J Class Rocket Motor

Gorilla J365BL

Gorilla Rocket Motors
Black Lightning
Ø 54mm
Total Impulse
852.5Ns
Burn Time
2.38s
Avg Thrust
364.9N
Max Thrust
498.7N

Thrust Profile (N)

2.38s Burn Window

Engineered by Gorilla Rocket Motors, the J365BL is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 852.5 Ns over a 2.38 second burn window.

With an average thrust of 364.9 N and a peak of 498.7 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Black Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 326 mm
Hardware 54/1050
Delays (s) P
Specific Impulse 174.5 s
Peak Thrust 498.4 N
Peak Time T+ 1.18s
T/W Ratio 30.9
Propellant Black Lightning
Profile neutral
Type reload
Sparky Yes

Mass Budget

1204g Total
Casing (Dry)
706.0g
58.6%
Propellant
498.0g
41.4%
Live Sizing
Flight Envelope

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