J Class Rocket Motor

Cesaroni 765J330-16A

Cesaroni Technology
Classic
Ø 38mm
Total Impulse
765.0Ns
Burn Time
2.26s
Avg Thrust
325.3N
Max Thrust
459.3N

Thrust Profile (N)

2.26s Burn Window

Engineered by Cesaroni Technology, the 765J330-16A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 765.0 Ns over a 2.26 second burn window.

With an average thrust of 325.3 N and a peak of 459.3 N, it features a regressive 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 419 mm
Hardware Pro38-6G
Delays (s) 7,9,11,13,16
Specific Impulse 208 s
Peak Thrust 459.32 N
Peak Time T+ 0.05s
T/W Ratio 47.24
Propellant Classic
Profile regressive
Type reload
Sparky No

Mass Budget

702g Total
Casing (Dry)
327.0g
46.6%
Propellant
375.0g
53.4%
Live Sizing
Flight Envelope

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