H Class Rocket Motor

Cesaroni 268H140-11A

Cesaroni Technology
Classic
Ø 29mm
Total Impulse
268.0Ns
Burn Time
1.89s
Avg Thrust
141.8N
Max Thrust
247.8N

Thrust Profile (N)

1.89s Burn Window

Engineered by Cesaroni Technology, the 268H140-11A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 268.0 Ns over a 1.89 second burn window.

With an average thrust of 141.8 N and a peak of 247.8 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Classic propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 276 mm
Hardware Pro29-5G
Delays (s) 2,4,6,8,11
Specific Impulse 212.6 s
Peak Thrust 245 N
Peak Time T+ 0.04s
T/W Ratio 52.18
Propellant Classic
Profile neutral
Type reload
Sparky No

Mass Budget

277g Total
Casing (Dry)
148.5g
53.6%
Propellant
128.5g
46.4%
Live Sizing
Flight Envelope

Design wings in your spreadsheet

AeroSheet loads airfoils directly into Google Sheets. Polars, 3D splines, Fusion 360 export, without leaving your spreadsheet.

Google Sheets Install in Google Sheets coming soon
Veenie Kit

Need a custom engineering simulator?

The 3D engine on this page is built by Veenie Aerospace. We build bespoke, browser-native digital twins, aerodynamic simulators, and AI physics tools for UAV startups and defense contractors.

Loading calendar...