L Class Rocket Motor

AeroTech L1940X

AeroTech
Propellant X
Ø 75mm
Total Impulse
4329.2Ns
Burn Time
2.23s
Avg Thrust
1939.3N
Max Thrust
2318.5N

Thrust Profile (N)

2.23s Burn Window

Engineered by AeroTech, the L1940X is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 4329.2 Ns over a 2.23 second burn window.

With an average thrust of 1939.3 N and a peak of 2318.5 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Propellant X propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 560 mm
Hardware RMS-75/3840
Delays (s) P
Specific Impulse 241.8 s
Peak Thrust 2289.18 N
Peak Time T+ 0.055s
T/W Ratio 51.27
Propellant Propellant X
Profile regressive
Type reload
Sparky No

Mass Budget

3855.5g Total
Casing (Dry)
2030.5g
52.7%
Propellant
1825.0g
47.3%
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...