RE: Hover/ Beaver/gear/prop
Himaxx makes about a hundred different motors. Your options are limited heavily by which motor it is...
The best setup for hovering is the largest prop and the highest gear ratio. But don't run off and put the 6.6:1 and 12x8 prop on the motor just yet. As I said, the motor makes a HUGE difference. What battery are you using? That's important too.