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Remove restart penalties from IRFNA-III Agenas #3048

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Mar 9, 2025
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Remove restart penalties from IRFNA-III Agenas #3048

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31 changes: 8 additions & 23 deletions GameData/RealismOverhaul/Engine_Configs/Agena_XLR81_Config.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -205,10 +205,11 @@
// (5) AlternateWars Bell/Textron rocket engines - http://www.alternatewars.com/BBOW/Space_Engines/BellTextron_Engines.htm
// (6) NASA 19740024172 Reusable Agena Study Final Report (Technical Volume II) - http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740024172.pdf
// (7) AIAA DESIGN AND TEST RESULTS ON AGENA 2000 - https://www.pdf-archive.com/2017/05/31/design-and-test-results-on-agena-2000/design-and-test-results-on-agena-2000.pdf
// (8) https://arc.aiaa.org/doi/abs/10.2514/3.62175?journalCode=jsr
// [A] History of Liquid Propellant Rocket Engines, George P. Sutton, Page 519 Table 7.11-2
// (8) Agena Primary and Integrated Secondary Propulsion Systems - https://arc.aiaa.org/doi/abs/10.2514/3.62175?journalCode=jsr
// (9) Agena restart simulation by turbopump testing - https://arc.aiaa.org/doi/abs/10.2514/6.1975-1274
// [A] History of Liquid Propellant Rocket Engines, George P. Sutton, Page 519 Table 7.11-2
// [B] X-15 Extending the Frontiers of Flight, Dennis R. Jenkins
// https://ntrs.nasa.gov/api/citations/20080008340/downloads/20080008340.pdf
// https://ntrs.nasa.gov/api/citations/20080008340/downloads/20080008340.pdf

// Used by:

Expand Down Expand Up @@ -473,7 +474,7 @@
CONFIG
{
name = XLR81-BA-7
description = Model 8081, Agena B. Cannot restart between 15 minutes and 3 hours after shutdown.
description = Model 8081, Agena B.
specLevel = operational
maxThrust = 70.7
minThrust = 70.7
Expand Down Expand Up @@ -518,14 +519,6 @@
testedBurnTime = 480
ratedBurnTime = 240 //Ran to 640 seconds during HDA tests with no damage
safeOverburn = true
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in turbopumps
{
key = 0 1 0 0
key = 900 1 0 0 //sharp drop after 15 minutes
key = 1800 0 0 0
key = 8874 0.5025576 0.0002037228 0.0002375458 //gentle slope back up as pumps cool down
key = 10800 1 0 0
}
ignitionReliabilityStart = 0.944823
ignitionReliabilityEnd = 0.991288
ignitionDynPresFailMultiplier = 0.1
Expand All @@ -539,7 +532,7 @@
CONFIG
{
name = XLR81-BA-11
description = Model 8096, Agena D. Cannot restart between 15 minutes and 3 hours after shutdown.
description = Model 8096, Agena D.
specLevel = operational
maxThrust = 71.17
minThrust = 71.17
Expand Down Expand Up @@ -612,14 +605,6 @@
testedBurnTime = 640
ratedBurnTime = 240 //Ran to 640 seconds during HDA tests with no damage
safeOverburn = true
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in turbopumps
{
key = 0 1 0 0
key = 900 1 0 0 //sharp drop after 15 minutes
key = 1800 0 0 0
key = 8874 0.5025576 0.0002037228 0.0002375458 //gentle slope back up as pumps cool down
key = 10800 1 0 0
}
ignitionReliabilityStart = 0.985433
ignitionReliabilityEnd = 0.997700
ignitionDynPresFailMultiplier = 0.1
Expand Down Expand Up @@ -687,7 +672,7 @@
testedBurnTime = 640
ratedBurnTime = 240 //Ran to 640 seconds during HDA tests with no damage
safeOverburn = true
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in turbopumps
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in oxidizer pump (9)
{
key = 0 1 0 0
key = 900 1 0 0 //sharp drop after 15 minutes
Expand Down Expand Up @@ -758,7 +743,7 @@
testedBurnTime = 640
ratedBurnTime = 240 //Ran to 640 seconds during HDA tests with no damage
safeOverburn = true
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in turbopumps
restartWindowPenalty //cannot restart between 15 minutes and 3 hours due to heatsoak in oxidizer pump (9)
{
key = 0 1 0 0
key = 900 1 0 0 //sharp drop after 15 minutes
Expand Down
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