J Class Rocket Motor

Cesaroni 838J293-13A

Cesaroni Technology
Blue Streak
Ø 54mm
Total Impulse
837.9Ns
Burn Time
2.85s
Avg Thrust
292.7N
Max Thrust
386.1N

Thrust Profile (N)

2.85s Burn Window

Engineered by Cesaroni Technology, the 838J293-13A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 837.9 Ns over a 2.85 second burn window.

With an average thrust of 292.7 N and a peak of 386.1 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Blue Streak 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) 3,4,5,6,7,8,9,10,11,12,13
Specific Impulse 205.3 s
Peak Thrust 386.32 N
Peak Time T+ 0.044s
T/W Ratio 35.52
Propellant Blue Streak
Profile dual-peak
Type reload
Sparky No

Mass Budget

840g Total
Casing (Dry)
424.0g
50.5%
Propellant
416.0g
49.5%
Live Sizing
Flight Envelope

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