dose it have to start on the ground
you will become a "that guy" so if you do it, you need to do something epic you should do something stupid like add a pinata to it or a fishing line.have it shoot nerf darts at the drivers from inside the arena. have it drop bouncy balls.
Last time I checked, having external propellers/blades was illegal.
I think they'll want a full rollcage, and won't let you enter with that one in your link. If I'm not mistaken, the purpose of the rule is to keep their ceiling from getting damage - a damaged ceiling is a lot worse than a damaged floor.
you should do something stupid like add a pinata to it or a fishing line.
Somebody (Not Somebody) convince me why I shouldn't.