Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Poyi, Gwangtim Timothy"'
Autor:
Poyi, Gwangtim Timothy
Quad-rotor helicopters are agile aircraft which are lifted and propelled by four rotors. Unlike traditional helicopters, they do not require a tail-rotor to control yaw, but can use four smaller fixed-pitch rotors. However, without an intelligent con
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.633683
