K Class Rocket Motor

Gorilla K1185GT

Gorilla Rocket Motors
Green Tornado
Ø 54mm
Total Impulse
2460.0Ns
Burn Time
2.10s
Avg Thrust
1185.0N
Max Thrust
1379.5N

Thrust Profile (N)

2.10s Burn Window

Engineered by Gorilla Rocket Motors, the K1185GT is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2460.0 Ns over a 2.10 second burn window.

With an average thrust of 1185.0 N and a peak of 1379.5 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 728 mm
Hardware 54/2550
Delays (s) P
Specific Impulse 190.8 s
Peak Thrust 1379 N
Peak Time T+ 0.92s
T/W Ratio 47.54
Propellant Green Tornado
Profile neutral
Type reload
Sparky No

Mass Budget

2541g Total
Casing (Dry)
1227.0g
48.3%
Propellant
1314.0g
51.7%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

AMW

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dual-peak
Total: 1176 Ns
Ø 54mm

1281K360-13A

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K456DM

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835CC125J-K240

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SK-54-1750

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Total: 1300 Ns
Ø 54mm

K400C

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K
regressive
Total: 1304 Ns
Ø 54mm
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