J Class Rocket Motor

AMW 1025J475-P

Animal Motor Works
Black Bear
Ø 54mm
Total Impulse
1024.9Ns
Burn Time
2.15s
Avg Thrust
476.0N
Max Thrust
597.7N

Thrust Profile (N)

2.15s Burn Window

Engineered by Animal Motor Works, the 1025J475-P is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1024.9 Ns over a 2.15 second burn window.

With an average thrust of 476.0 N and a peak of 597.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Black Bear propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 54 mm
Length 326 mm
Hardware AMW 54-1050
Delays (s) P
Specific Impulse 144.5 s
Peak Thrust 613.62 N
Peak Time T+ 1.005s
T/W Ratio 34.41
Propellant Black Bear
Profile dual-peak
Type reload
Sparky No

Mass Budget

1410g Total
Casing (Dry)
687.0g
48.7%
Propellant
723.0g
51.3%
Live Sizing
Flight Envelope

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