| N.A.S.A. | Juno II | |||
|
Overall Vehicle |
Operational | from | 06.12.1958 | |
| to | 24.05.1961 | |||
| Orbital flights | 10 | |||
| Payload weight | t | HEEO | 0.050 | |
| Gross liftoff weight | t | 54.97 | ||
| Gross propellant weight | t | 50.22 | ||
| Total length | m | 23.19 | ||
| Max. diameter (span) | m | 2.67 | ||
| Total liftoff thrust (s.l.) | kN | 667.2 | ||
| Total impulse (vac) | MN*s | 138.7 | ||
|
Fairing |
Total length | m | 4.29 | |
| Diameter | m | 1.22 | ||
| Total weight | t | 0.04 | ||
|
Stage 4 |
Name | 1 | ||
| Length | m | 1.22 (1.07) | ||
| Diameter | m | 1.22 (0.15) | ||
| Liftoff weight | t | 0.027 | ||
| Propellant weight | t | 0.022 | ||
| Engines | Thiokol Sergeant | |||
| Propellant |
solid HTP |
|||
| Total thrust (vac) | kN |
8.0 |
||
| Specific impulse (vac) | N*s/kg | 2305 | ||
| Burn time | s | 7 | ||
| Total impulse (vac) | MN*s | 0.05 | ||
| Stage 3 |
Name |
3 | ||
| Length | m | 1.22 (1.07) | ||
| Diameter | m | 1.22 (0.41) | ||
| Liftoff weight | t | 0.094 | ||
| Propellant weight | t | 0.066 | ||
| Engines | Thiokol Sergeant | |||
| Propellant |
solid HTP |
|||
| Total thrust (vac) | kN | 24.0 | ||
| Specific impulse (vac) | N*s/kg | 2305 | ||
| Burn time | s | 7 | ||
| Total impulse (vac) | MN*s | 0.15 | ||
|
Stage 2 |
Name | 11 | ||
| Length | m | 1.07 (1.07) | ||
| Diameter | m | 1.22 (0.86) | ||
| Liftoff weight | t | 0.327 | ||
| Propellant weight | t | 0.237 | ||
| Engines | Thiokol Sergeant | |||
| Propellant |
solid HTP |
|||
| Total thrust (vac) | kN | 73.35 | ||
| Specific impulse (vac) | N*s/kg | 2157 | ||
| Burn time | s | 6.5 | ||
| Total impulse (vac) | MN*s | 0.51 | ||
|
Stage 1 |
Name | Rocketdyne S-3D | ||
| Length + adapter | m | 18.90 | ||
| Diameter | m | 2.67 | ||
| Liftoff weight | t | 54.43 | ||
| Propellant weight | t | 49.90 | ||
| Engines | LR-79-NA-9 | |||
| Propellant | Kerosene/LOX | |||
| Total thrust (s.l.) | kN | 667.2 | ||
| Specific impulse (s.l.) | N*s/kg | 2432 | ||
| Burn time | s | 182 | ||
| Total impulse (vac) | MN*s | 138.0 | ||