Motor specifications and performance data
| Manufacturer | Loki Research |
| Common Name | J650 |
| Availability | regular |
| Impulse Class | J |
| Designation | J650-SF |
| Maximum Thrust | 974.0N |
| Average Thrust | 648.0N |
| Total Impulse | 942.0Ns |
| Burn Time | 1.45s |
| Total Weight | 1143.0g |
| Length | 625.0mm |
| Propellant Weight | 573.0g |
| Diameter | 38.0mm |
| Case | 38/1200 |
| Sparky Motor | true |
| Motor Type | reload |
| Propellant | Spitfire |
| Delay Options | P |
Motor data sourced from ThrustCurve.org — the motor database for rocketry