J Class Rocket Motor

Contrail J416-SP

Contrail Rockets
Unknown
Ø 54mm
Total Impulse
1130.0Ns
Burn Time
2.75s
Avg Thrust
411.0N
Max Thrust
1038.3N

Thrust Profile (N)

2.75s Burn Window

Engineered by Contrail Rockets, the J416-SP is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1130.0 Ns over a 2.75 second burn window.

With an average thrust of 411.0 N and a peak of 1038.3 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 922 mm
Hardware Single Use
Delays (s) P
Specific Impulse —
Peak Thrust 787.39 N
Peak Time —
T/W Ratio 24.64
Propellant Standard
Profile regressive
Type hybrid
Sparky Yes
Mass Budget Unavailable
Live Sizing
Flight Envelope

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