H Class Rocket Motor

AeroTech H669N

AeroTech
Warp 9
Ø 38mm
Total Impulse
221.0Ns
Burn Time
0.34s
Avg Thrust
651.4N
Max Thrust
961.5N

Thrust Profile (N)

0.34s Burn Window

Engineered by AeroTech, the H669N is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 221.0 Ns over a 0.34 second burn window.

With an average thrust of 651.4 N and a peak of 961.5 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Warp 9 propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 152 mm
Hardware RMS-38/240
Delays (s) P
Specific Impulse 229.9 s
Peak Thrust 1178 N
Peak Time T+ 0.012s
T/W Ratio 263.5
Propellant Warp 9
Profile dual-peak
Type reload
Sparky No

Mass Budget

252g Total
Casing (Dry)
154.0g
61.1%
Propellant
98.0g
38.9%
Live Sizing
Flight Envelope

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Comparable H-Class Alternatives

H155F

Kosdon

H
dual-peak
Total: 161 Ns
Ø 29mm

H300-HP

Contrail

H
neutral
Total: 161 Ns
Ø 38mm

H222-HP

Contrail

H
regressive
Total: 161 Ns
Ø 38mm

H55W

AeroTech

H
regressive
Total: 162 Ns
Ø 29mm

163H133-14A

Cesaroni

H
dual-peak
Total: 163 Ns
Ø 29mm

164H90-12A

Cesaroni

H
dual-peak
Total: 164 Ns
Ø 29mm
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