F Class Rocket Motor

Cesaroni 74F85-15A

Cesaroni Technology
White Thunder
Ø 24mm
Total Impulse
73.6Ns
Burn Time
0.87s
Avg Thrust
85.0N
Max Thrust
105.6N

Thrust Profile (N)

0.87s Burn Window

Engineered by Cesaroni Technology, the 74F85-15A is a 24mm solid rocket motor designed for model rocketry. As an official F-class motor, it delivers a total impulse of 73.6 Ns over a 0.87 second burn window.

With an average thrust of 85.0 N and a peak of 105.6 N, it features a dual-peak 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 24 mm
Length 133 mm
Hardware Pro24-3G
Delays (s) 6,8,10,12,15
Specific Impulse 222.6 s
Peak Thrust 102.4 N
Peak Time T+ 0.283s
T/W Ratio 90.26
Propellant White Thunder
Profile dual-peak
Type reload
Sparky No

Mass Budget

96g Total
Casing (Dry)
62.3g
64.9%
Propellant
33.7g
35.1%
Live Sizing
Flight Envelope

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