O Class Rocket Motor

Gorilla O2645BL

Gorilla Rocket Motors
Black Lightning
Ø 152mm
Total Impulse
24333.2Ns
Burn Time
9.18s
Avg Thrust
2645.0N
Max Thrust
3920.2N

Thrust Profile (N)

9.18s Burn Window

Engineered by Gorilla Rocket Motors, the O2645BL is a 152mm solid rocket motor designed for extreme high-power rocketry. As an official O-class motor, it delivers a total impulse of 24333.2 Ns over a 9.18 second burn window.

With an average thrust of 2645.0 N and a peak of 3920.2 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Black Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 152 mm
Length 1203 mm
Hardware 152/35000
Delays (s) P
Specific Impulse 163.7 s
Peak Thrust 3888.41 N
Peak Time T+ 4.318s
T/W Ratio 8.09
Propellant Black Lightning
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

33339g Total
Casing (Dry)
18190.0g
54.6%
Propellant
15149.0g
45.4%
Live Sizing
Flight Envelope

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