L Class Rocket Motor

Gorilla L789RT

Gorilla Rocket Motors
Red Twister
Ø 75mm
Total Impulse
3251.8Ns
Burn Time
4.17s
Avg Thrust
789.0N
Max Thrust
996.3N

Thrust Profile (N)

4.17s Burn Window

Engineered by Gorilla Rocket Motors, the L789RT is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 3251.8 Ns over a 4.17 second burn window.

With an average thrust of 789.0 N and a peak of 996.3 N, it features a neutral thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Red Twister propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 497 mm
Hardware 75/3500
Delays (s) P
Specific Impulse 184.6 s
Peak Thrust 906 N
Peak Time T+ 2s
T/W Ratio 23.81
Propellant Red Twister
Profile neutral
Type reload
Sparky No

Mass Budget

3378g Total
Casing (Dry)
1582.0g
46.8%
Propellant
1796.0g
53.2%
Live Sizing
Flight Envelope

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