Its size can vary from a few centimeters to several tens of meters, but did not prevent him from reaching supersonic speeds, Turns to close, even to 90 ° (square) or even to remain stationary in the air and then again with unbelievable acceleration.
Ang laki ay maaaring mag-iba-iba mula sa loob ng ilang sentimetro sa maraming sampu-sampung metro, pero hindi maiwasan sa kanya mula sa mga umaabot supersonic bilis, Na nagiging close, kahit na sa 90 ° (parisukat) o kahit na mananatiling nakapirmi sa hangin at pagkatapos ay muli na may balintuna acceleration.