H Class Rocket Motor

Cesaroni 164H90-12A

Cesaroni Technology
Classic
Ø 29mm
Total Impulse
164.2Ns
Burn Time
1.82s
Avg Thrust
90.3N
Max Thrust
154.1N

Thrust Profile (N)

1.82s Burn Window

Engineered by Cesaroni Technology, the 164H90-12A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 164.2 Ns over a 1.82 second burn window.

With an average thrust of 90.3 N and a peak of 154.1 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Classic propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 187 mm
Hardware Pro29-3G
Delays (s) 3,5,7,9,12
Specific Impulse 217.1 s
Peak Thrust 155 N
Peak Time T+ 0.055s
T/W Ratio 56.47
Propellant Classic
Profile dual-peak
Type reload
Sparky No

Mass Budget

163g Total
Casing (Dry)
85.9g
52.7%
Propellant
77.1g
47.3%
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

H165R

AeroTech

H
dual-peak
Total: 165 Ns
Ø 29mm
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