icon07:45 RC Videos VERY FAST XL RC WITTE HUGHES 500 TURBINE HELICOPTER FLIGHT DEMONSTRATION Chrissie RC5 years ago 1 year ago https://www.youtube.com/user/HeliChrissi/videos?disable_polymer=1 Pilot: Stefan Witte Model: Hughes 500 (Witte Helicopter) Rotor dia... 01.7K