J Class Rocket Motor

Gorilla J395RT

Gorilla Rocket Motors
Red Twister
Ø 54mm
Total Impulse
1026.0Ns
Burn Time
2.59s
Avg Thrust
395.0N
Max Thrust
460.2N

Thrust Profile (N)

2.59s Burn Window

Engineered by Gorilla Rocket Motors, the J395RT is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1026.0 Ns over a 2.59 second burn window.

With an average thrust of 395.0 N and a peak of 460.2 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Red Twister 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 199.6 s
Peak Thrust 460.16 N
Peak Time T+ 1s
T/W Ratio 34.71
Propellant Red Twister
Profile neutral
Type reload
Sparky No

Mass Budget

1160g Total
Casing (Dry)
636.0g
54.8%
Propellant
524.0g
45.2%
Live Sizing
Flight Envelope

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