H Class Rocket Motor

AeroTech H14ST

AeroTech
Super Thunder
Ø 29mm
Total Impulse
240.1Ns
Burn Time
18.26s
Avg Thrust
13.2N
Max Thrust
42.1N

Thrust Profile (N)

18.26s Burn Window

Engineered by AeroTech, the H14ST is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 240.1 Ns over a 18.26 second burn window.

With an average thrust of 13.2 N and a peak of 42.1 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the Super Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 29 mm
Length 240 mm
Hardware Single Use
Delays (s) P
Specific Impulse 182.7 s
Peak Thrust 40.25 N
Peak Time T+ 0.343s
T/W Ratio 5.85
Propellant Super Thunder
Profile regressive
Type SU
Sparky No

Mass Budget

230g Total
Casing (Dry)
96.0g
41.7%
Propellant
134.0g
58.3%
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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