L Class Rocket Motor

Contrail L800-BG

Contrail Rockets
Unknown
Ø 75mm
Total Impulse
3759.0Ns
Burn Time
4.60s
Avg Thrust
813.0N
Max Thrust
1608.0N

Thrust Profile (N)

4.60s Burn Window

Engineered by Contrail Rockets, the L800-BG is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 3759.0 Ns over a 4.60 second burn window.

With an average thrust of 813.0 N and a peak of 1608.0 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 1372 mm
Hardware 75 54 M BG (3200CC)
Delays (s) P
Specific Impulse 119.7 s
Peak Thrust 1351.58 N
Peak Time T+ 0.006s
T/W Ratio 17.54
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

4726g Total
Casing (Dry)
1526.0g
32.3%
Propellant
3200.0g
67.7%
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...