J Class Rocket Motor

Cesaroni 683J250-15A

Cesaroni Technology
Skidmark
Ø 54mm
Total Impulse
682.8Ns
Burn Time
2.73s
Avg Thrust
250.0N
Max Thrust
337.6N

Thrust Profile (N)

2.73s Burn Window

Engineered by Cesaroni Technology, the 683J250-15A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 682.8 Ns over a 2.73 second burn window.

With an average thrust of 250.0 N and a peak of 337.6 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 237 mm
Hardware Pro54-2G
Delays (s) 6,7,8,9,10,11,12,13,14,15
Specific Impulse 171.4 s
Peak Thrust 283.64 N
Peak Time T+ 1.449s
T/W Ratio 30.7
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

830g Total
Casing (Dry)
424.0g
51.1%
Propellant
406.0g
48.9%
Live Sizing
Flight Envelope

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Comparable J-Class Alternatives

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699J145-19A

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J90W

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