OpenRocket now requires Java 11 for execution. We highly recommend to use the packaged installers for your operating system.
Notable changes
- Pods
- Drop-off Boosters
- Rail Buttons
- Attach freeform fins to nose cones and transitions
- Coefficient of Drag override
- Added Dave Cook's rocket component library
All Changes
Application
- Update to Java 11
- Distributed as packaged installers
New Rocket Design Capabilities
- Pods
- Drop-off Boosters
- Rail buttons
- Attach freeform fins to nose cones and transitions
- Coefficient of Drag override
- Added Dave Cook's rocket component library
Staging Improvements
- Update CG correctly when stages are toggled
- Display stage names instead of numbers in Stage enable buttons
- Reported length reflects length of selected stages only
- More reliable deployment of booster stage recovery device
- Fixed booster tumbling behavior
- Eliminate exceptions during multi-stage simulation
- Improved accuracy of nose cone simulation
Simulation Improvements
- Assorted CP calculation fixes
- Improved nose cone drag calculations
- Properly run all simulations when any design change is made
- Use actual burn time for determination of burnout event
- Improve mass calculation accuracy for motors
- Correct linear interpolation of motor CG
- Copy Simulation results to clipboard
- Report wind speed correctly
- Improved ground hit velocity calculations
- Run simulations all the way to the end
- No more warning if recovery device is deployed while motor is coasting
Rocket Appearance
- Support rendering of transparent or translucent components
- Separate inside and outside color for tube components
- Separate left and right appearance for fin components
User Interface
- Multi-select/copy/paste components in the tree
- Option to display rocket stability as percentage of length
- Improved layout on many windows and dialogs
- Now use "Export" to save to RKT format
- Improved File Dialog behavior
- Multi-select/delete motor configurations
- Improved UI appearance on Mac
- Motor Selection
- Automatically open motor selection dialog when adding new motor configuation
- Added checkbox to hide motors which are out of production
- Highlight motor mount in rocket display when motor is selected
- Many improvements to freeform fin editor, including
- More accurate insertion of new points
- Highlight coordinates of selected point
- Export fin profile to CSV file
- Fixed scrolling and zooming
- Improvements to Photo Studio
- Respond instantly to design changes
- Settings saved per rocket
- Settings layout improved
- Settings values can now be entered via keyboard
Misc
- Updated motor list to latest data from Thrustcurve.org
- Added additional fields to motors
- Disable fin-thickness warnings on phantom tubes
- Added warning message for phantom body tubes
- Updated print dialog to allow simulation control
- Improved Rocksim import
- Added or improved Spanish, Dutch, and simplified Chinese translations
...plus many, many additional bug fixes and refinements