7 downloads Unlisted


This is replica of a theroretical engine in development during the Constellation program. it was essentially a clean slate version of the J-2. it has 20s more of Isp and 200Kn more thrust. The powercycle and fuel is the same. The development for this engine stopped after the constellation program was cancelled.

PowerCycle: Gas generator
FuelMixture: HydroLOX
Thrust: 1,310 Kn
Isp Vac: 448s



  • Created On: Windows
  • Game Version:
  • Price: $68,380k
  • Number of Parts: 881
  • Dimensions: 46 m x 27 m x 37 m


  • Total Delta V: 380m/s
  • Total Thrust: 1.3MN
  • Engines: 1
  • Wet Mass: 1.03E+6kg
  • Dry Mass: 9.23E+5kg


Stage Engines Delta V Thrust Burn Mass
1 1 380m/s 1.3MN 4.8m 1.03E+6kg

Upvotes Disabled

This post is unlisted and upvoting is disabled.