I Class Rocket Motor

Cesaroni 486I287-15A

Cesaroni Technology
Smoky Sam
Ø 38mm
Total Impulse
486.0Ns
Burn Time
1.70s
Avg Thrust
286.2N
Max Thrust
344.2N

Thrust Profile (N)

1.70s Burn Window

Engineered by Cesaroni Technology, the 486I287-15A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 486.0 Ns over a 1.70 second burn window.

With an average thrust of 286.2 N and a peak of 344.2 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Smoky Sam propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 302 mm
Hardware Pro38-4G
Delays (s) 6,8,10,12,15
Specific Impulse 149.8 s
Peak Thrust 344.2 N
Peak Time T+ 0.9s
T/W Ratio 48.22
Propellant Smoky Sam
Profile neutral
Type reload
Sparky No

Mass Budget

605g Total
Casing (Dry)
274.2g
45.3%
Propellant
330.8g
54.7%
Live Sizing
Flight Envelope

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