K Class Rocket Motor

Cesaroni 1633K940-18A

Cesaroni Technology
White Thunder
Ø 54mm
Total Impulse
1632.7Ns
Burn Time
1.75s
Avg Thrust
934.8N
Max Thrust
1120.8N

Thrust Profile (N)

1.75s Burn Window

Engineered by Cesaroni Technology, the 1633K940-18A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1632.7 Ns over a 1.75 second burn window.

With an average thrust of 934.8 N and a peak of 1120.8 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 404 mm
Hardware Pro54-4G
Delays (s) 8,9,10,11,12,13,14,15,16,17,18
Specific Impulse 216.7 s
Peak Thrust 1115.79 N
Peak Time T+ 0.021s
T/W Ratio 69.73
Propellant White Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

1366.5g Total
Casing (Dry)
598.5g
43.8%
Propellant
768.0g
56.2%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

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1281K360-13A

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835CC125J-K240

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SK-54-1750

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K400C

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