J Class Rocket Motor

Contrail J234-BG

Contrail Rockets
Unknown
Ø 54mm
Total Impulse
1032.6Ns
Burn Time
4.30s
Avg Thrust
240.0N
Max Thrust
567.6N

Thrust Profile (N)

4.30s Burn Window

Engineered by Contrail Rockets, the J234-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 1032.6 Ns over a 4.30 second burn window.

With an average thrust of 240.0 N and a peak of 567.6 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 9122 mm
Hardware 54 36 S BG (910CC)
Delays (s) P
Specific Impulse 233.9 s
Peak Thrust 349.01 N
Peak Time T+ 0.503s
T/W Ratio 13.87
Propellant Standard
Profile neutral
Type hybrid
Sparky No

Mass Budget

1764g Total
Casing (Dry)
1314.0g
74.5%
Propellant
450.0g
25.5%
Live Sizing
Flight Envelope

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