J Class Rocket Motor

Gorilla J450BL

Gorilla Rocket Motors
Black Lightning
Ø 54mm
Total Impulse
1120.8Ns
Burn Time
2.57s
Avg Thrust
442.5N
Max Thrust
601.8N

Thrust Profile (N)

2.57s Burn Window

Engineered by Gorilla Rocket Motors, the J450BL is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1120.8 Ns over a 2.57 second burn window.

With an average thrust of 442.5 N and a peak of 601.8 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 402 mm
Hardware 54/1400
Delays (s) P
Specific Impulse 173.6 s
Peak Thrust 601 N
Peak Time T+ 1.05s
T/W Ratio 31.01
Propellant Black Lightning
Profile neutral
Type reload
Sparky Yes

Mass Budget

1454.54g Total
Casing (Dry)
796.5g
54.8%
Propellant
658.0g
45.2%
Live Sizing
Flight Envelope

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