L Class Rocket Motor

AeroTech L400W

AeroTech
White Lightning
Ø 98mm
Total Impulse
4641.6Ns
Burn Time
12.24s
Avg Thrust
379.1N
Max Thrust
770.2N

Thrust Profile (N)

12.24s Burn Window

Engineered by AeroTech, the L400W is a 98mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 4641.6 Ns over a 12.24 second burn window.

With an average thrust of 379.1 N and a peak of 770.2 N, it features a dual-peak thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 98 mm
Length 443.9 mm
Hardware RMS-98/5120
Delays (s) P
Specific Impulse 175.5 s
Peak Thrust 720.61 N
Peak Time T+ 1.631s
T/W Ratio 7.48
Propellant White Lightning
Profile dual-peak
Type reload
Sparky No

Mass Budget

5170g Total
Casing (Dry)
2474.0g
47.9%
Propellant
2696.0g
52.1%
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...