Advanced Model Airplane Calculator
- very easy to use
- helps you put together efficient electric power systems
- guides you with 425 ToolTips and 7 interactive tutorials
- displays 31 graphs that update in real-time
- flies your model in a virtual wind tunnel
- shows you the right trade-offs for your scale model
- runs on Windows, Mac and Linux without installation
Paul Ross, a retired scientist, studied 40 reviews of electric model airplanes in magazines such as Model Airplane News. He discovered that their average propeller efficiency was 39%, half of what it should have been. Are your models doing any better?

