Thrust Profile (N)
1.38s Burn WindowEngineered by AeroTech, the J520W is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 671.3 Ns over a 1.38 second burn window.
With an average thrust of 487.4 N and a peak of 902.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.
Technical Specifications
Tripoli Rocketry Association, Inc.Mass Budget
757.4g TotalDesign wings in your spreadsheet
AeroSheet loads airfoils directly into Google Sheets. Polars, 3D splines, Fusion 360 export, without leaving your spreadsheet.
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.