Total Impulse
161.0Ns
Burn Time
0.70s
Avg Thrust
225.0N
Max Thrust
619.0N
Thrust Profile (N)
0.70s Burn WindowEngineered by Contrail Rockets, the H222-HP is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 161.0 Ns over a 0.70 second burn window.
With an average thrust of 225.0 N and a peak of 619.0 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 407 mm
Hardware 38 16 M HP (140CC)
Delays (s) P
Specific Impulse 746 s
Peak Thrust 684.34 N
Peak Time —
T/W Ratio 44.11
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
520g TotalCasing (Dry)
498.0g
95.8%
Propellant
22.0g
4.2%
Live Sizing
Flight Envelope
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