Add XLR99-RM-2A config, rename XLR99 configs for accuracy

KSP-RO · Sep 25, 2023 · 2752a38 · 2752a38
1 parent 71a3d8d
commit 2752a38
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Showing 2 changed files with 91 additions and 3 deletions.
diff --git a/GameData/RealismOverhaul/Engine_Configs/XLR99_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/XLR99_Config.cfg
@@ -19,6 +19,23 @@
 //	Nozzle Ratio: 9.8
 //	Ignitions: 6
 //	=================================================================================
+//	XLR99-RM-2A
+//	X-15A-3
+//
+//	Dry Mass: ??? Kg
+//	Thrust (SL): 202 kN
+//	Thrust (Vac): 224 kN
+//	ISP: 200 SL / 276 Vac // slightly inaccurate VAC; Highest ISP was 230 at 18,700ft
+//	Burn Time: 360
+//	Chamber Pressure: 4.13 MPa
+//	Propellant: LOX / Ammonia
+//	Prop Ratio: 1.25
+//	Throttle: 100% to 30%
+//	Nozzle Ratio: ???
+//	Ignitions: 6
+//	=================================================================================
+//
+//	==================================================
 
 //	Sources:
 
@@ -29,6 +46,7 @@
 //            History of Rockryty and Astronautics, American Astronautical Society History Series, Vol. 19
 //            X-15 Propulsion System, AIAA paper 97-2682
 //  [B] History of Liquid Propellant Rocket Engines, George P. Sutton, Page 314 Table 7.2-2
+//  http://www.astronautix.com/x/x-15a-3.html
 
 //	Used by:
 
@@ -61,11 +79,11 @@
 		name = ModuleEngineConfigs
 		type = ModuleEngines
 		modded = false
-		configuration = XLR99
+		configuration = XLR99-RM-2
 		origMass = 0.412
 		CONFIG
 		{
-			name = XLR99
+			name = XLR99-RM-2
 			specLevel = operational
 			minThrust = 67.2
 			maxThrust = 224
@@ -104,7 +122,71 @@
 
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				name = XLR99
+				name = XLR99-RM-2
+				ratedBurnTime = 3600		// "required overhaul after 1 hour of burn time"
+				ratedContinuousBurnTime = 180 // 180s rated burntime at full thrust
+				safeOverburn = true
+				overburnPenalty = 1		//No penalty
+
+				// assume roughly exponential relationship between chamber pressure and lifespan
+				thrustModifier
+				{
+					key = 0.00 0.05 0 0
+					key = 1.00 1.00 3 3
+				}
+
+				// static-fired for long periods between refurb.
+				ignitionReliabilityStart = 0.94
+				ignitionReliabilityEnd = 0.996 // pretty much all flights were successful, but ground tests failed
+				ignitionDynPresFailMultiplier = 10.0
+				cycleReliabilityStart = 0.94
+				cycleReliabilityEnd = 0.99 // very low chance early on, but 1% chance of failing after 2700s
+				reliabilityDataRateMultiplier = 20
+			}
+		}
+		CONFIG
+		{
+			name = XLR99-RM-2A
+			specLevel = concept
+			minThrust = 76.0
+			maxThrust = 253.4	//correct for increased expansion ratio
+			heatProduction = 100
+			massMult = 1.1	//idk, a little more for the nozzle extension
+			PROPELLANT
+			{
+				name = LqdAmmonia
+				ratio = 0.5652
+				DrawGauge = True
+			}
+			PROPELLANT
+			{
+				name = LqdOxygen
+				ratio = 0.4348
+			}
+			PROPELLANT
+			{
+				name = HTP
+				ratio = 0.01
+				ignoreForIsp = True
+				DrawGauge = False
+			}
+			atmosphereCurve
+			{
+				key = 0 276
+				key = 1 200
+			}
+			ullage = False
+			pressureFed = False
+			ignitions = 6
+			IGNITOR_RESOURCE
+			{
+				name = ElectricCharge
+				amount = 1.00
+			}
+
+			TESTFLIGHT:NEEDS[TestLite|TestFlight]
+			{
+				name = XLR99-RM-2
 				ratedBurnTime = 3600		// "required overhaul after 1 hour of burn time"
 				ratedContinuousBurnTime = 180 // 180s rated burntime at full thrust
 				safeOverburn = true
@@ -124,6 +206,7 @@
 				cycleReliabilityStart = 0.94
 				cycleReliabilityEnd = 0.99 // very low chance early on, but 1% chance of failing after 2700s
 				reliabilityDataRateMultiplier = 20
+				techTransfer = XLR99-RM-2:50
 			}
 		}
 	}

diff --git a/GameData/RealismOverhaul/UpgradeData.cfg b/GameData/RealismOverhaul/UpgradeData.cfg
@@ -15,4 +15,9 @@ ROMECCONFIGUPGRADES
 	{
 		SNTPPFE100 = SNTPPFE100-Hydrogen
 	}
+	17.4.3
+	{
+		XLR99 = XLR99-RM-2
+		XLR99A = XLR99-RM-2A
+	}
 }