Does anybody know a non-mechanical way to convert high pressure (or high velocity) air flow to a larger mass of slower flowing air in an efficient manner.
I am looking for a no-moving parts method of performing what a high-bypass fan does in a jet engine.
So far I've tried a venturi type...
I was at oskosh this summer and took a demo flight in an (unnamed) gyrocopter. Thoroughly entertaining, but somwhat discomforting for a fixed wing pilot.
After seeing how squirrely gyrocopter handling is, I started researching gyrocopter flight characteristics, which led to asking questions...
I am investigating using a short wing section extending outboard of the main wing for roll and pitch control in a gyrocopter.
The section would pivot at a point forward of its center of lift, and would have a 'trim tab' to control its angle of incidence in order to change lift in a cyclic...
