G Class Rocket Motor

Cesaroni 128G185-12A

Total Impulse
128.0Ns
Burn Time
0.69s
Avg Thrust
183.3N
Max Thrust
212.2N

Thrust Profile (N)

0.69s Burn Window

Engineered by Cesaroni Technology, the 128G185-12A is a 38mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 128.0 Ns over a 0.69 second burn window.

With an average thrust of 183.3 N and a peak of 212.2 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Vmax propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 127 mm
Hardware Pro38-1G
Delays (s) 3,5,7,9,12
Specific Impulse 210.1 s
Peak Thrust 205.03 N
Peak Time T+ 0.4s
T/W Ratio 99.18
Propellant Vmax
Profile dual-peak
Type reload
Sparky No

Mass Budget

188.4g Total
Casing (Dry)
126.3g
67.0%
Propellant
62.1g
33.0%
Live Sizing
Flight Envelope

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