| Project Francis I |
| Type | Super Heavy Lift Launch Vehicle |
| Stage | 3 |
| Displacement | 3,000 t |
| Length | 110 m |
| Diameter | 10 m |
| Propellant | Kerosene Liquid Oxygen |
| Payload | 150 t (LEO) |
| First Stage |
| Engine | KE-5(SL) x 5 |
| Thrust | 35,490 kN |
| Propellant | RP-1 / LOX |
| Specific impulse | 270s |
| Burn Time | 170s |
| Second Stage |
| Engine | HE-2(V) x 5 |
| Thrust | 5,250 kN |
| Propellant | LH2 / LOX |
| Specific impulse | 425s |
| Burn Time | 360s |
| Third Stage |
| Engine | HE-2(V) x 1 |
| Thrust | 1,050 kN |
| Propellant | LH2 / LOX |
| Specific impulse | 425s |
| Burn Time | 165s + 335s 2번 점화 |
