J Class Rocket Motor

Cesaroni 896J580-17A

Cesaroni Technology
Smoky Sam
Ø 38mm
Total Impulse
896.4Ns
Burn Time
1.55s
Avg Thrust
577.4N
Max Thrust
691.5N

Thrust Profile (N)

1.55s Burn Window

Engineered by Cesaroni Technology, the 896J580-17A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 896.4 Ns over a 1.55 second burn window.

With an average thrust of 577.4 N and a peak of 691.5 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Smoky Sam propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 510 mm
Hardware Pro38-6GXL
Delays (s) 8,10,12,14,17
Specific Impulse 155.4 s
Peak Thrust 692.92 N
Peak Time T+ 0.016s
T/W Ratio 56.37
Propellant Smoky Sam
Profile regressive
Type reload
Sparky No

Mass Budget

1044g Total
Casing (Dry)
456.0g
43.7%
Propellant
588.0g
56.3%
Live Sizing
Flight Envelope

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