J Class Rocket Motor

AeroTech J550ST-14

AeroTech
Super Thunder
Ø 54mm
Total Impulse
732.0Ns
Burn Time
1.31s
Avg Thrust
557.0N
Max Thrust
649.0N

Thrust Profile (N)

1.31s Burn Window

Engineered by AeroTech, the J550ST-14 is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 732.0 Ns over a 1.31 second burn window.

With an average thrust of 557.0 N and a peak of 649.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Super Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 231 mm
Hardware RMS-54/852
Delays (s) 14
Specific Impulse 201.1 s
Peak Thrust 610.49 N
Peak Time T+ 0.708s
T/W Ratio 68.57
Propellant Super Thunder
Profile dual-peak
Type reload
Sparky No

Mass Budget

828g Total
Casing (Dry)
457.0g
55.2%
Propellant
371.0g
44.8%
Live Sizing
Flight Envelope

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