H Class Rocket Motor

Cesaroni 258H180-14A

Cesaroni Technology
Skidmark
Ø 29mm
Total Impulse
258.0Ns
Burn Time
1.44s
Avg Thrust
179.6N
Max Thrust
266.1N

Thrust Profile (N)

1.44s Burn Window

Engineered by Cesaroni Technology, the 258H180-14A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 258.0 Ns over a 1.44 second burn window.

With an average thrust of 179.6 N and a peak of 266.1 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 320 mm
Hardware Pro29-6G
Delays (s) 5,7,9,11,14
Specific Impulse 175.3 s
Peak Thrust 270 N
Peak Time T+ 0.03s
T/W Ratio 58.31
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

314g Total
Casing (Dry)
164.0g
52.2%
Propellant
150.0g
47.8%
Live Sizing
Flight Envelope

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