Total Impulse
222.0Ns
Burn Time
0.90s
Avg Thrust
238.0N
Max Thrust
653.0N
Thrust Profile (N)
0.90s Burn WindowEngineered by Contrail Rockets, the H246-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 222.0 Ns over a 0.90 second burn window.
With an average thrust of 238.0 N and a peak of 653.0 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 508 mm
Hardware 38 20 M HP (185CC)
Delays (s) P
Specific Impulse 205.7 s
Peak Thrust 609.06 N
Peak Time T+ 0.001s
T/W Ratio 40.57
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
598g TotalCasing (Dry)
488.0g
81.6%
Propellant
110.0g
18.4%
Live Sizing
Flight Envelope
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