K Class Rocket Motor

Gorilla K828BT

Gorilla Rocket Motors
Blue Typhoon
Ø 54mm
Total Impulse
1786.1Ns
Burn Time
2.16s
Avg Thrust
828.0N
Max Thrust
1301.4N

Thrust Profile (N)

2.16s Burn Window
Thrust Curve Missing
No .ENG file data recorded for this motor.

Engineered by Gorilla Rocket Motors, the K828BT is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1786.1 Ns over a 2.16 second burn window.

With an average thrust of 828.0 N and a peak of 1301.4 N, it features a thrust curve optimal for general sport flying. It utilizes the Blue Typhoon propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 491 mm
Hardware 54/1750
Delays (s) P
Specific Impulse 209.3 s
Peak Thrust
Peak Time
T/W Ratio 45.97
Propellant Blue Typhoon
Profile Unknown
Type reload
Sparky No

Mass Budget

1836g Total
Casing (Dry)
966.0g
52.6%
Propellant
870.0g
47.4%
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...