That was fun for the first thrity or so seconds! <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> . .. .....but I did not lose mouse effectiveness, nor get uncommanded mouse oscilations when attempting to achieve vortex ring state!! <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> . .. ....oh, and the mouse did NOT suddenly fly off either!! <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" />