Total Impulse
142.0Ns
Burn Time
1.15s
Avg Thrust
123.0N
Max Thrust
413.0N
Thrust Profile (N)
1.15s Burn WindowEngineered by Contrail Rockets, the G123-HP is a 38mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 142.0 Ns over a 1.15 second burn window.
With an average thrust of 123.0 N and a peak of 413.0 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 38 mm
Length 406 mm
Hardware 38 16 S HP (140CC)
Delays (s) P
Specific Impulse 174.4 s
Peak Thrust 400 N
Peak Time T+ 0.007s
T/W Ratio 24.54
Propellant Standard
Profile neutral
Type hybrid
Sparky No
Mass Budget
511g TotalCasing (Dry)
428.0g
83.8%
Propellant
83.0g
16.2%
Live Sizing
Flight Envelope
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Comparable G-Class Alternatives
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