
+			);
+
+		#endregion
+
+		#region Career
+
+		public static readonly VOID_StrValue fundingStatus =
+			new VOID_StrValue(
+				string.Intern("Funds"),
+				delegate()
+				{
+					if (VOID_CareerStatus.Instance == null)
+					{
+						return string.Empty;
+					}
+
+					return string.Format("{0} ({1})",
+						VOID_CareerStatus.Instance.currentFunds.ToString("#,#.##"),
+						VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastFundsChange)
+					);
+				}
+			);
+
+		public static readonly VOID_StrValue reputationStatus =
+			new VOID_StrValue(
+				string.Intern("Reputation"),
+				delegate()
+				{
+					if (VOID_CareerStatus.Instance == null)
+					{
+						return string.Empty;
+					}
+
+					return string.Format("{0} ({1})",
+						VOID_CareerStatus.Instance.currentReputation.ToString("#,#.##"),
+						VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastRepChange)
+					);
+				}
+			);
+
+		public static readonly VOID_StrValue scienceStatus =
+			new VOID_StrValue(
+				string.Intern("Science"),
+				delegate()
+				{
+					if (VOID_CareerStatus.Instance == null)
+					{
+						return string.Empty;
+					}
+
+					return string.Format("{0} ({1})",
+						VOID_CareerStatus.Instance.currentScience.ToString("#,#.##"),
+						VOID_CareerStatus.formatDelta(VOID_CareerStatus.Instance.lastScienceChange)
+					);
+				}
+			);
+
+		#endregion
+
+		#region Control
+
+		public static readonly VOID_FloatValue mainThrottle =
+			new VOID_FloatValue(
+				"Throttle",
+				new Func<float>(() => core.vessel.ctrlState.mainThrottle * 100f),
+				"%"
+			);
+
+		#endregion
+
+		#region Engineering
+
+		public static readonly VOID_IntValue partCount =
+			new VOID_IntValue(
+				"Parts",
+				new Func<int>(() => core.vessel.Parts.Count),
+				""
+			);
+
+		#region Mass
+
+		public static readonly VOID_StrValue comboResourceMass =
+			new VOID_StrValue(
+				"Resource Mass (curr / total)",
+				delegate()
+				{
+					return string.Format("{0} / {1}",
+						stageResourceMass.ValueUnitString("F3"),
+						resourceMass.ValueUnitString("F3")
+					);
+				}
+			);
+
+		public static readonly VOID_DoubleValue resourceMass =
+			new VOID_DoubleValue(
+				"Resource Mass",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					return core.LastStage.totalMass - core.LastStage.totalBaseMass;
+				},
+				"tons"
+			);
+
+		public static readonly VOID_DoubleValue stageResourceMass =
+			new VOID_DoubleValue(
+				"Resource Mass (Stage)",
+				delegate()
+				{
+					if (core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					return core.LastStage.mass - core.LastStage.baseMass;
+				},
+				"tons"
+			);
+
+		public static readonly VOID_DoubleValue totalMass =
+			new VOID_DoubleValue(
+				"Total Mass",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					return core.LastStage.totalMass;
+				},
+				"tons"
+			);
+
+		#endregion
+
+		#region DeltaV
+
+		public static readonly VOID_DoubleValue stageDeltaV =
+			new VOID_DoubleValue(
+				"DeltaV (Current Stage)",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+						return double.NaN;
+					return core.LastStage.deltaV;
+				},
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue totalDeltaV =
+			new VOID_DoubleValue(
+				"DeltaV (Total)",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+						return double.NaN;
+					return core.LastStage.totalDeltaV;
+				},
+				"m/s"
+			);
+
+		#endregion
+
+		#region Propulsion
+
+		public static readonly VOID_StrValue currmaxThrustWeight =
+			new VOID_StrValue(
+				"T:W (curr/max)",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+						return "N/A";
+
+					return string.Format(
+						"{0} / {1}",
+						(VOID_Data.currThrustWeight.Value).ToString("F2"),
+						(VOID_Data.maxThrustWeight.Value).ToString("F2")
+					);
+				}
+			);
+
+		public static readonly VOID_StrValue currmaxThrust =
+			new VOID_StrValue(
+				"Thrust (curr/max)",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+						return "N/A";
+
+					double currThrust = core.LastStage.actualThrust;
+					double maxThrust = core.LastStage.thrust;
+
+					return string.Format(
+						"{0} / {1}",
+						currThrust.ToString("F1"),
+						maxThrust.ToString("F1")
+					);
+				}
+			);
+
+		public static readonly VOID_DoubleValue stageMassFlow =
+			new VOID_DoubleValue(
+				"Stage Mass Flow",
+				delegate()
+				{
+					if (core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					double stageIsp = core.LastStage.isp;
+					double stageThrust = stageNominalThrust;
+
+					Tools.PostDebugMessage(typeof(VOID_Data), "calculating stageMassFlow from:\n" +
+						"\tstageIsp: {0}\n" +
+						"\tstageThrust: {1}\n" +
+						"\tKerbinGee: {2}\n",
+						stageIsp,
+						stageThrust,
+						KerbinGee
+					);
+
+					return stageThrust / (stageIsp * KerbinGee);
+				},
+				"Mg/s"
+			);
+
+		public static readonly VOID_DoubleValue stageNominalThrust =
+			new VOID_DoubleValue(
+				"Nominal Stage Thrust",
+				delegate()
+				{
+					if (core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					if (core.LastStage.actualThrust == 0d)
+					{
+						return core.LastStage.thrust;
+					}
+					else
+					{
+						return core.LastStage.actualThrust;
+					}
+				},
+				"kN"
+			);
+
+		#endregion
+
+		#region Kinetics
+
+		public static readonly VOID_DoubleValue currThrustWeight =
+			new VOID_DoubleValue(
+				"T:W Ratio",
+				delegate()
+				{
+					if (core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					return core.LastStage.actualThrustToWeight;
+				},
+				""
+			);
+
+
+
+		public static readonly VOID_DoubleValue maxThrustWeight =
+			new VOID_DoubleValue(
+				"T:W Ratio",
+				delegate()
+				{
+					if (core.LastStage == null)
+					{
+						return double.NaN;
+					}
+
+					return core.LastStage.thrustToWeight;
+				},
+				""
+			);
+
+		public static readonly VOID_DoubleValue nominalThrustWeight =
+			new VOID_DoubleValue(
+				"Thrust-to-Weight Ratio",
+				delegate()
+				{
+					if (HighLogic.LoadedSceneIsEditor || currThrustWeight.Value == 0d)
+					{
+						return maxThrustWeight.Value;
+					}
+
+					return currThrustWeight.Value;
+				},
+				""
+			);
+
+		public static readonly VOID_DoubleValue surfaceThrustWeight =
+			new VOID_DoubleValue(
+				"Max T:W @ surface",
+				delegate()
+				{
+					if (core.Stages == null || core.LastStage == null)
+						return double.NaN;
+
+					double maxThrust = core.LastStage.thrust;
+					double mass = core.LastStage.totalMass;
+					double gravity = (VOID_Core.Constant_G * core.vessel.mainBody.Mass) /
+					               (core.vessel.mainBody.Radius * core.vessel.mainBody.Radius);
+					double weight = mass * gravity;
+
+					return maxThrust / weight;
+				},
+				""
+			);
+
+		public static readonly VOID_Vector3dValue vesselThrustOffset =
+			new VOID_Vector3dValue(
+				"Thrust Offset",
+				delegate()
+				{
+					if (core.vessel == null)
+					{
+						return Vector3d.zero;
+					}
+
+					List<PartModule> engineModules = core.vessel.getModulesOfType<PartModule>();
+
+					Vector3d thrustPos = Vector3d.zero;
+					Vector3d thrustDir = Vector3d.zero;
+					float thrust = 0;
+
+					foreach (PartModule engine in engineModules)
+					{
+						float moduleThrust = 0;
+
+						switch (engine.moduleName)
+						{
+							case "ModuleEngines":
+							case "ModuleEnginesFX":
+								break;
+							default:
+								continue;
+						}
+
+						if (!engine.isEnabled)
+						{
+							continue;
+						}
+
+						CenterOfThrustQuery cotQuery = new CenterOfThrustQuery();
+
+						if (engine is ModuleEngines)
+						{
+							ModuleEngines engineModule = engine as ModuleEngines;
+
+							moduleThrust = engineModule.finalThrust;
+
+							engineModule.OnCenterOfThrustQuery(cotQuery);
+						}
+						else // engine is ModuleEnginesFX
+						{
+							ModuleEnginesFX engineFXModule = engine as ModuleEnginesFX;
+
+							moduleThrust = engineFXModule.finalThrust;
+
+							engineFXModule.OnCenterOfThrustQuery(cotQuery);
+						}
+
+						if (moduleThrust != 0d)
+						{
+							cotQuery.thrust = moduleThrust;
+						}
+
+						thrustPos += cotQuery.pos * cotQuery.thrust;
+						thrustDir += cotQuery.dir * cotQuery.thrust;
+						thrust += cotQuery.thrust;
+					}
+
+					if (thrust != 0)
+					{
+						thrustPos /= thrust;
+						thrustDir /= thrust;
+					}
+
+					Transform vesselTransform = core.vessel.transform;
+
+					thrustPos = vesselTransform.InverseTransformPoint(thrustPos);
+					thrustDir = vesselTransform.InverseTransformDirection(thrustDir);
+
+					Vector3d thrustOffset = VectorTools.PointDistanceToLine(
+						                      thrustPos, thrustDir.normalized, core.vessel.findLocalCenterOfMass());
+
+					Tools.PostDebugMessage(typeof(VOID_Data), "vesselThrustOffset:\n" +
+						"\tthrustPos: {0}\n" +
+						"\tthrustDir: {1}\n" +
+						"\tthrustOffset: {2}\n" +
+						"\tvessel.CoM: {3}",
+						thrustPos,
+						thrustDir.normalized,
+						thrustOffset,
+						core.vessel.findWorldCenterOfMass()
+					);
+
+					return thrustOffset;
+				},
+				"m"
+			);
+
+		#endregion
+
+		#region Air Breathing
+
+		public static readonly VOID_StrValue intakeAirStatus =
+			new VOID_StrValue(
+				"Intake Air (Curr / Req)",
+				delegate()
+				{
+					double currentAmount;
+					double currentRequirement;
+
+					currentAmount = 0d;
+					currentRequirement = 0d;
+
+					foreach (Part part in core.vessel.Parts)
+					{
+						if (part.enabled)
+						{
+							ModuleEngines engineModule;
+							ModuleEnginesFX enginesFXModule;
+							List<Propellant> propellantList = null;
+
+							if (part.tryGetFirstModuleOfType<ModuleEngines>(out engineModule))
+							{
+								propellantList = engineModule.propellants;
+							}
+							else if (part.tryGetFirstModuleOfType<ModuleEnginesFX>(out enginesFXModule))
+								{
+									propellantList = enginesFXModule.propellants;
+								}
+
+							if (propellantList != null)
+							{
+								foreach (Propellant propellant in propellantList)
+								{
+									if (propellant.name == "IntakeAir")
+									{
+										currentRequirement += propellant.currentRequirement / TimeWarp.fixedDeltaTime;
+										break;
+									}
+								}
+							}
+						}
+
+						ModuleResourceIntake intakeModule;
+
+						if (part.enabled && part.tryGetFirstModuleOfType<ModuleResourceIntake>(out intakeModule))
+						{
+							if (intakeModule.resourceName == "IntakeAir")
+							{
+								currentAmount += intakeModule.airFlow;
+							}
+						}
+					}
+
+					if (currentAmount == 0 && currentRequirement == 0)
+					{
+						return "N/A";
+					}
+
+					return string.Format("{0:F3} / {1:F3}", currentAmount, currentRequirement);
+				}
+			);
+
+		#endregion
+
+		#region Crew
+
+		public static readonly VOID_IntValue vesselCrewCount =
+			new VOID_IntValue(
+				"Crew Onboard",
+				delegate()
+				{
+					if (core.vessel != null)
+					{
+						return core.vessel.GetCrewCount();
+					}
+					else
+					{
+						return 0;
+					}
+				},
+				""
+			);
+
+		public static readonly VOID_IntValue vesselCrewCapacity =
+			new VOID_IntValue(
+				"Crew Capacity",
+				delegate()
+				{
+					if (core.vessel != null)
+					{
+						return core.vessel.GetCrewCapacity();
+					}
+					else
+					{
+						return 0;
+					}
+				},
+				""
+			);
+
+		#endregion
+
+		#endregion
+
+		#region Location
+
+		public static readonly VOID_DoubleValue downrangeDistance =
+			new VOID_DoubleValue(
+				"Downrange Distance",
+				delegate()
+				{
+
+					if (core.vessel == null ||
+					  Planetarium.fetch == null ||
+					  core.vessel.mainBody != Planetarium.fetch.Home)
+					{
+						return double.NaN;
+					}
+
+					double vesselLongitude = core.vessel.longitude * Math.PI / 180d;
+					double vesselLatitude = core.vessel.latitude * Math.PI / 180d;
+
+					const double kscLongitude = 285.442323427289 * Math.PI / 180d;
+					const double kscLatitude = -0.0972112860655246 * Math.PI / 180d;
+
+					double diffLon = vesselLongitude - kscLongitude;
+					double diffLat = vesselLatitude - kscLatitude;
+
+					double sinHalfDiffLat = Math.Sin(diffLat / 2d);
+					double sinHalfDiffLon = Math.Sin(diffLon / 2d);
+
+					double cosVesselLon = Math.Cos(vesselLongitude);
+					double cosKSCLon = Math.Cos(kscLongitude);
+
+					double haversine =
+						sinHalfDiffLat * sinHalfDiffLat +
+						cosVesselLon * cosKSCLon * sinHalfDiffLon * sinHalfDiffLon;
+
+					double arc = 2d * Math.Atan2(Math.Sqrt(haversine), Math.Sqrt(1d - haversine));
+
+					return core.vessel.mainBody.Radius * arc;
+				},
+				"m"
+			);
+
+		public static readonly VOID_StrValue surfLatitude =
+			new VOID_StrValue(
+				"Latitude",
+				new Func<string>(() => VOID_Tools.GetLatitudeString(core.vessel))
+			);
+
+		public static readonly VOID_StrValue surfLongitude =
+			new VOID_StrValue(
+				"Longitude",
+				new Func<string>(() => VOID_Tools.GetLongitudeString(core.vessel))
+			);
+
+		public static readonly VOID_DoubleValue trueAltitude =
+			new VOID_DoubleValue(
+				"Altitude (true)",
+				delegate()
+				{
+					double alt_true = core.vessel.orbit.altitude - core.vessel.terrainAltitude;
+					// HACK: This assumes that on worlds with oceans, all water is fixed at 0 m,
+					// and water covers the whole surface at 0 m.
+					if (core.vessel.terrainAltitude < 0 && core.vessel.mainBody.ocean)
+						alt_true = core.vessel.orbit.altitude;
+					return alt_true;
+				},
+				"m"
+			);
+
+		#endregion
+
+		#region Kinematics
+
+		public static readonly VOID_DoubleValue geeForce =
+			new VOID_DoubleValue(
+				"G-force",
+				new Func<double>(() => core.vessel.geeForce),
+				"gees"
+			);
+
+		public static readonly VOID_DoubleValue horzVelocity =
+			new VOID_DoubleValue(
+				"Horizontal speed",
+				new Func<double>(() => core.vessel.horizontalSrfSpeed),
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue surfVelocity =
+			new VOID_DoubleValue(
+				"Surface velocity",
+				new Func<double>(() => core.vessel.srf_velocity.magnitude),
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue vertVelocity =
+			new VOID_DoubleValue(
+				"Vertical speed",
+				new Func<double>(() => core.vessel.verticalSpeed),
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue vesselAccel =
+			new VOID_DoubleValue(
+				"Acceleration",
+				() => geeForce * KerbinGee,
+				"m/s²"
+			);
+
+		public static readonly VOID_DoubleValue vesselAngularVelocity =
+			new VOID_DoubleValue(
+				"Angular Velocity",
+				delegate()
+				{
+					if (core.vessel != null)
+					{
+						return core.vessel.angularVelocity.magnitude;
+					}
+					else
+					{
+						return double.NaN;
+					}
+				},
+				"rad/s"
+			);
+
+		#endregion
+
+		#region Navigation
+
+		public static int upcomingManeuverNodes
+		{
+			get
+			{
+				if (core.vessel == null ||
+				    core.vessel.patchedConicSolver == null ||
+				    core.vessel.patchedConicSolver.maneuverNodes == null)
+				{
+					return 0;
+				}
+
+				return core.vessel.patchedConicSolver.maneuverNodes.Count;
+			}
+		}
+
+		public static readonly VOID_StrValue burnTimeDoneAtNode =
+			new VOID_StrValue(
+				"Full burn time to be half done at node",
+				delegate()
+				{
+					if (core.LastStage == null && upcomingManeuverNodes < 1)
+					{
+						return "N/A";
+					}
+
+					ManeuverNode node = core.vessel.patchedConicSolver.maneuverNodes[0];
+
+					if ((node.UT - Planetarium.GetUniversalTime()) < 0)
+					{
+						return string.Empty;
+					}
+
+					double interval = (node.UT - currentNodeBurnDuration) - Planetarium.GetUniversalTime();
+
+					if (double.IsNaN(interval))
+					{
+						return string.Intern("NaN");
+					}
+
+					int sign = Math.Sign(interval);
+					interval = Math.Abs(interval);
+
+					string format;
+
+					if (sign >= 0)
+					{
+						format = string.Intern("T - {0}");
+					}
+					else
+					{
+						format = string.Intern("T + {0}");
+					}
+
+					return string.Format(format, VOID_Tools.ConvertInterval(interval));
+				}
+			);
+
+		public static readonly VOID_StrValue burnTimeHalfDoneAtNode =
+			new VOID_StrValue(
+				"Full burn time to be half done at node",
+				delegate()
+				{
+					if (core.LastStage == null && upcomingManeuverNodes < 1)
+					{
+						return "N/A";
+					}
+
+					ManeuverNode node = core.vessel.patchedConicSolver.maneuverNodes[0];
+
+					if ((node.UT - Planetarium.GetUniversalTime()) < 0)
+					{
+						return string.Empty;
+					}
+
+					double interval = (node.UT - currentNodeHalfBurnDuration) - Planetarium.GetUniversalTime();
+
+					if (double.IsNaN(interval))
+					{
+						return string.Intern("NaN");
+					}
+
+					int sign = Math.Sign(interval);
+					interval = Math.Abs(interval);
+
+					string format;
+
+					if (sign >= 0)
+					{
+						format = string.Intern("T - {0}");
+					}
+					else
+					{
+						format = string.Intern("T + {0}");
+					}
+
+					return string.Format(format, VOID_Tools.ConvertInterval(interval));
+				}
+			);
+
+		public static readonly VOID_DoubleValue currManeuverDeltaV =
+			new VOID_DoubleValue(
+				"Current Maneuver Delta-V",
+				delegate()
+				{
+					if (upcomingManeuverNodes > 0)
+					{
+						return core.vessel.patchedConicSolver.maneuverNodes[0].DeltaV.magnitude;
+					}
+					else
+					{
+						return double.NaN;
+					}
+				},
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue currManeuverDVRemaining =
+			new VOID_DoubleValue(
+				"Remaining Maneuver Delta-V",
+				delegate()
+				{
+					if (upcomingManeuverNodes > 0)
+					{
+						return core.vessel.patchedConicSolver.maneuverNodes[0].GetBurnVector(core.vessel.orbit).magnitude;
+					}
+					else
+					{
+						return double.NaN;
+					}
+				},
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue currentNodeBurnDuration =
+			new VOID_DoubleValue(
+				"Total Burn Time",
+				delegate()
+				{
+					if (core.LastStage == null || currManeuverDeltaV.Value == double.NaN)
+					{
+						return double.NaN;
+					}
+
+					double stageThrust = stageNominalThrust;
+
+					return burnTime(currManeuverDeltaV.Value, totalMass, stageMassFlow, stageThrust);
+				},
+				"s"
+			);
+
+		public static readonly VOID_DoubleValue currentNodeBurnRemaining =
+			new VOID_DoubleValue(
+				"Burn Time Remaining",
+				delegate()
+				{
+					if (core.LastStage == null || currManeuverDVRemaining == double.NaN)
+					{
+						return double.NaN;
+					}
+
+					double stageThrust = stageNominalThrust;
+
+					return burnTime(currManeuverDVRemaining, totalMass, stageMassFlow, stageThrust);
+				},
+				"s"
+			);
+
+		public static readonly VOID_DoubleValue currentNodeHalfBurnDuration =
+			new VOID_DoubleValue(
+				"Half Burn Time",
+				delegate()
+				{
+					if (core.LastStage == null || currManeuverDeltaV.Value == double.NaN)
+					{
+						return double.NaN;
+					}
+
+					double stageThrust = stageNominalThrust;
+
+					return burnTime(currManeuverDeltaV.Value / 2d, totalMass, stageMassFlow, stageThrust);
+				},
+				"s"
+			);
+
+		public static readonly VOID_DoubleValue nextManeuverDeltaV =
+			new VOID_DoubleValue(
+				"Current Maneuver Delta-V",
+				delegate()
+				{
+					if (upcomingManeuverNodes > 1)
+					{
+						return core.vessel.patchedConicSolver.maneuverNodes[1].DeltaV.magnitude;
+					}
+					else
+					{
+						return double.NaN;
+					}
+				},
+				"m/s"
+			);
+
+		#endregion
+
+		#region Orbits
+
+		public static readonly VOID_StrValue primaryName =
+			new VOID_StrValue(
+				VOID_Localization.void_primary,
+				delegate()
+				{
+					if (core.vessel == null)
+					{
+						return string.Empty;
+					}
+					return core.vessel.mainBody.name;
+				}
+			);
+
+		public static readonly VOID_DoubleValue orbitAltitude =
+			new VOID_DoubleValue(
+				"Altitude (ASL)",
+				new Func<double>(() => core.vessel.orbit.altitude),
+				"m"
+			);
+
+		public static readonly VOID_DoubleValue orbitVelocity =
+			new VOID_DoubleValue(
+				VOID_Localization.void_velocity,
+				new Func<double>(() => core.vessel.orbit.vel.magnitude),
+				"m/s"
+			);
+
+		public static readonly VOID_DoubleValue orbitApoAlt =
+			new VOID_DoubleValue(
+				VOID_Localization.void_apoapsis,
+				new Func<double>(() => core.vessel.orbit.ApA),
+				"m"
+			);
+
+		public static readonly VOID_DoubleValue oribtPeriAlt =
+			new VOID_DoubleValue(
+				VOID_Localization.void_periapsis,
+				new Func<double>(() => core.vessel.orbit.PeA),
+				"m"
+			);
+
+		public static readonly VOID_StrValue timeToApo =
+			new VOID_StrValue(
+				"Time to Apoapsis",
+				new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.timeToAp))
+			);
+
+		public static readonly VOID_StrValue timeToPeri =
+			new VOID_StrValue(
+				"Time to Periapsis",
+				new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.timeToPe))
+			);
+
+		public static readonly VOID_DoubleValue orbitInclination =
+			new VOID_DoubleValue(
+				"Inclination",
+				new Func<double>(() => core.vessel.orbit.inclination),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue gravityAccel =
+			new VOID_DoubleValue(
+				"Gravity",
+				delegate()
+				{
+					double orbitRadius = core.vessel.mainBody.Radius +
+					                   core.vessel.mainBody.GetAltitude(core.vessel.findWorldCenterOfMass());
+					return (VOID_Core.Constant_G * core.vessel.mainBody.Mass) /
+					(orbitRadius * orbitRadius);
+				},
+				"m/s²"
+			);
+
+		public static readonly VOID_StrValue orbitPeriod =
+			new VOID_StrValue(
+				"Period",
+				new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.period))
+			);
+
+		public static readonly VOID_DoubleValue semiMajorAxis =
+			new VOID_DoubleValue(
+				"Semi-Major Axis",
+				new Func<double>(() => core.vessel.orbit.semiMajorAxis),
+				"m"
+			);
+
+		public static readonly VOID_DoubleValue eccentricity =
+			new VOID_DoubleValue(
+				"Eccentricity",
+				new Func<double>(() => core.vessel.orbit.eccentricity),
+				""
+			);
+
+		public static readonly VOID_DoubleValue meanAnomaly =
+			new VOID_DoubleValue(
+				"Mean Anomaly",
+				new Func<double>(() => core.vessel.orbit.meanAnomaly * 180d / Math.PI),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue trueAnomaly = 
+			new VOID_DoubleValue(
+				"True Anomaly",
+				new Func<double>(() => core.vessel.orbit.trueAnomaly),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue eccAnomaly =
+			new VOID_DoubleValue(
+				"Eccentric Anomaly",
+				new Func<double>(() => core.vessel.orbit.eccentricAnomaly * 180d / Math.PI),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue longitudeAscNode =
+			new VOID_DoubleValue(
+				"Long. Ascending Node",
+				new Func<double>(() => core.vessel.orbit.LAN),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue argumentPeriapsis =
+			new VOID_DoubleValue(
+				"Argument of Periapsis",
+				new Func<double>(() => core.vessel.orbit.argumentOfPeriapsis),
+				"°"
+			);
+
+		public static readonly VOID_DoubleValue localSiderealLongitude =
+			new VOID_DoubleValue(
+				"Local Sidereal Longitude",
+				new Func<double>(() => VOID_Tools.FixDegreeDomain(
+						core.vessel.longitude + core.vessel.orbit.referenceBody.rotationAngle)),
+				"°"
+			);
+
+		#endregion
+
+		#region Science
+
+		public static readonly VOID_StrValue expSituation =
+			new VOID_StrValue(
+				"Situation",
+				new Func<string>(() => core.vessel.GetExperimentSituation().HumanString())
+			);
+
+		public static readonly VOID_StrValue currBiome =
+			new VOID_StrValue(
+				"Biome",
+				new Func<string>(() => VOID_Tools.GetBiome(core.vessel).name)
+			);
+
+		#endregion
+
+		#region Surface
+
+		public static readonly VOID_DoubleValue terrainElevation =
+			new VOID_DoubleValue(
+				"Terrain elevation",
+				new Func<double>(() => core.vessel.terrainAltitude),
+				"m"
+			);
+
+		#endregion
+
+		private static double burnTime(double deltaV, double initialMass, double massFlow, double thrust)
+		{
+			Tools.PostDebugMessage(typeof(VOID_Data), "calculating burnTime from:\n" +
+				"\tdeltaV: {0}\n" +
+				"\tinitialMass: {1}\n" +
+				"\tmassFlow: {2}\n" +
+				"\tthrust: {3}\n",
+				deltaV,
+				initialMass,
+				massFlow,
+				thrust
+			);
+			return initialMass / massFlow * (1d - Math.Exp(-deltaV * massFlow / thrust));
+		}
+	}
+}
+
+

--- a/VOID_HUD.cs
+++ b/VOID_HUD.cs
@@ -118,7 +118,7 @@
 
 			leftHUD = new StringBuilder();
 
-			this.core.LabelStyles["hud"].alignment = TextAnchor.UpperRight;
+			VOID_Styles.labelHud.alignment = TextAnchor.UpperRight;
 
 			if (this.core.powerAvailable)
 			{
@@ -145,11 +145,11 @@
 			}
 			else
 			{
-				this.core.LabelStyles["hud"].normal.textColor = Color.red;
+				VOID_Styles.labelHud.normal.textColor = Color.red;
 				leftHUD.Append(string.Intern("-- POWER LOST --"));
 			}
 
-			GUILayout.Label(leftHUD.ToString(), this.core.LabelStyles["hud"], GUILayout.ExpandWidth(true));
+			GUILayout.Label(leftHUD.ToString(), VOID_Styles.labelHud, GUILayout.ExpandWidth(true));
 
 			if (!this.positionsLocked)
 			{
@@ -165,7 +165,7 @@
 
 			rightHUD = new StringBuilder();
 
-			this.core.LabelStyles["hud"].alignment = TextAnchor.UpperLeft;
+			VOID_Styles.labelHud.alignment = TextAnchor.UpperLeft;
 
 			if (this.core.powerAvailable)
 			{
@@ -205,12 +205,12 @@
 			}
 			else
 			{
-				this.core.LabelStyles["hud"].normal.textColor = Color.red;
+				VOID_Styles.labelHud.normal.textColor = Color.red;
 				rightHUD.Append(string.Intern("-- POWER LOST --"));
 			}
 
 
-			GUILayout.Label(rightHUD.ToString(), this.core.LabelStyles["hud"], GUILayout.ExpandWidth(true));
+			GUILayout.Label(rightHUD.ToString(), VOID_Styles.labelHud, GUILayout.ExpandWidth(true));
 
 			if (!this.positionsLocked)
 			{
@@ -222,12 +222,7 @@
 
 		public override void DrawGUI()
 		{
-			if (!this.core.LabelStyles.ContainsKey("hud"))
-			{
-				this.core.LabelStyles["hud"] = new GUIStyle(GUI.skin.label);
-			}
-
-			this.core.LabelStyles["hud"].normal.textColor = textColors [ColorIndex];
+			VOID_Styles.labelHud.normal.textColor = textColors [ColorIndex];
 
 			GUI.skin = this.core.Skin;
 
@@ -271,57 +266,5 @@
 				GUILayout.ExpandWidth(false));
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_StrValue expSituation = new VOID_StrValue(
-			"Situation",
-			new Func<string> (() => core.vessel.GetExperimentSituation().HumanString())
-		);
-
-		public static readonly VOID_DoubleValue vesselPitch = new VOID_DoubleValue(
-			"Pitch",
-			() => core.vessel.getSurfacePitch(),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue downrangeDistance = new VOID_DoubleValue(
-			"Downrange Distance",
-			delegate() {
-
-			if (core.vessel == null ||
-				Planetarium.fetch == null ||
-				core.vessel.mainBody != Planetarium.fetch.Home
-			)
-			{
-				return double.NaN;
-			}
-
-			double vesselLongitude = core.vessel.longitude * Math.PI / 180d;
-			double vesselLatitude = core.vessel.latitude * Math.PI / 180d;
-
-			const double kscLongitude = 285.442323427289 * Math.PI / 180d;
-			const double kscLatitude = -0.0972112860655246 * Math.PI / 180d;
-
-			double diffLon = vesselLongitude - kscLongitude;
-			double diffLat = vesselLatitude - kscLatitude;
-
-			double sinHalfDiffLat = Math.Sin(diffLat / 2d);
-			double sinHalfDiffLon = Math.Sin(diffLon / 2d);
-
-			double cosVesselLon = Math.Cos(vesselLongitude);
-			double cosKSCLon = Math.Cos(kscLongitude);
-
-			double haversine =
-				sinHalfDiffLat * sinHalfDiffLat +
-				cosVesselLon * cosKSCLon * sinHalfDiffLon * sinHalfDiffLon;
-
-			double arc = 2d * Math.Atan2(Math.Sqrt(haversine), Math.Sqrt(1d - haversine));
-
-			return core.vessel.mainBody.Radius * arc;
-		},
-			"m"
-		);
-	}
 }
 

--- a/VOID_HUDAdvanced.cs
+++ b/VOID_HUDAdvanced.cs
@@ -105,7 +105,7 @@
 
 			leftHUD = new StringBuilder();
 
-			this.core.LabelStyles["hud"].alignment = TextAnchor.UpperRight;
+			VOID_Styles.labelHud.alignment = TextAnchor.UpperRight;
 
 			if (this.core.powerAvailable)
 			{
@@ -144,11 +144,11 @@
 			}
 			else
 			{
-				this.core.LabelStyles["hud"].normal.textColor = Color.red;
+				VOID_Styles.labelHud.normal.textColor = Color.red;
 				leftHUD.Append(string.Intern("-- POWER LOST --"));
 			}
 
-			GUILayout.Label(leftHUD.ToString(), this.core.LabelStyles["hud"], GUILayout.ExpandWidth(true));
+			GUILayout.Label(leftHUD.ToString(), VOID_Styles.labelHud, GUILayout.ExpandWidth(true));
 
 			if (!this.positionsLocked)
 			{
@@ -164,7 +164,7 @@
 
 			rightHUD = new StringBuilder();
 
-			this.core.LabelStyles["hud"].alignment = TextAnchor.UpperLeft;
+			VOID_Styles.labelHud.alignment = TextAnchor.UpperLeft;
 
 			if (this.core.powerAvailable)
 			{
@@ -203,11 +203,11 @@
 			}
 			else
 			{
-				this.core.LabelStyles["hud"].normal.textColor = Color.red;
+				VOID_Styles.labelHud.normal.textColor = Color.red;
 				rightHUD.Append(string.Intern("-- POWER LOST --"));
 			}
 
-			GUILayout.Label(rightHUD.ToString(), this.core.LabelStyles["hud"], GUILayout.ExpandWidth(true));
+			GUILayout.Label(rightHUD.ToString(), VOID_Styles.labelHud, GUILayout.ExpandWidth(true));
 
 			if (!this.positionsLocked)
 			{
@@ -264,410 +264,5 @@
 				GUILayout.ExpandWidth(false));
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static int upcomingManeuverNodes
-		{
-			get
-			{
-				if (core.vessel == null ||
-					core.vessel.patchedConicSolver == null ||
-					core.vessel.patchedConicSolver.maneuverNodes == null
-				)
-				{
-					return 0;
-				}
-
-				return core.vessel.patchedConicSolver.maneuverNodes.Count;
-			}
-		}
-
-		public static readonly VOID_Vector3dValue vesselThrustOffset = new VOID_Vector3dValue(
-			"Thrust Offset",
-			delegate()
-		{
-			if (core.vessel == null)
-			{
-				return Vector3d.zero;
-			}
-
-			List<PartModule> engineModules = core.vessel.getModulesOfType<PartModule>();
-
-			Vector3d thrustPos = Vector3d.zero;
-			Vector3d thrustDir = Vector3d.zero;
-			float thrust = 0;
-
-			foreach (PartModule engine in engineModules)
-			{
-				float moduleThrust = 0;
-
-				switch (engine.moduleName)
-				{
-					case "ModuleEngines":
-					case "ModuleEnginesFX":
-						break;
-					default:
-						continue;
-				}
-
-				if (!engine.isEnabled)
-				{
-					continue;
-				}
-
-				CenterOfThrustQuery cotQuery = new CenterOfThrustQuery();
-
-				if (engine is ModuleEngines)
-				{
-					ModuleEngines engineModule = engine as ModuleEngines;
-
-					moduleThrust = engineModule.finalThrust;
-
-					engineModule.OnCenterOfThrustQuery(cotQuery);
-				}
-				else // engine is ModuleEnginesFX
-				{
-					ModuleEnginesFX engineFXModule = engine as ModuleEnginesFX;
-
-					moduleThrust = engineFXModule.finalThrust;
-
-					engineFXModule.OnCenterOfThrustQuery(cotQuery);
-				}
-
-				if (moduleThrust != 0d)
-				{
-					cotQuery.thrust = moduleThrust;
-				}
-
-				thrustPos += cotQuery.pos * cotQuery.thrust;
-				thrustDir += cotQuery.dir * cotQuery.thrust;
-				thrust += cotQuery.thrust;
-			}
-
-			if (thrust != 0)
-			{
-				thrustPos /= thrust;
-				thrustDir /= thrust;
-			}
-
-			Transform vesselTransform = core.vessel.transform;
-
-			thrustPos = vesselTransform.InverseTransformPoint(thrustPos);
-			thrustDir = vesselTransform.InverseTransformDirection(thrustDir);
-
-			Vector3d thrustOffset = VectorTools.PointDistanceToLine(
-				thrustPos, thrustDir.normalized, core.vessel.findLocalCenterOfMass());
-
-			Tools.PostDebugMessage(typeof(VOID_Data), "vesselThrustOffset:\n" +
-				"\tthrustPos: {0}\n" +
-				"\tthrustDir: {1}\n" +
-				"\tthrustOffset: {2}\n" +
-				"\tvessel.CoM: {3}",
-				thrustPos,
-				thrustDir.normalized,
-				thrustOffset,
-				core.vessel.findWorldCenterOfMass()
-			);
-
-			return thrustOffset;
-		},
-			"m"
-		);
-
-		public static readonly VOID_DoubleValue vesselAccel = new VOID_DoubleValue(
-			"Acceleration",
-			() => geeForce * KerbinGee,
-			"m/s²"
-		);
-
-		public static readonly VOID_IntValue vesselCrewCount = new VOID_IntValue(
-			"Crew Onboard",
-			delegate()
-			{
-				if (core.vessel != null)
-				{
-					return core.vessel.GetCrewCount();
-				}
-				else
-				{
-					return 0;
-				}
-			},
-			""
-		);
-
-		public static readonly VOID_IntValue vesselCrewCapacity = new VOID_IntValue(
-			"Crew Capacity",
-			delegate()
-		{
-			if (core.vessel != null)
-			{
-				return core.vessel.GetCrewCapacity();
-			}
-			else
-			{
-				return 0;
-			}
-		},
-			""
-		);
-
-		public static readonly VOID_DoubleValue vesselAngularVelocity = new VOID_DoubleValue(
-			"Angular Velocity",
-			delegate()
-		{
-			if (core.vessel != null)
-			{
-				return core.vessel.angularVelocity.magnitude;
-			}
-			else
-			{
-				return double.NaN;
-			}
-		},
-			"rad/s"
-		);
-
-		public static readonly VOID_DoubleValue stageNominalThrust = new VOID_DoubleValue(
-			"Nominal Stage Thrust",
-			delegate()
-		{
-			if (core.LastStage == null)
-			{
-				return double.NaN;
-			}
-
-			if (core.LastStage.actualThrust == 0d)
-			{
-				return core.LastStage.thrust;
-			}
-			else
-			{
-				return core.LastStage.actualThrust;
-			}
-		},
-			"kN"
-		);
-
-		public static readonly VOID_DoubleValue stageMassFlow = new VOID_DoubleValue(
-			"Stage Mass Flow",
-			delegate()
-			{
-				if (core.LastStage == null)
-				{
-					return double.NaN;
-				}
-
-			double stageIsp = core.LastStage.isp;
-			double stageThrust = stageNominalThrust;
-
-			Tools.PostDebugMessage(typeof(VOID_Data), "calculating stageMassFlow from:\n" +
-				"\tstageIsp: {0}\n" +
-				"\tstageThrust: {1}\n" +
-				"\tKerbinGee: {2}\n",
-				stageIsp,
-				stageThrust,
-				KerbinGee
-			);
-
-				return stageThrust / (stageIsp * KerbinGee);
-			},
-			"Mg/s"
-		);
-
-		public static readonly VOID_DoubleValue currManeuverDeltaV = new VOID_DoubleValue(
-			"Current Maneuver Delta-V",
-			delegate()
-			{
-				if (upcomingManeuverNodes > 0)
-				{
-				return core.vessel.patchedConicSolver.maneuverNodes[0].DeltaV.magnitude;
-				}
-				else
-				{
-					return double.NaN;
-				}
-			},
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue currManeuverDVRemaining = new VOID_DoubleValue(
-			"Remaining Maneuver Delta-V",
-			delegate()
-			{
-				if (upcomingManeuverNodes > 0)
-				{
-					return core.vessel.patchedConicSolver.maneuverNodes[0].GetBurnVector(core.vessel.orbit).magnitude;
-				}
-				else
-				{
-					return double.NaN;
-				}
-			},
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue nextManeuverDeltaV = new VOID_DoubleValue(
-			"Current Maneuver Delta-V",
-			delegate()
-		{
-			if (upcomingManeuverNodes > 1)
-			{
-				return core.vessel.patchedConicSolver.maneuverNodes[1].DeltaV.magnitude;
-			}
-			else
-			{
-				return double.NaN;
-			}
-		},
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue currentNodeBurnDuration = new VOID_DoubleValue(
-			"Total Burn Time",
-			delegate()
-			{
-				if (core.LastStage == null || currManeuverDeltaV.Value == double.NaN)
-				{
-					return double.NaN;
-				}
-			    
-				double stageThrust = stageNominalThrust;
-
-				return burnTime(currManeuverDeltaV.Value, totalMass, stageMassFlow, stageThrust);
-			},
-			"s"
-		);
-
-		public static readonly VOID_DoubleValue currentNodeBurnRemaining = new VOID_DoubleValue(
-			"Burn Time Remaining",
-			delegate()
-			{
-				if (core.LastStage == null || currManeuverDVRemaining == double.NaN)
-				{
-					return double.NaN;
-				}
-
-				double stageThrust = stageNominalThrust;
-
-				return burnTime(currManeuverDVRemaining, totalMass, stageMassFlow, stageThrust);
-			},
-			"s"
-		);
-
-		public static readonly VOID_DoubleValue currentNodeHalfBurnDuration = new VOID_DoubleValue(
-			"Half Burn Time",
-			delegate()
-		{
-			if (core.LastStage == null || currManeuverDeltaV.Value == double.NaN)
-			{
-				return double.NaN;
-			}
-
-			double stageThrust = stageNominalThrust;
-
-			return burnTime(currManeuverDeltaV.Value / 2d, totalMass, stageMassFlow, stageThrust);
-		},
-			"s"
-		);
-
-		public static readonly VOID_StrValue burnTimeDoneAtNode = new VOID_StrValue(
-			"Full burn time to be half done at node",
-			delegate()
-		{
-			if (core.LastStage == null && upcomingManeuverNodes < 1)
-			{
-				return "N/A";
-			}
-
-			ManeuverNode node = core.vessel.patchedConicSolver.maneuverNodes[0];
-
-			if ((node.UT - Planetarium.GetUniversalTime()) < 0)
-			{
-				return string.Empty;
-			}
-
-			double interval = (node.UT - currentNodeBurnDuration) - Planetarium.GetUniversalTime();
-
-			if (double.IsNaN(interval))
-			{
-				return string.Intern("NaN");
-			}
-
-			int sign = Math.Sign(interval);
-			interval = Math.Abs(interval);
-
-			string format;
-
-			if (sign >= 0)
-			{
-				format = string.Intern("T - {0}");
-			}
-			else
-			{
-				format = string.Intern("T + {0}");
-			}
-
-			return string.Format(format, VOID_Tools.ConvertInterval(interval));
-		}
-		);
-
-		public static readonly VOID_StrValue burnTimeHalfDoneAtNode = new VOID_StrValue(
-			"Full burn time to be half done at node",
-			delegate()
-			{
-			if (core.LastStage == null && upcomingManeuverNodes < 1)
-			{
-				return "N/A";
-			}
-
-			ManeuverNode node = core.vessel.patchedConicSolver.maneuverNodes[0];
-
-			if ((node.UT - Planetarium.GetUniversalTime()) < 0)
-			{
-				return string.Empty;
-			}
-
-			double interval = (node.UT - currentNodeHalfBurnDuration) - Planetarium.GetUniversalTime();
-
-			if (double.IsNaN(interval))
-			{
-				return string.Intern("NaN");
-			}
-
-			int sign = Math.Sign(interval);
-			interval = Math.Abs(interval);
-
-			string format;
-
-			if (sign >= 0)
-			{
-				format = string.Intern("T - {0}");
-			}
-			else
-			{
-				format = string.Intern("T + {0}");
-			}
-
-			return string.Format(format, VOID_Tools.ConvertInterval(interval));
-			}
-		);
-
-		private static double burnTime(double deltaV, double initialMass, double massFlow, double thrust)
-		{
-			Tools.PostDebugMessage(typeof(VOID_Data), "calculating burnTime from:\n" +
-				"\tdeltaV: {0}\n" +
-				"\tinitialMass: {1}\n" +
-				"\tmassFlow: {2}\n" +
-				"\tthrust: {3}\n",
-				deltaV,
-				initialMass,
-				massFlow,
-				thrust
-			);
-			return initialMass / massFlow * (1d - Math.Exp(-deltaV * massFlow / thrust));
-		}
-	}
 }
 

--- a/VOID_Orbital.cs
+++ b/VOID_Orbital.cs
@@ -121,128 +121,6 @@
 			base._SaveToConfig (config);
 		}
 	}
-
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_StrValue primaryName = new VOID_StrValue (
-			VOID_Localization.void_primary,
-			delegate()
-		{
-			if (core.vessel == null)
-			{
-				return string.Empty;
-			}
-			return core.vessel.mainBody.name;
-		}
-		);
-
-		public static readonly VOID_DoubleValue orbitAltitude = new VOID_DoubleValue (
-			"Altitude (ASL)",
-			new Func<double> (() => core.vessel.orbit.altitude),
-			"m"
-		);
-
-		public static readonly VOID_DoubleValue orbitVelocity = new VOID_DoubleValue (
-			VOID_Localization.void_velocity,
-			new Func<double> (() => core.vessel.orbit.vel.magnitude),
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue orbitApoAlt = new VOID_DoubleValue(
-			VOID_Localization.void_apoapsis,
-			new Func<double>(() => core.vessel.orbit.ApA),
-			"m"
-		);
-
-		public static readonly VOID_DoubleValue oribtPeriAlt = new VOID_DoubleValue(
-			VOID_Localization.void_periapsis,
-			new Func<double>(() => core.vessel.orbit.PeA),
-			"m"
-		);
-
-		public static readonly VOID_StrValue timeToApo = new VOID_StrValue(
-			"Time to Apoapsis",
-			new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.timeToAp))
-		);
-
-		public static readonly VOID_StrValue timeToPeri = new VOID_StrValue(
-			"Time to Periapsis",
-			new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.timeToPe))
-		);
-
-		public static readonly VOID_DoubleValue orbitInclination = new VOID_DoubleValue(
-			"Inclination",
-			new Func<double>(() => core.vessel.orbit.inclination),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue gravityAccel = new VOID_DoubleValue(
-			"Gravity",
-			delegate()
-		{
-			double orbitRadius = core.vessel.mainBody.Radius +
-				core.vessel.mainBody.GetAltitude(core.vessel.findWorldCenterOfMass());
-			return (VOID_Core.Constant_G * core.vessel.mainBody.Mass) /
-				(orbitRadius * orbitRadius);
-		},
-			"m/s²"
-		);
-
-		public static readonly VOID_StrValue orbitPeriod = new VOID_StrValue(
-			"Period",
-			new Func<string>(() => VOID_Tools.ConvertInterval(core.vessel.orbit.period))
-		);
-
-		public static readonly VOID_DoubleValue semiMajorAxis = new VOID_DoubleValue(
-			"Semi-Major Axis",
-			new Func<double>(() => core.vessel.orbit.semiMajorAxis),
-			"m"
-		);
-
-		public static readonly VOID_DoubleValue eccentricity = new VOID_DoubleValue(
-			"Eccentricity",
-			new Func<double>(() => core.vessel.orbit.eccentricity),
-			""
-		);
-
-		public static readonly VOID_DoubleValue meanAnomaly = new VOID_DoubleValue(
-			"Mean Anomaly",
-			new Func<double>(() => core.vessel.orbit.meanAnomaly * 180d / Math.PI),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue trueAnomaly = new VOID_DoubleValue(
-			"True Anomaly",
-			new Func<double>(() => core.vessel.orbit.trueAnomaly),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue eccAnomaly = new VOID_DoubleValue(
-			"Eccentric Anomaly",
-			new Func<double>(() => core.vessel.orbit.eccentricAnomaly * 180d / Math.PI),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue longitudeAscNode = new VOID_DoubleValue(
-			"Long. Ascending Node",
-			new Func<double>(() => core.vessel.orbit.LAN),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue argumentPeriapsis = new VOID_DoubleValue(
-			"Argument of Periapsis",
-			new Func<double>(() => core.vessel.orbit.argumentOfPeriapsis),
-			"°"
-		);
-
-		public static readonly VOID_DoubleValue localSiderealLongitude = new VOID_DoubleValue(
-			"Local Sidereal Longitude",
-			new Func<double>(() => VOID_Tools.FixDegreeDomain(
-				core.vessel.longitude + core.vessel.orbit.referenceBody.rotationAngle)),
-			"°"
-		);
-	}
 }
 
 

--- a/VOID_StageInfo.cs
+++ b/VOID_StageInfo.cs
@@ -20,6 +20,7 @@
 		private Table.Column<int> stageNumberCol;
 		private Table.Column<double> stageDeltaVCol;
 		private Table.Column<double> stageTotalDVCol;
+		private Table.Column<double> stageInvertDVCol;
 		private Table.Column<double> stageMassCol;
 		private Table.Column<double> stageTotalMassCol;
 		private Table.Column<double> stageThrustCol;
@@ -58,6 +59,10 @@
 			this.stageTotalDVCol = new Table.Column<double>("Total ΔV [m/s]", 80f);
 			this.stageTotalDVCol.Format = "S2";
 			this.stageTable.Add(this.stageTotalDVCol);
+
+			this.stageInvertDVCol = new Table.Column<double>("Invert ΔV [m/s]", 80f);
+			this.stageTotalDVCol.Format = "S2";
+			this.stageTable.Add(this.stageInvertDVCol);
 
 			this.stageMassCol = new Table.Column<double>("Mass [Mg]", 80f);
 			this.stageMassCol.Format = "#.#";
@@ -127,6 +132,7 @@
 
 				this.stageDeltaVCol.Add(stage.deltaV);
 				this.stageTotalDVCol.Add(stage.totalDeltaV);
+				this.stageInvertDVCol.Add(stage.inverseTotalDeltaV);
 
 				this.stageMassCol.Add(stage.mass);
 				this.stageTotalMassCol.Add(stage.totalMass);      
@@ -177,6 +183,18 @@
 				GUILayout.EndHorizontal();
 			}
 
+			GUILayout.BeginHorizontal();
+
+			if (
+				GUILayout.Button("Engineering data powered by <i>VesselSimulator from KER</i>.",
+					VOID_Styles.labelLink)
+			)
+			{
+				Application.OpenURL("http://forum.kerbalspaceprogram.com/threads/18230");
+			}
+
+			GUILayout.EndHorizontal();
+
 			GUI.DragWindow();
 		}
 

--- a/VOID_Styles.cs
+++ b/VOID_Styles.cs
@@ -28,14 +28,6 @@
 
 using System;
 using UnityEngine;
-
-#if COMMENT
-this.LabelStyles["link"] = new GUIStyle(GUI.skin.label);
-this.LabelStyles["center"] = new GUIStyle(GUI.skin.label);
-this.LabelStyles["center_bold"] = new GUIStyle(GUI.skin.label);
-this.LabelStyles["right"] = new GUIStyle(GUI.skin.label);
-labelRed = new GUIStyle(GUI.skin.label);
-#endif
 
 namespace VOID
 {
@@ -71,6 +63,12 @@
 			private set;
 		}
 
+		public static GUIStyle labelHud
+		{
+			get;
+			private set;
+		}
+
 		public static GUIStyle labelRight
 		{
 			get;
@@ -100,6 +98,8 @@
 			labelCenterBold.alignment = TextAnchor.UpperCenter;
 			labelCenterBold.fontStyle = FontStyle.Bold;
 
+			labelHud = new GUIStyle(labelDefault);
+
 			labelRight = new GUIStyle(GUI.skin.label);
 			labelRight.normal.textColor = Color.white;
 			labelRight.alignment = TextAnchor.UpperRight;

--- a/VOID_SurfAtmo.cs
+++ b/VOID_SurfAtmo.cs
@@ -108,100 +108,4 @@
 			base._SaveToConfig (config);
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_DoubleValue trueAltitude = new VOID_DoubleValue(
-			"Altitude (true)",
-			delegate()
-			{
-				double alt_true = core.vessel.orbit.altitude - core.vessel.terrainAltitude;
-				// HACK: This assumes that on worlds with oceans, all water is fixed at 0 m,
-				// and water covers the whole surface at 0 m.
-				if (core.vessel.terrainAltitude < 0 && core.vessel.mainBody.ocean )
-					alt_true = core.vessel.orbit.altitude;
-				return alt_true;
-			},
-			"m"
-		);
-
-		public static readonly VOID_StrValue surfLatitude = new VOID_StrValue(
-			"Latitude",
-			new Func<string> (() => VOID_Tools.GetLatitudeString(core.vessel))
-		);
-
-		public static readonly VOID_StrValue surfLongitude = new VOID_StrValue(
-			"Longitude",
-			new Func<string> (() => VOID_Tools.GetLongitudeString(core.vessel))
-		);
-
-		public static readonly VOID_StrValue vesselHeading = new VOID_StrValue(
-			"Heading",
-			delegate()
-		{
-			double heading = core.vessel.getSurfaceHeading();
-			string cardinal = VOID_Tools.get_heading_text(heading);
-
-			return string.Format(
-				"{0}° {1}",
-				heading.ToString("F2"),
-				cardinal
-			);
-		}
-		);
-
-		public static readonly VOID_DoubleValue terrainElevation = new VOID_DoubleValue(
-			"Terrain elevation",
-			new Func<double> (() => core.vessel.terrainAltitude),
-			"m"
-		);
-
-		public static readonly VOID_DoubleValue surfVelocity = new VOID_DoubleValue(
-			"Surface velocity",
-			new Func<double> (() => core.vessel.srf_velocity.magnitude),
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue vertVelocity = new VOID_DoubleValue(
-			"Vertical speed",
-			new Func<double> (() => core.vessel.verticalSpeed),
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue horzVelocity = new VOID_DoubleValue(
-			"Horizontal speed",
-			new Func<double> (() => core.vessel.horizontalSrfSpeed),
-			"m/s"
-		);
-
-		public static readonly VOID_FloatValue temperature = new VOID_FloatValue(
-			"Temperature",
-			new Func<float> (() => core.vessel.flightIntegrator.getExternalTemperature()),
-			"°C"
-		);
-
-		public static readonly VOID_DoubleValue atmDensity = new VOID_DoubleValue (
-			"Atmosphere Density",
-			new Func<double> (() => core.vessel.atmDensity * 1000f),
-			"g/m³"
-		);
-
-		public static readonly VOID_DoubleValue atmPressure = new VOID_DoubleValue (
-			"Pressure",
-			new Func<double> (() => core.vessel.staticPressure),
-			"atm"
-		);
-
-		public static readonly VOID_FloatValue atmLimit = new VOID_FloatValue(
-			"Atmosphere Limit",
-			new Func<float> (() => core.vessel.mainBody.maxAtmosphereAltitude),
-			"m"
-		);
-
-		public static readonly VOID_StrValue currBiome = new VOID_StrValue(
-			"Biome",
-			new Func<string> (() => VOID_Tools.GetBiome(core.vessel).name)
-		);
-
-	}
 }

--- a/VOID_TWR.cs
+++ b/VOID_TWR.cs
@@ -64,23 +64,6 @@
 	}
 
 	public class VOID_EditorTWR : VOID_TWR, IVOID_EditorModule {}
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_DoubleValue nominalThrustWeight = new VOID_DoubleValue(
-			"Thrust-to-Weight Ratio",
-			delegate()
-		{
-			if (HighLogic.LoadedSceneIsEditor || currThrustWeight.Value == 0d)
-			{
-				return maxThrustWeight.Value;
-			}
-
-			return currThrustWeight.Value;
-		},
-			""
-		);
-	}
 }
 
 

--- a/VOID_VesselInfo.cs
+++ b/VOID_VesselInfo.cs
@@ -89,240 +89,5 @@
 			GUI.DragWindow();
 		}
 	}
-
-	public static partial class VOID_Data
-	{
-		public static readonly VOID_DoubleValue geeForce = new VOID_DoubleValue(
-			"G-force",
-			new Func<double>(() => core.vessel.geeForce),
-			"gees"
-		);
-
-		public static readonly VOID_IntValue partCount = new VOID_IntValue(
-			"Parts",
-			new Func<int>(() => core.vessel.Parts.Count),
-			""
-		);
-
-		public static readonly VOID_DoubleValue totalMass = new VOID_DoubleValue(
-			"Total Mass",
-			delegate()
-		{
-			if (core.Stages == null || core.LastStage == null)
-			{
-				return double.NaN;
-			}
-
-			return core.LastStage.totalMass;
-		},
-			"tons"
-		);
-
-		public static readonly VOID_DoubleValue resourceMass = new VOID_DoubleValue(
-			"Resource Mass",
-			delegate()
-			{
-				if (core.Stages == null || core.LastStage == null)
-				{
-					return double.NaN;
-				}
-
-				return core.LastStage.totalMass - core.LastStage.totalBaseMass;
-			},
-			"tons"
-		);
-
-		public static readonly VOID_DoubleValue stageResourceMass = new VOID_DoubleValue(
-			"Resource Mass (Stage)",
-			delegate()
-			{
-				if (core.LastStage == null)
-				{
-					return double.NaN;
-				}
-
-				return core.LastStage.mass - core.LastStage.baseMass;
-			},
-			"tons"
-		);
-
-		public static readonly VOID_StrValue comboResourceMass = new VOID_StrValue(
-			"Resource Mass (curr / total)",
-			delegate()
-		{
-			return string.Format("{0} / {1}",
-				stageResourceMass.ValueUnitString("F3"),
-				resourceMass.ValueUnitString("F3")
-			);
-		}
-		);
-
-		public static readonly VOID_DoubleValue stageDeltaV = new VOID_DoubleValue(
-			"DeltaV (Current Stage)",
-			delegate()
-			{
-			if (core.Stages == null || core.LastStage == null)
-					return double.NaN;
-				return core.LastStage.deltaV;
-			},
-			"m/s"
-		);
-
-		public static readonly VOID_DoubleValue totalDeltaV = new VOID_DoubleValue(
-			"DeltaV (Total)",
-			delegate()
-			{
-			if (core.Stages == null || core.LastStage == null)
-					return double.NaN;
-				return core.LastStage.totalDeltaV;
-			},
-			"m/s"
-		);
-
-		public static readonly VOID_FloatValue mainThrottle = new VOID_FloatValue(
-			"Throttle",
-			new Func<float>(() => core.vessel.ctrlState.mainThrottle * 100f),
-			"%"
-		);
-
-		public static readonly VOID_StrValue currmaxThrust = new VOID_StrValue(
-			"Thrust (curr/max)",
-			delegate()
-			{
-				if (core.Stages == null || core.LastStage == null)
-					return "N/A";
-
-				double currThrust = core.LastStage.actualThrust;
-				double maxThrust = core.LastStage.thrust;
-
-				return string.Format(
-					"{0} / {1}",
-					currThrust.ToString("F1"),
-					maxThrust.ToString("F1")
-				);
-			}
-		);
-
-		public static readonly VOID_DoubleValue currThrustWeight = new VOID_DoubleValue(
-			"T:W Ratio",
-			delegate()
-		{
-			if (core.LastStage == null)
-			{
-				return double.NaN;
-			}
-
-			return core.LastStage.actualThrustToWeight;
-		},
-			""
-		);
-
-		public static readonly VOID_DoubleValue maxThrustWeight = new VOID_DoubleValue(
-			"T:W Ratio",
-			delegate()
-		{
-			if (core.LastStage == null)
-			{
-				return double.NaN;
-			}
-
-			return core.LastStage.thrustToWeight;
-		},
-			""
-		);
-
-		public static readonly VOID_StrValue currmaxThrustWeight = new VOID_StrValue(
-			"T:W (curr/max)",
-			delegate()
-			{
-				if (core.Stages == null || core.LastStage == null)
-					return "N/A";
-
-				return string.Format(
-					"{0} / {1}",
-					(VOID_Data.currThrustWeight.Value).ToString("F2"),
-					(VOID_Data.maxThrustWeight.Value).ToString("F2")
-				);
-			}
-		);
-
-		public static readonly VOID_DoubleValue surfaceThrustWeight = new VOID_DoubleValue(
-			"Max T:W @ surface",
-			delegate()
-			{
-			if (core.Stages == null || core.LastStage == null)
-					return double.NaN;
-
-				double maxThrust = core.LastStage.thrust;
-				double mass = core.LastStage.totalMass;
-				double gravity = (VOID_Core.Constant_G * core.vessel.mainBody.Mass) /
-				(core.vessel.mainBody.Radius * core.vessel.mainBody.Radius);
-				double weight = mass * gravity;
-
-				return maxThrust / weight;
-			},
-			""
-		);
-
-		public static readonly VOID_StrValue intakeAirStatus = new VOID_StrValue(
-			"Intake Air (Curr / Req)",
-			delegate()
-			{
-				double currentAmount;
-				double currentRequirement;
-
-				currentAmount = 0d;
-				currentRequirement = 0d;
-
-				foreach (Part part in core.vessel.Parts)
-				{
-					if (part.enabled)
-					{
-						ModuleEngines engineModule;
-						ModuleEnginesFX enginesFXModule;
-						List<Propellant> propellantList = null;
-
-						if (part.tryGetFirstModuleOfType<ModuleEngines>(out engineModule))
-						{
-							propellantList = engineModule.propellants;
-						}
-						else if (part.tryGetFirstModuleOfType<ModuleEnginesFX>(out enginesFXModule))
-						{
-							propellantList = enginesFXModule.propellants;
-						}
-							
-						if (propellantList != null)
-						{
-							foreach (Propellant propellant in propellantList)
-							{
-								if (propellant.name == "IntakeAir")
-								{
-									currentRequirement += propellant.currentRequirement / TimeWarp.fixedDeltaTime;
-									break;
-								}
-							}
-						}
-					}
-
-					ModuleResourceIntake intakeModule;
-
-					if (part.enabled && part.tryGetFirstModuleOfType<ModuleResourceIntake>(out intakeModule))
-					{
-						if (intakeModule.resourceName == "IntakeAir")
-						{
-							currentAmount += intakeModule.airFlow;
-						}
-					}
-				}
-
-				if (currentAmount == 0 && currentRequirement == 0)
-				{
-					return "N/A";
-				}
-
-				return string.Format("{0:F3} / {1:F3}", currentAmount, currentRequirement);
-			}
-		);
-	}
 }