Motor Performance
Castor 120 |
|
| Propellant |
HTPB polymer, Class1.3 C |
| Propellant Configuration: |
Three machined aft conical slots,
formed forward slot |
| Average Thrust (vacuum): |
370,990 lbf
1650.2 kN |
| Chamber Pressure: (Pc) |
1,147 psia |
| Effective Isp (vacuum): |
280 sec |
| Burn Time |
82 sec |
| Total Impulse |
30,000,000 lbf-sec
133,447 kN-sec |
| Nozzle Area Ratio: |
|
| Gimbal Capability: |
5 degrees |
| Motor Loaded Mass: |
116,159 lb
52,694 kg |
| Maximum Propellant Load |
107,137 lb
48,596 kg |
| Motor Burnout Mass: |
|
Engine Size: Length
/ Width |
347 in / 93 in
881 cm / 236 cm |
| Flight Status |
Production |
| Mission(s): |
Athena (former LMLV) |
* Motor performance from
Thiokol product data sheet and web page.
|
