G Class Rocket Motor

Cesaroni 139G107-12A

Cesaroni Technology
White Thunder
Ø 24mm
Total Impulse
139.1Ns
Burn Time
1.30s
Avg Thrust
106.9N
Max Thrust
230.7N

Thrust Profile (N)

1.30s Burn Window

Engineered by Cesaroni Technology, the 139G107-12A is a 24mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 139.1 Ns over a 1.30 second burn window.

With an average thrust of 106.9 N and a peak of 230.7 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the White Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 24 mm
Length 228 mm
Hardware Pro24-6G
Delays (s) 3,5,7,9,12
Specific Impulse 187.3 s
Peak Thrust 221.84 N
Peak Time T+ 0.022s
T/W Ratio 64.18
Propellant White Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

169.8g Total
Casing (Dry)
94.1g
55.4%
Propellant
75.7g
44.6%
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...