K Class Rocket Motor

Gorilla K980BL

Gorilla Rocket Motors
Black Lightning
Ø 54mm
Total Impulse
2123.0Ns
Burn Time
2.17s
Avg Thrust
981.0N
Max Thrust
1297.0N

Thrust Profile (N)

2.17s Burn Window

Engineered by Gorilla Rocket Motors, the K980BL is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2123.0 Ns over a 2.17 second burn window.

With an average thrust of 981.0 N and a peak of 1297.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Black Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 54 mm
Length 728 mm
Hardware 54/2550
Delays (s) P
Specific Impulse 175.9 s
Peak Thrust 1297.45 N
Peak Time T+ 0.75s
T/W Ratio 40.7
Propellant Black Lightning
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

2457g Total
Casing (Dry)
1227.0g
49.9%
Propellant
1230.0g
50.1%
Live Sizing
Flight Envelope

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