K Class Rocket Motor

Gorilla K555GT

Gorilla Rocket Motors
Green Tornado
Ø 54mm
Total Impulse
1397.0Ns
Burn Time
2.51s
Avg Thrust
556.0N
Max Thrust
665.5N

Thrust Profile (N)

2.51s Burn Window

Engineered by Gorilla Rocket Motors, the K555GT is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1397.0 Ns over a 2.51 second burn window.

With an average thrust of 556.0 N and a peak of 665.5 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Green Tornado propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 401 mm
Hardware 54/1400
Delays (s) P
Specific Impulse 182.6 s
Peak Thrust 645.25 N
Peak Time T+ 0.9s
T/W Ratio 35.95
Propellant Green Tornado
Profile neutral
Type reload
Sparky No

Mass Budget

1576.54g Total
Casing (Dry)
796.5g
50.5%
Propellant
780.0g
49.5%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

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1281K360-13A

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835CC125J-K240

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SK-54-1750

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K400C

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