Total Impulse
737.8Ns
Burn Time
3.64s
Avg Thrust
330.0N
Max Thrust
660.7N
Thrust Profile (N)
3.64s Burn WindowEngineered by Ellis Mountain, the J330 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 737.8 Ns over a 3.64 second burn window.
With an average thrust of 330.0 N and a peak of 660.7 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 433 mm
Hardware 38X488.9 38X517(D)
Delays (s) 20,P
Specific Impulse 182.6 s
Peak Thrust 515.16 N
Peak Time T+ 0.169s
T/W Ratio 42.69
Propellant Standard
Profile regressive
Type reload
Sparky No
Mass Budget
788g TotalCasing (Dry)
376.1g
47.7%
Propellant
411.9g
52.3%
Live Sizing
Flight Envelope
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Comparable J-Class Alternatives
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