H Class Rocket Motor

Cesaroni 266H125-12A

Cesaroni Technology
Classic
Ø 38mm
Total Impulse
285.6Ns
Burn Time
2.15s
Avg Thrust
125.1N
Max Thrust
152.9N

Thrust Profile (N)

2.15s Burn Window

Engineered by Cesaroni Technology, the 266H125-12A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 285.6 Ns over a 2.15 second burn window.

With an average thrust of 125.1 N and a peak of 152.9 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 38 mm
Length 186 mm
Hardware Pro38-2G
Delays (s) 3,5,7,9,12
Specific Impulse 232.9 s
Peak Thrust 154.08 N
Peak Time T+ 1s
T/W Ratio 43.52
Propellant Classic
Profile dual-peak
Type reload
Sparky No

Mass Budget

293g Total
Casing (Dry)
168.0g
57.3%
Propellant
125.0g
42.7%
Live Sizing
Flight Envelope

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