E Class Rocket Motor

Cesaroni 25E75-17A

Total Impulse
24.8Ns
Burn Time
0.33s
Avg Thrust
74.3N
Max Thrust
99.9N

Thrust Profile (N)

0.33s Burn Window

Engineered by Cesaroni Technology, the 25E75-17A is a 24mm solid rocket motor designed for model rocketry. As an official E-class motor, it delivers a total impulse of 24.8 Ns over a 0.33 second burn window.

With an average thrust of 74.3 N and a peak of 99.9 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Vmax propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 24 mm
Length 69 mm
Hardware Pro24-1G
Delays (s) 8,10,12,14,17
Specific Impulse 24.3 s
Peak Thrust 95.1 N
Peak Time T+ 0.012s
T/W Ratio 145.65
Propellant Vmax
Profile dual-peak
Type reload
Sparky No

Mass Budget

52g Total
Casing (Dry)
-52.0g
-100.0%
Propellant
104.0g
200.0%
Live Sizing
Flight Envelope

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