Thrust Profile (N)
0.94s Burn WindowEngineered by AeroTech, the D21T is a 18mm solid rocket motor designed for model rocketry. As an official D-class motor, it delivers a total impulse of 19.6 Ns over a 0.94 second burn window.
With an average thrust of 20.8 N and a peak of 32.1 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Blue Thunder propellant formulation, dictating its specific impulse and exhaust signature.
Technical Specifications
National Association of RocketryDiameter 18 mm
Length 70 mm
Hardware Single Use
Delays (s) 4,7
Specific Impulse 208 s
Peak Thrust 32.12 N
Peak Time T+ 0.029s
T/W Ratio 84.97
Propellant Blue Thunder
Profile regressive
Type SU
Sparky No
Mass Budget
25g TotalCasing (Dry)
15.4g
61.6%
Propellant
9.6g
38.4%
Live Sizing
Flight Envelope
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Comparable D-Class Alternatives
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