all i need now is the balls to try it.
Thanks for your suggestions. I had considered tethers, mechanical restraints of some kind, or possibly just going for getting skids light and then an inch or two clearance etc. Having had a previous machine do a 180 in the blink on an eye , i am considering short tethers for initial getting light on the skids and confirming tail rotor authority and then if all is well proceed to small hops foreward etc. The device the young lady is holding is a test model for my ring rotor. This enables me to acquire great inertia without the penalty of heavy blades or rotor hub. the outer ring constrains the inertial forces (depending on its elasticity) and also allows me to put the weight where i want it. It does however produce some unexpected flexation modes within the blades themselves. FDI analysis indicates an improvement in lift especially around the tips.The improved performance on the tip loss factor overcomes the additional drag of the ring itself Thanks Bug