K Class Rocket Motor

Cesaroni 1874K740-18A

Cesaroni Technology
C-Star
Ø 54mm
Total Impulse
1873.9Ns
Burn Time
2.53s
Avg Thrust
740.1N
Max Thrust
883.9N

Thrust Profile (N)

2.53s Burn Window

Engineered by Cesaroni Technology, the 1874K740-18A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1873.9 Ns over a 2.53 second burn window.

With an average thrust of 740.1 N and a peak of 883.9 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the C-Star 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 225.7 s
Peak Thrust 869.32 N
Peak Time T+ 0.486s
T/W Ratio 51.36
Propellant C-Star
Profile neutral
Type reload
Sparky No

Mass Budget

1469g Total
Casing (Dry)
622.8g
42.4%
Propellant
846.2g
57.6%
Live Sizing
Flight Envelope

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