Total Impulse
678.9Ns
Burn Time
1.91s
Avg Thrust
354.9N
Max Thrust
803.1N
Thrust Profile (N)
1.91s Burn WindowEngineered by Contrail Rockets, the J355-BG is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 678.9 Ns over a 1.91 second burn window.
With an average thrust of 354.9 N and a peak of 803.1 N, it features a dual-peak thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 54 mm
Length 719 mm
Hardware Single Use
Delays (s) P
Specific Impulse 153.8 s
Peak Thrust 562.42 N
Peak Time —
T/W Ratio 23.13
Propellant Standard
Profile dual-peak
Type hybrid
Sparky No
Mass Budget
1564g TotalCasing (Dry)
1114.0g
71.2%
Propellant
450.0g
28.8%
Live Sizing
Flight Envelope
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Comparable J-Class Alternatives
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699J145-19A
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J250W
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J90W
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