L Class Rocket Motor

Gorilla L1065BL

Gorilla Rocket Motors
Black Lightning
Ø 75mm
Total Impulse
4209.7Ns
Burn Time
3.95s
Avg Thrust
1065.5N
Max Thrust
1931.9N

Thrust Profile (N)

3.95s Burn Window

Engineered by Gorilla Rocket Motors, the L1065BL is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 4209.7 Ns over a 3.95 second burn window.

With an average thrust of 1065.5 N and a peak of 1931.9 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Black Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 787 mm
Hardware 75/6000
Delays (s) P
Specific Impulse 159.3 s
Peak Thrust 1779.29 N
Peak Time T+ 0.65s
T/W Ratio 20.25
Propellant Black Lightning
Profile neutral
Type reload
Sparky Yes

Mass Budget

5363g Total
Casing (Dry)
2670.0g
49.8%
Propellant
2693.0g
50.2%
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...