O Class Rocket Motor

Cesaroni 29920O3700-P

Cesaroni Technology
Skidmark
Ø 161mm
Total Impulse
29919.9Ns
Burn Time
8.19s
Avg Thrust
3654.3N
Max Thrust
4081.6N

Thrust Profile (N)

8.19s Burn Window

Engineered by Cesaroni Technology, the 29920O3700-P is a 161mm solid rocket motor designed for extreme high-power rocketry. As an official O-class motor, it delivers a total impulse of 29919.9 Ns over a 8.19 second burn window.

With an average thrust of 3654.3 N and a peak of 4081.6 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 161 mm
Length 957 mm
Hardware Pro150-40k
Delays (s) P
Specific Impulse 177.8 s
Peak Thrust 4030.28 N
Peak Time T+ 4.213s
T/W Ratio 11.88
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

31350.5g Total
Casing (Dry)
14193.5g
45.3%
Propellant
17157.0g
54.7%
Live Sizing
Flight Envelope

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