ThrustCurve provides model and high-power hobby rocket motor data, including manufacturer specifications and certified performance.

thrustcurve.org
ThrustCurve homepage screenshot

About ThrustCurve

ThrustCurve provides data on commercial model and high-power hobby rocket motors, including manufacturer specifications and certified performance data for reference and flight simulation. Users can download thrust curves for use with simulators such as RockSim and OpenRocket.

The site organizes motors certified for hobby rocketry use and allows hobbyists to post simulator files and download files shared by others. It can be searched by motor name and properties, matched from basic rocket information, or browsed by narrowing categories.

Key features

  • Download thrust curves for flight simulators
  • Manufacturer specs and certified performance data
  • Search motors by name and other properties
  • Find compatible motors from rocket information
  • Browse motors by narrowing categories
  • Post and download user-contributed simulator files
Best for: Hobbyists working with model or high-power rockets who need motor data for simulation and reference.
Good for
  • Covers both model and high-power commercial motors
  • Includes certified performance data alongside manufacturer specs
  • Provides thrust curves for RockSim, OpenRocket and other simulators

ThrustCurve at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Thrustcurve3

github.com/JohnCoker/thrustcurve3

This repository contains code for the ThrustCurve.org site, which began as a collection of simulator files based on actual rocket motor firing data.

Open source
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ThrustCurve FAQ

What are thrust curves used for?
They can be downloaded for use with rocket flight simulators, including RockSim and OpenRocket.
Can users share simulator files?
Yes, hobbyists can post simulator files and download files posted by others.
Where does the certification data come from?
Certification organizations test commercial rocket motors and certify them for hobby rocketry use.
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