G Class Rocket Motor

Cesaroni 141G78-15A

Cesaroni Technology
Blue Streak
Ø 38mm
Total Impulse
140.9Ns
Burn Time
1.80s
Avg Thrust
78.4N
Max Thrust
137.3N

Thrust Profile (N)

1.80s Burn Window

Engineered by Cesaroni Technology, the 141G78-15A is a 38mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 140.9 Ns over a 1.80 second burn window.

With an average thrust of 78.4 N and a peak of 137.3 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Blue Streak propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 126 mm
Hardware Pro38-1G
Delays (s) 6,8,10,12,15
Specific Impulse 208.2 s
Peak Thrust 137.93 N
Peak Time T+ 0.018s
T/W Ratio 40.57
Propellant Blue Streak
Profile regressive
Type reload
Sparky No

Mass Budget

197g Total
Casing (Dry)
128.0g
65.0%
Propellant
69.0g
35.0%
Live Sizing
Flight Envelope

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