Everything you need to design, simulate and fly better rockets
OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before you build and flying them.
15.0323 Apr 2018 15:44
Support for scripting in simulation extensions
Experimental support for tube fins
Custom default mach number
Improved preferences UI
Fin fillet masses (no aero effects though)
Custom icons for different mass types (altimeter, hardware, etc)
Mass in the tool tip on the component tree.
And numerous little bugs and annoyances fixed