Boeing Building Biggest Helicopter Ever - Yahoo! News
Boeing and a place named SkyHook international is going to build helicopters that are helium balloons with rotors to lift stuff. There will be enough helium to keep the unloaded and fueled aircraft up, so the fuel is used just to move the load and not for keeping the aircraft up.
Boeing and a place named SkyHook international is going to build helicopters that are helium balloons with rotors to lift stuff. There will be enough helium to keep the unloaded and fueled aircraft up, so the fuel is used just to move the load and not for keeping the aircraft up.