K Class Rocket Motor

AeroTech K1800ST-P

AeroTech
Super Thunder
Ø 75mm
Total Impulse
2443.7Ns
Burn Time
1.37s
Avg Thrust
1776.5N
Max Thrust
2082.4N

Thrust Profile (N)

1.37s Burn Window

Engineered by AeroTech, the K1800ST-P is a 75mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2443.7 Ns over a 1.37 second burn window.

With an average thrust of 1776.5 N and a peak of 2082.4 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Super Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 402 mm
Hardware RMS-75/2560
Delays (s) P
Specific Impulse 223.8 s
Peak Thrust 2075.61 N
Peak Time T+ 0.621s
T/W Ratio 65.34
Propellant Super Thunder
Profile dual-peak
Type reload
Sparky No

Mass Budget

2771.5g Total
Casing (Dry)
1658.5g
59.8%
Propellant
1113.0g
40.2%
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...