I Class Rocket Motor

Cesaroni 540I470-15A

Cesaroni Technology
White Thunder
Ø 38mm
Total Impulse
540.1Ns
Burn Time
1.14s
Avg Thrust
472.2N
Max Thrust
555.2N

Thrust Profile (N)

1.14s Burn Window

Engineered by Cesaroni Technology, the 540I470-15A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 540.1 Ns over a 1.14 second burn window.

With an average thrust of 472.2 N and a peak of 555.2 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 38 mm
Length 303 mm
Hardware Pro38-4G
Delays (s) 6,8,10,12,15
Specific Impulse 222.7 s
Peak Thrust 563.79 N
Peak Time T+ 0.013s
T/W Ratio 97.24
Propellant White Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

495g Total
Casing (Dry)
247.8g
50.1%
Propellant
247.2g
49.9%
Live Sizing
Flight Envelope

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