Total Impulse
0.6Ns
Burn Time
0.23s
Avg Thrust
2.5N
Max Thrust
5.4N
Thrust Profile (N)
0.23s Burn WindowEngineered by Apogee Components, the 1/4A2 is a 10.5mm solid rocket motor designed for model rocketry. As an official A-class motor, it delivers a total impulse of 0.6 Ns over a 0.23 second burn window.
With an average thrust of 2.5 N and a peak of 5.4 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
National Association of RocketryDiameter 10.5 mm
Length 38 mm
Hardware Single Use
Delays (s) 2,4
Specific Impulse 77.5 s
Peak Thrust 5.4 N
Peak Time T+ 0.106s
T/W Ratio —
Propellant Standard
Profile neutral
Type SU
Sparky No
Mass Budget Unavailable
Live Sizing
Flight Envelope
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Comparable A-Class Alternatives
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