Overview
This is the flight motor for Hermes Flight 1. The motor is almost identical to the second 4G 152mm OW static, but uses 8.5" long grains to increase propellant mass slightly. It was decided that this was reasonable deviation from the tested motor as it was only 3% more propellant.
Statistic | Value |
|---|---|
| Propellant Weight | Sam add this |
| Impulse | 32900 Ns |
| Max Pressure | Unknown |
| Classification | O-4300 |
| Delivered ISP | Sam add this |
| Grains | OW-152 #25-28 |
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Issues
Detail 1 - Gross Acreage Damage
Liner sustained damage during transit. Cause appears to be insufficient packaging.
Detail 2 - Nozzle End Damage
Slightly buckled and chipped phenolic.
Detail 3 - Head End Damage
Plys of the tube are buckled inwards and slightly laminated.
