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.

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...