Quadrotors have been in existence for a long time now and are way cooler than your normal looking helicopters. The second-gen of quadrotors are small, agile and can be flown indoors and outdoors.
Quadrotors have been in existence for a long time now and are way cooler than your normal looking helicopters. The second-gen of quadrotors are small, agile and can be flown indoors and outdoors.