From 36aad8fd0a8e2dbb4a4942524d6ce52adf8d45e5 Mon Sep 17 00:00:00 2001 From: Capkirk123 Date: Fri, 8 Mar 2024 23:57:18 -0500 Subject: [PATCH] J57-420 and J79-IAI Because I wanted to --- .../Jet_Engine_Configs/J57_Config.cfg | 64 +++++++++++++++++- .../Jet_Engine_Configs/J79_Config.cfg | 67 ++++++++++++++++++- 2 files changed, 127 insertions(+), 4 deletions(-) diff --git a/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J57_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J57_Config.cfg index 1ecc174ce3..8d10ef4107 100644 --- a/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J57_Config.cfg +++ b/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J57_Config.cfg @@ -151,6 +151,27 @@ // Exhaust Mixer: false // Adjustable Nozzle: true // ================================================================================= +// J57-P-420 +// 1967, F-8H/J, RF-8G +// +// Dry Mass: 2195 kg +// Thrust (Dry): 55.2 kN +// Thrust (Wet): 87.2 kN +// SFC (Dry): 0.87 lb/lbf-hr +// Area: 0.24 m^2 //Compressor Area +// BPR: 0.0 //Bypass Ratio +// CPR: 13.0 //Compressor Pressure Ratio +// FPR: 0.0 //Fan Ratio +// Mdes: 0.9 M //Mach Design Point +// Tdes: 250 K //Temp Design Point +// eta_n: 0.7 //Efficiency at afterburner rear / nozzle entrance +// FHV: 35000000 J //Fuel heat of burning +// TIT: 1330 K //Combustion peak temp +// TAB: 2556* K //Afterburner peak temp +// maxT3: 825 K //Turbine max temperature +// Exhaust Mixer: false +// Adjustable Nozzle: true +// ================================================================================= // Sources: @@ -158,6 +179,9 @@ // https://en.wikipedia.org/wiki/Pratt_%26_Whitney_J57 // https://www.thisdayinaviation.com/tag/pratt-whitney-jt3c-6/ // https://aircorpslibrary.com/jt3c-4-and-jt3c-6/ +// https://www.marvellouswings.com/Aircraft/Fighter/F-8/F-8.html +// https://www.aerosociety.com/media/8037/an-examination-of-the-f-8-crusader-through-archival-sources.pdf +// https://www.tapatalk.com/groups/warships1discussionboards/if-no-phantom-upgrade-what-to-operate-from-audacio-t31193.html // Used by: @@ -519,7 +543,7 @@ CONFIG { name = J57-P-20A - description = Ultimate afterburning J57, as used on the F-8E/J. Temperature Mach limit at 15 km: 2.5. + description = Afterburning J57, as used on the F-8E/J. Temperature Mach limit at 15 km: 2.5. massMult = 1.00 Area = 0.24 //Compressor Area @@ -547,6 +571,44 @@ drySFC = 0.77 throttleResponseMultiplier = 0.3 //60s double-spool, 0.3 + PROPELLANT + { + name = Kerosene + ratio = 1.0 + DrawGauge = True + } + } + CONFIG + { + name = J57-P-420 + description = Ultimate afterburning J57, remanufactured J57-P-20 as used on upgraded F-8H/J. Temperature Mach limit at 15 km: 2.58. + massMult = 1.0186 + + Area = 0.24 //Compressor Area + BPR = 0 //Bypass Ratio + CPR = 13.0 //Compressor Pressure Ratio + FPR = 0 //Fan Ratio + Mdes = 0.9 //Mach Design Point + Tdes = 250 //Temp Design Point + eta_c = 0.95 //Efficiency at burner inlet + eta_t = 0.98 //Efficiency at burner exit + eta_n = 0.7 //Efficiency at afterburner rear / nozzle entrance + FHV = 35000000 //Fuel heat of burning (joules?) + TIT = 1330 //Combustion peak temp + TAB = 2556 //Afterburner temp? + maxT3 = 850 //Turbine max temperature + exhaustMixer = False + adjustableNozzle = True + thrustUpperLimit = 170 + + // Engine fitting params + defaultTPR = 0.85 + dryThrust = 55.2 + wetThrust = 87.2 + maxThrust = 87.2 //Just to let MEC know thrust + drySFC = 0.87 + throttleResponseMultiplier = 0.3 //60s double-spool, 0.3 + PROPELLANT { name = Kerosene diff --git a/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J79_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J79_Config.cfg index a61eae0905..0e1c300fc1 100644 --- a/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J79_Config.cfg +++ b/GameData/RealismOverhaul/Engine_Configs/Jet_Engine_Configs/J79_Config.cfg @@ -198,7 +198,7 @@ // // Dry Mass: 1745 kg // Thrust (Dry): 53.60 kN -// Thrust (Wet): 82.29 kN +// Thrust (Wet): 83.29 kN // SFC (Dry): 0.834 lb/lbf-hr // Area: 0.29 m^2 //Compressor Area // BPR: 0.0 //Bypass Ratio @@ -214,11 +214,33 @@ // Exhaust Mixer: false // Adjustable Nozzle: true // ================================================================================= +// J79-IAI-J1E +// 1982, Kfir C.7 +// +// Dry Mass: 1740? kg +// Thrust (Dry): 49.4 kN +// Thrust (Wet): 83.4 kN +// SFC (Dry): 0.843? lb/lbf-hr +// Area: 0.29 m^2 //Compressor Area +// BPR: 0.0 //Bypass Ratio +// CPR: 12.2 //Compressor Pressure Ratio +// FPR: 0.0 //Fan Ratio +// Mdes: 0.9 M //Mach Design Point +// Tdes: 250 K //Temp Design Point +// eta_n: 0.7 //Efficiency at afterburner rear / nozzle entrance +// FHV: 28000000 J //Fuel heat of burning +// TIT: 1261? K //Combustion peak temp +// TAB: 2767* K //Afterburner peak temp +// maxT3: 850 K //Turbine max temperature +// Exhaust Mixer: false +// Adjustable Nozzle: true +// ================================================================================= // Sources: // http://www.leteckemotory.cz/motory/j79/ // https://www.jet-engine.net/miltfspec.htm +// http://paulcegelski.com/j79.html // Used by: @@ -641,11 +663,50 @@ // Engine fitting params defaultTPR = 0.85 dryThrust = 53.60 - wetThrust = 82.29 - maxThrust = 82.29 //Just to let MEC know thrust + wetThrust = 83.29 + maxThrust = 83.29 //Just to let MEC know thrust drySFC = 0.834 throttleResponseMultiplier = 0.60 + PROPELLANT + { + name = Kerosene + ratio = 1.0 + DrawGauge = True + } + } + CONFIG + { + name = J79-IAI-J1E + description = License-built J79, created by IAI for the Kfir C.7. Temperature Mach limit at 15 km: 2.75. + specLevel = operational + massMult = 1.1538 + + Area = 0.29 //Compressor Area + BPR = 0.0 //Bypass Ratio + CPR = 12.2 //Compressor Pressure Ratio + FPR = 0.0 //Fan Ratio + Mdes = 0.9 //Mach Design Point + Tdes = 250 //Temp Design Point + eta_c = 0.95 //Efficiency at burner inlet + eta_t = 0.98 //Efficiency at burner exit + eta_n = 0.7 //Efficiency at afterburner rear / nozzle entrance + FHV = 28000000 //Fuel heat of burning (joules?) + TIT = 1261 //Combustion peak temp + TAB = 2767 //Afterburner temp? + maxT3 = 850 //Turbine max temperature + exhaustMixer = False + adjustableNozzle = True + thrustUpperLimit = 160 + + // Engine fitting params + defaultTPR = 0.85 + dryThrust = 49.4 + wetThrust = 83.4 + maxThrust = 83.4 //Just to let MEC know thrust + drySFC = 0.843 + throttleResponseMultiplier = 0.60 + PROPELLANT { name = Kerosene