Motor specifications and performance data
| Manufacturer | Contrail Rockets |
| Common Name | H303 |
| Availability | regular |
| Impulse Class | H |
| Designation | H303-PVC |
| Maximum Thrust | 752.0N |
| Average Thrust | 283.0N |
| Total Impulse | 172.0Ns |
| Burn Time | 0.60s |
| Total Weight | 589.0g |
| Length | 508.0mm |
| Propellant Weight | 125.0g |
| Diameter | 38.0mm |
| Case | 48 20 F PVC (185CC) |
| Sparky Motor | false |
| Motor Type | hybrid |
| Delay Options | P |
Motor data sourced from ThrustCurve.org — the motor database for rocketry