From ef162b7e84e421b46ce98d7b2ff8cea2bd81c78b Mon Sep 17 00:00:00 2001 From: Capkirk123 Date: Sat, 11 Jan 2025 19:24:40 -0500 Subject: [PATCH] Add Chinese RD-100 (#3031) --- .../Engine_Configs/A-4_Config.cfg | 2 +- .../Engine_Configs/RD100_Config.cfg | 99 +++++++++++++++++-- 2 files changed, 92 insertions(+), 9 deletions(-) diff --git a/GameData/RealismOverhaul/Engine_Configs/A-4_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/A-4_Config.cfg index 7559145003..92798d7494 100644 --- a/GameData/RealismOverhaul/Engine_Configs/A-4_Config.cfg +++ b/GameData/RealismOverhaul/Engine_Configs/A-4_Config.cfg @@ -38,7 +38,7 @@ // Sources: // Astronautix - A4: http://www.astronautix.com/engines/a4.htm -// alternatewars - German Engines: http://www.alternatewars.com/BBOW/Space_Engines/German_Engines.htm +// alternatewars - German Engines: https://web.archive.org/web/20200229064133/http://www.alternatewars.com/BBOW/Space_Engines/German_Engines.htm // [A] History of Liquid Propellant Rocket Engines, George P. Sutton, Page 746 Table 9-1 // Used by: diff --git a/GameData/RealismOverhaul/Engine_Configs/RD100_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/RD100_Config.cfg index 2a4079f635..f13eddcede 100644 --- a/GameData/RealismOverhaul/Engine_Configs/RD100_Config.cfg +++ b/GameData/RealismOverhaul/Engine_Configs/RD100_Config.cfg @@ -4,7 +4,7 @@ // Manufacturer: NPO Energomash (OKB-456) // // ================================================================================= -// RD-100 +// RD-100 (8D51) // R-1 // // Dry Mass: 885 Kg @@ -16,11 +16,11 @@ // Propellant: LOX / Ethanol75 // Prop Ratio: 1.28 // Throttle: N/A -// Nozzle Ratio: ??? +// Nozzle Ratio: 3.4? same as A-4 // Ignitions: 1 // ================================================================================= -// RD-101 -// R-2 +// RD-101 (8D52) +// R-2, 5D52 in DF-1 // // Dry Mass: 888 Kg // Thrust (SL): ??? kN @@ -31,7 +31,7 @@ // Propellant: LOX / Ethanol90 // Prop Ratio: 1.45 // Throttle: N/A -// Nozzle Ratio: ??? +// Nozzle Ratio: 3.4? same as A-4 // Ignitions: 1 // ================================================================================= // RD-102 @@ -46,10 +46,10 @@ // Propellant: LOX / Ethanol90 // Prop Ratio: ??? // Throttle: N/A -// Nozzle Ratio: ??? +// Nozzle Ratio: ??? same as A-4 // Ignitions: 1 // ================================================================================= -// RD-103 +// RD-103 (8D54) // R-5 // // Dry Mass: 870 Kg @@ -64,7 +64,7 @@ // Nozzle Ratio: ??? // Ignitions: 1 // ================================================================================= -// RD-103M +// RD-103M (8D71) // R-5M // // Dry Mass: 867 Kg @@ -79,6 +79,21 @@ // Nozzle Ratio: ??? // Ignitions: 1 // ================================================================================= +// 5D60 +// DF-2A +// +// Dry Mass: 850? kg reduced dry mass +// Thrust (SL): ??? kN +// Thrust (Vac): 465.82 kN 47.5 ton-force +// ISP: 220 SL / 248 Vac same as RD-103? +// Burn Time: 130 +// Chamber Pressure: 2.39 MPa +// Propellant: LOX / Ethanol90 +// Prop Ratio: 1.45? +// Throttle: N/A +// Nozzle Ratio: ??? +// Ignitions: 1 +// ================================================================================= // Sources: @@ -94,6 +109,8 @@ // Encyclopedia Astronautica - RD-102 engine: http://astronautix.com/r/rd-102.html // Encyclopedia Astronautica - RD-103 engine: http://astronautix.com/r/rd-103.html // Encyclopedia Astronautica - RD-103M engine: http://astronautix.com/r/rd-103m.html +// SinoDefence - DongFeng 2: https://web.archive.org/web/20151127074427/http://sinodefence.com/2015/07/28/df2-css1/ + // Used by: @@ -146,6 +163,7 @@ CONFIG { name = RD-100 + description = 8D51, Soviet derivative of the A-4/Model 39 for the R-1 missile, with simplified construction and increased thrust. specLevel = operational minThrust = 307.0 maxThrust = 307.0 @@ -205,6 +223,7 @@ CONFIG { name = RD-101 + description = 8D52, improved RD-100 for the R-2 missile. Also built under license in China as the 5D52 for the DF-1 missile. specLevel = operational minThrust = 404.0 maxThrust = 404.0 @@ -264,6 +283,7 @@ CONFIG { name = RD-102 + description = Improved RD-101, developed for the R-3A missile. Cancelled due to changing priorities in Soviet missile development. specLevel = prototype minThrust = 428.0 maxThrust = 428.0 @@ -323,6 +343,7 @@ CONFIG { name = RD-103 + description = 8D54, improved RD-101, developed for the R-5 missile. specLevel = operational minThrust = 490.33 maxThrust = 490.33 @@ -381,6 +402,7 @@ CONFIG { name = RD-103M + description = 8D71, mass production version of the RD-103. specLevel = operational minThrust = 500.14 maxThrust = 500.14 @@ -436,5 +458,66 @@ reliabilityDataRateMultiplier = 1 } } + + CONFIG + { + name = 5D60 + description = Chinese derivative of the RD-101/5D52 for the DF-2A missile, developed after the Sino-Soviet split led to Soviet technical assistance being withdrawn. + specLevel = operational + minThrust = 465.82 + maxThrust = 465.82 + heatProduction = 45 + massMult = 0.9572 + ullage = True + pressureFed = False + ignitions = 0 + + IGNITOR_RESOURCE + { + name = ElectricCharge + amount = 0.5 + } + + PROPELLANT + { + name = Ethanol90 + ratio = 0.4945 + DrawGauge = True + } + + PROPELLANT + { + name = LqdOxygen + ratio = 0.5055 + DrawGauge = False + } + + PROPELLANT + { + name = HTP + ratio = 0.01 + ignoreForIsp = True + DrawGauge = False + } + + atmosphereCurve + { + key = 0 248 + key = 1 220 + } + + //DF-2A R&D: 7 flights, 1 failure + TESTFLIGHT:NEEDS[TestLite|TestFlight] + { + ratedBurnTime = 130 + ignitionReliabilityStart = 0.84 + ignitionReliabilityEnd = 0.956250 + ignitionDynPresFailMultiplier = 2.0 + cycleReliabilityStart = 0.84 + cycleReliabilityEnd = 0.956250 + techTransfer = RD-100:50&A-4:25 + reliabilityDataRateMultiplier = 1 + } + } } }