Total Impulse
237.0Ns
Burn Time
3.16s
Avg Thrust
72.0N
Max Thrust
171.0N
Thrust Profile (N)
3.16s Burn WindowEngineered by Propulsion Polymers, the 240NS-H70 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 237.0 Ns over a 3.16 second burn window.
With an average thrust of 72.0 N and a peak of 171.0 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Canadian Association of RocketryDiameter 38 mm
Length 464 mm
Hardware Single Use
Delays (s) P
Specific Impulse 75.9 s
Peak Thrust 170.9 N
Peak Time T+ 0.05s
T/W Ratio 11.71
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
626.6g TotalCasing (Dry)
308.3g
49.2%
Propellant
318.3g
50.8%
Live Sizing
Flight Envelope
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Comparable H-Class Alternatives
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