H Class Rocket Motor

Contrail H248-PVC

Contrail Rockets
Unknown
Ø 38mm
Total Impulse
261.5Ns
Burn Time
1.06s
Avg Thrust
245.0N
Max Thrust
746.0N

Thrust Profile (N)

1.06s Burn Window

Engineered by Contrail Rockets, the H248-PVC is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 261.5 Ns over a 1.06 second burn window.

With an average thrust of 245.0 N and a peak of 746.0 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 719 mm
Hardware Single Use
Delays (s) P
Specific Impulse 144.9 s
Peak Thrust 698.03 N
Peak Time T+ 0.083s
T/W Ratio 31.46
Propellant Standard
Profile neutral
Type hybrid
Sparky No

Mass Budget

793.78g Total
Casing (Dry)
609.8g
76.8%
Propellant
184.0g
23.2%
Live Sizing
Flight Envelope

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