Total Impulse
928.0Ns
Burn Time
4.30s
Avg Thrust
216.0N
Max Thrust
786.0N
Thrust Profile (N)
4.30s Burn WindowEngineered by Contrail Rockets, the J222-HP is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 928.0 Ns over a 4.30 second burn window.
With an average thrust of 216.0 N and a peak of 786.0 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 1227 mm
Hardware 38 48 M HP (830CC)
Delays (s) P
Specific Impulse 860 s
Peak Thrust 547.47 N
Peak Time T+ 0.006s
T/W Ratio 21.11
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
1043g TotalCasing (Dry)
933.0g
89.5%
Propellant
110.0g
10.5%
Live Sizing
Flight Envelope
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Comparable J-Class Alternatives
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