I Class Rocket Motor

Cesaroni 517I255-16A

Cesaroni Technology
Red Lightning
Ø 38mm
Total Impulse
517.3Ns
Burn Time
2.04s
Avg Thrust
253.0N
Max Thrust
313.9N

Thrust Profile (N)

2.04s Burn Window

Engineered by Cesaroni Technology, the 517I255-16A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 517.3 Ns over a 2.04 second burn window.

With an average thrust of 253.0 N and a peak of 313.9 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Red Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 303 mm
Hardware Pro38-4G
Delays (s) 7,9,11,13,16
Specific Impulse 193 s
Peak Thrust 313.95 N
Peak Time T+ 0.34s
T/W Ratio 49.98
Propellant Red Lightning
Profile dual-peak
Type reload
Sparky No

Mass Budget

516g Total
Casing (Dry)
242.8g
47.1%
Propellant
273.2g
52.9%
Live Sizing
Flight Envelope

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