Total Impulse
228.7Ns
Burn Time
1.69s
Avg Thrust
155.0N
Max Thrust
416.8N
Thrust Profile (N)
1.69s Burn WindowEngineered by Sky Ripper Systems, the H155 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 228.7 Ns over a 1.69 second burn window.
With an average thrust of 155.0 N and a peak of 416.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 38 mm
Length 533 mm
Hardware H 38/220
Delays (s) P
Specific Impulse 164.2 s
Peak Thrust 362.22 N
Peak Time T+ 0.05s
T/W Ratio 23.8
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
664g TotalCasing (Dry)
522.0g
78.6%
Propellant
142.0g
21.4%
Live Sizing
Flight Envelope
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Comparable H-Class Alternatives
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