Total Impulse
2.5Ns
Burn Time
1.31s
Avg Thrust
1.9N
Max Thrust
4.8N
Thrust Profile (N)
1.31s Burn WindowEngineered by Apogee Components, the A2 is a 10.5mm solid rocket motor designed for model rocketry. As an official A-class motor, it delivers a total impulse of 2.5 Ns over a 1.31 second burn window.
With an average thrust of 1.9 N and a peak of 4.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
National Association of RocketryDiameter 10.5 mm
Length 57 mm
Hardware Single Use
Delays (s) 0,3,5,7
Specific Impulse 83.9 s
Peak Thrust 4.82 N
Peak Time T+ 0.1s
T/W Ratio —
Propellant Standard
Profile regressive
Type SU
Sparky No
Mass Budget Unavailable
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.
Install in Google Sheets coming soon Comparable A-Class Alternatives
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.