J Class Rocket Motor

Cesaroni 1008J420-15A

Cesaroni Technology
Classic
Ø 38mm
Total Impulse
1007.8Ns
Burn Time
2.40s
Avg Thrust
419.9N
Max Thrust
783.1N

Thrust Profile (N)

2.40s Burn Window

Engineered by Cesaroni Technology, the 1008J420-15A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1007.8 Ns over a 2.40 second burn window.

With an average thrust of 419.9 N and a peak of 783.1 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Classic propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 500 mm
Hardware Pro38-6GXL
Delays (s) 6,8,10,12,15
Specific Impulse 214.3 s
Peak Thrust 800 N
Peak Time T+ 0.035s
T/W Ratio 48.97
Propellant Classic
Profile neutral
Type reload
Sparky No

Mass Budget

874g Total
Casing (Dry)
394.6g
45.1%
Propellant
479.4g
54.9%
Live Sizing
Flight Envelope

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