H Class Rocket Motor

AeroTech H128W

AeroTech
White Lightning
Ø 29mm
Total Impulse
172.9Ns
Burn Time
1.27s
Avg Thrust
128.0N
Max Thrust
168.7N

Thrust Profile (N)

1.27s Burn Window

Engineered by AeroTech, the H128W is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 172.9 Ns over a 1.27 second burn window.

With an average thrust of 128.0 N and a peak of 168.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the White Lightning 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 187.1 s
Peak Thrust 190.48 N
Peak Time T+ 0.328s
T/W Ratio 63.34
Propellant White Lightning
Profile dual-peak
Type reload
Sparky No

Mass Budget

206g Total
Casing (Dry)
111.8g
54.3%
Propellant
94.2g
45.7%
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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