Rotor R550X: A full-size autonomous helicopter anyone can buy
Rotor Technologies is now in production on a full-size unmanned helicopter for civilian use. Based on the Robinson R44 Raven II, the R550X flies for more than three hours, at speeds up to 150 mph (241 km/h), carrying up to 1,200 lb (550 kg) of cargo.Co… Continue reading Rotor R550X: A full-size autonomous helicopter anyone can buy