I Class Rocket Motor

Cesaroni 502I120-15A

Total Impulse
501.8Ns
Burn Time
4.12s
Avg Thrust
122.2N
Max Thrust
152.0N

Thrust Profile (N)

4.12s Burn Window

Engineered by Cesaroni Technology, the 502I120-15A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 501.8 Ns over a 4.12 second burn window.

With an average thrust of 122.2 N and a peak of 152.0 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Imax propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 54 mm
Length 143 mm
Hardware Pro54-1G
Delays (s) 5,6,7,8,9,10,11,12,13,14,15
Specific Impulse 194.4 s
Peak Thrust 148.49 N
Peak Time T+ 0.067s
T/W Ratio 19.99
Propellant Imax
Profile dual-peak
Type reload
Sparky No

Mass Budget

623.2g Total
Casing (Dry)
360.1g
57.8%
Propellant
263.1g
42.2%
Live Sizing
Flight Envelope

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