I Class Rocket Motor

Cesaroni 338I180-14A

Cesaroni Technology
Skidmark
Ø 38mm
Total Impulse
338.4Ns
Burn Time
1.87s
Avg Thrust
180.9N
Max Thrust
213.0N

Thrust Profile (N)

1.87s Burn Window

Engineered by Cesaroni Technology, the 338I180-14A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 338.4 Ns over a 1.87 second burn window.

With an average thrust of 180.9 N and a peak of 213.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 243 mm
Hardware Pro38-3G
Delays (s) 5,7,9,11,14
Specific Impulse 172.5 s
Peak Thrust 214.87 N
Peak Time T+ 0.962s
T/W Ratio 46.8
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

394g Total
Casing (Dry)
194.0g
49.2%
Propellant
200.0g
50.8%
Live Sizing
Flight Envelope

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