H Class Rocket Motor

AeroTech H238T

AeroTech
Blue Thunder
Ø 29mm
Total Impulse
165.5Ns
Burn Time
0.71s
Avg Thrust
238.0N
Max Thrust
263.4N

Thrust Profile (N)

0.71s Burn Window

Engineered by AeroTech, the H238T is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 165.5 Ns over a 0.71 second burn window.

With an average thrust of 238.0 N and a peak of 263.4 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Blue Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 29 mm
Length 194 mm
Hardware RMS-29/180
Delays (s) 4,6,8,10
Specific Impulse 202.3 s
Peak Thrust 229.32 N
Peak Time T+ 0.344s
T/W Ratio 123.78
Propellant Blue Thunder
Profile neutral
Type reload
Sparky No

Mass Budget

196g Total
Casing (Dry)
112.6g
57.4%
Propellant
83.4g
42.6%
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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