G Class Rocket Motor

Cesaroni 138G106-14A

Cesaroni Technology
Skidmark
Ø 29mm
Total Impulse
138.3Ns
Burn Time
1.31s
Avg Thrust
106.0N
Max Thrust
128.7N

Thrust Profile (N)

1.31s Burn Window

Engineered by Cesaroni Technology, the 138G106-14A is a 29mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 138.3 Ns over a 1.31 second burn window.

With an average thrust of 106.0 N and a peak of 128.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 187 mm
Hardware Pro29-3G
Delays (s) 5,7,9,11,14
Specific Impulse 188 s
Peak Thrust 131 N
Peak Time T+ 0.03s
T/W Ratio 57.78
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

187g Total
Casing (Dry)
112.0g
59.9%
Propellant
75.0g
40.1%
Live Sizing
Flight Envelope

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