Engines Sprite


                 
                                        20K engine R-4

 

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp

 - - kN N*s/kg kN N*s/kg tons s t/s MN*s
6 pods  20K  engine (6) 544.5 2721 605.9 3030 26.40 132 0.2000 80.0
2  20K  engine     101.0 3030 26.40 132 0.0333 13.3
3  2. 3K engine     10.2 3167 1.14 350 0.0033 3.6