J Class Rocket Motor

Cesaroni 821J430-18A

Cesaroni Technology
White Thunder
Ø 54mm
Total Impulse
821.1Ns
Burn Time
1.90s
Avg Thrust
432.4N
Max Thrust
546.8N

Thrust Profile (N)

1.90s Burn Window

Engineered by Cesaroni Technology, the 821J430-18A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 821.1 Ns over a 1.90 second burn window.

With an average thrust of 432.4 N and a peak of 546.8 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the White Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 54 mm
Length 236 mm
Hardware Pro54-2G
Delays (s) 8,9,10,11,12,13,14,15,16,17,18
Specific Impulse 218 s
Peak Thrust 538.75 N
Peak Time T+ 0.034s
T/W Ratio 55.11
Propellant White Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

799.8g Total
Casing (Dry)
415.8g
52.0%
Propellant
384.0g
48.0%
Live Sizing
Flight Envelope

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