I Class Rocket Motor

Cesaroni 381I224-15A

Cesaroni Technology
Classic
Ø 29mm
Total Impulse
381.5Ns
Burn Time
1.70s
Avg Thrust
223.8N
Max Thrust
454.4N

Thrust Profile (N)

1.70s Burn Window

Engineered by Cesaroni Technology, the 381I224-15A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 381.5 Ns over a 1.70 second burn window.

With an average thrust of 223.8 N and a peak of 454.4 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the Classic propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 365 mm
Hardware Pro29-6GXL
Delays (s) 6,8,10,12,15
Specific Impulse 213.1 s
Peak Thrust 433.08 N
Peak Time T+ 0.02s
T/W Ratio 61.66
Propellant Classic
Profile regressive
Type reload
Sparky No

Mass Budget

370g Total
Casing (Dry)
187.5g
50.7%
Propellant
182.5g
49.3%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

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I161W

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