H Class Rocket Motor

AeroTech H242T

AeroTech
Blue Thunder
Ø 38mm
Total Impulse
231.7Ns
Burn Time
1.06s
Avg Thrust
242.0N
Max Thrust
276.6N

Thrust Profile (N)

1.06s Burn Window

Engineered by AeroTech, the H242T is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 231.7 Ns over a 1.06 second burn window.

With an average thrust of 242.0 N and a peak of 276.6 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

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 152 mm
Hardware RMS-38/240
Delays (s) 4,6,8,10
Specific Impulse 205.9 s
Peak Thrust 211.48 N
Peak Time T+ 0.28s
T/W Ratio 93.44
Propellant Blue Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

264g Total
Casing (Dry)
149.3g
56.6%
Propellant
114.7g
43.4%
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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