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windows default iconOpenRocket for Windows Publisher's description

OpenRocket is an free

OpenRocket is an free, fully featured model rocket simulator that allows you to design and simulate your rockets before actually building and flying them.

OpenRocket features a full six-degree-of-freedom simulation, realistic wind modeling, a multitude of different components including free-form fins and canted fins, clustering and staging. Read more about its features and see screenshots.

OpenRocket is an Open Source project licensed under the GNU GPL. This means that the software is free to use for whatever purposes, and the source code is also available for studying and extending.

OpenRocket needs help to become even better. Implementing features, writing documentation and creating example designs are just a few ways of helping. If you are interested in helping make OpenRocket the best rocket simulator out there, please Get involved!



Fully cross-platform, written in Java
Fully documented simulation methods
Open Source, source code available under the GNU GPL

User interface

Easy-to-use user interface for rocket design
Real-time view of CG and CP position
Real-time flight altitude, velocity and acceleration information from a continuous simulation performed in the background
Zoomable schematic view of rocket from the side or rear, with rotation around the center axis


A multitude of available components to choose from
Trapezoidal, elliptical and free-form fins supported
Support for canted fins (roll stabilization)
Staging and clustering support
Automatic calculation of component mass and CG based on shape and density
Ability to override mass and CG of components or stages separately

Simulation and analysis

Full six degree of freedom simulation
Rocket stability computed using extended Barrowman method
Realistic wind modeling
Analysis of the effect of separate components on the stability, drag and roll characteristics of the rocket
Fully configurable plotting, with various preset configurations
Simulation data can be exported to CSV files for further analysis
Simulation listeners allowing custom-made code to interact with the rocket during flight simulation

What's New in This Release:

В· Initial printing support, and various bug fixes.

System Requirements:

В· Java
Program Release Status: New Release
Program Install Support: Install and Uninstall

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