H Class Rocket Motor

Cesaroni 217H135-12A

Cesaroni Technology
White
Ø 29mm
Total Impulse
216.7Ns
Burn Time
1.60s
Avg Thrust
135.1N
Max Thrust
171.8N

Thrust Profile (N)

1.60s Burn Window

Engineered by Cesaroni Technology, the 217H135-12A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 216.7 Ns over a 1.60 second burn window.

With an average thrust of 135.1 N and a peak of 171.8 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the White propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 231 mm
Hardware Pro29-4G
Delays (s) 3,5,7,9,12
Specific Impulse 184.4 s
Peak Thrust 166.8 N
Peak Time T+ 0.012s
T/W Ratio 54.82
Propellant White
Profile regressive
Type reload
Sparky No

Mass Budget

251.2g Total
Casing (Dry)
131.4g
52.3%
Propellant
119.8g
47.7%
Live Sizing
Flight Envelope

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