J Class Rocket Motor

AeroTech J520W

AeroTech
White Lightning
Ø 38mm
Total Impulse
671.3Ns
Burn Time
1.38s
Avg Thrust
487.4N
Max Thrust
902.7N

Thrust Profile (N)

1.38s Burn Window

Engineered by AeroTech, the J520W is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 671.3 Ns over a 1.38 second burn window.

With an average thrust of 487.4 N and a peak of 902.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 502 mm
Hardware RMS-38/1080
Delays (s) 5,7,9,11,13
Specific Impulse 179.6 s
Peak Thrust 892.23 N
Peak Time T+ 0.098s
T/W Ratio 65.6
Propellant White Lightning
Profile dual-peak
Type reload
Sparky No

Mass Budget

757.4g Total
Casing (Dry)
376.4g
49.7%
Propellant
381.0g
50.3%
Live Sizing
Flight Envelope

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