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Free OpenRocket Model Rocket Design
and Simulation Software!

The OpenRocket model rocketry design and simulation software is a complete program for designing, checking stability and predicting perfomance of your model rocket designs.

OpenRocket will run on any computer or operating system that is Sun Java compatible. You must install Sun Microsystems Java before running OpenRocket.
OpenRocket Main Page Main design page includes a design tree and a view of the rocket as it is designed. Center of pressure and center of gravity are automatically calculated on the fly.
OpenRocket Fin Design Tool Fin design tool allows you to creat standard or custom fin designs of any shape.
OpenRocket Cluster Design Motor clusters can be configured in your model rocket design.
OpenRocket Fin Design Tool Choose from many different motors and motor manufacturers.
OpenRocket Flight Simulation> Run different simulations based on different motor and multi-stage configurations.