Total Impulse
304.5Ns
Burn Time
0.95s
Avg Thrust
321.0N
Max Thrust
966.0N
Thrust Profile (N)
0.95s Burn WindowEngineered by Contrail Rockets, the H340-SP is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 304.5 Ns over a 0.95 second burn window.
With an average thrust of 321.0 N and a peak of 966.0 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 719 mm
Hardware Single Use
Delays (s) P
Specific Impulse —
Peak Thrust 920.32 N
Peak Time —
T/W Ratio 40.1
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget Unavailable
Live Sizing
Flight Envelope
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Comparable H-Class Alternatives
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