Project Francis II |
Type | Super Heavy Lift Launch Vehicle |
Stage | 4 |
Displacement | 6,250 t |
Length | 140 m |
Diameter | 12.5 m |
Propellant | Kerosene Liquid Oxygen |
Payload | 250 t (LEO) |
First Stage |
Engine | KE-5A(SL) x 9 |
Thrust | 90,000 kN |
Propellant | RP-1 / LOX |
Specific impulse | 270s |
Burn Time | 50s |
Second Stage |
Engine | KE-5A(V) x 5 |
Thrust | 50,000 kN |
Propellant | RP-1 / LOX |
Specific impulse | 270s |
Burn Time | 125s |
Third Stage |
Engine | HE-3(V) x 5 |
Thrust | 12,500 kN |
Propellant | LH2 / LOX |
Specific impulse | 460s |
Burn Time | 360s |
Forth Stage |
Engine | NERVA-1(V) x 1 |
Thrust | 540 kN |
Propellant | LH2 / Nuke |
Specific impulse | 800s |
Burn Time | 1250s |