icon08:45 RC-Videos UNIQUE LOCKHEED XH-51 N NASA ELECTRICAL RC HELICOPTER FLIGHT DEMONTRATION Chrissi RC4 Jahren ago 1 Jahr ago https://www.youtube.com/user/HeliChrissi/videos?disable_polymer=1 #XH51n #nasa #lockheed Pilot: Roland Riedel Model: Lockheed XH-51... 02.4K