D Class Rocket Motor

Quest D5

Quest Aerospace
black powder
Ø 20mm
Total Impulse
17.6Ns
Burn Time
4.61s
Avg Thrust
3.8N
Max Thrust
16.8N

Thrust Profile (N)

4.61s Burn Window

Engineered by Quest Aerospace, the D5 is a 20mm solid rocket motor designed for model rocketry. As an official D-class motor, it delivers a total impulse of 17.6 Ns over a 4.61 second burn window.

With an average thrust of 3.8 N and a peak of 16.8 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the black powder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 20 mm
Length 96 mm
Hardware Single Use
Delays (s) 4,6
Specific Impulse 74.8 s
Peak Thrust 16.8 N
Peak Time T+ 0.448s
T/W Ratio 8.83
Propellant black powder
Profile neutral
Type SU
Sparky No

Mass Budget

44.1g Total
Casing (Dry)
20.1g
45.6%
Propellant
24.0g
54.4%
Live Sizing
Flight Envelope

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