Without a set of wings , you would assume that a helicopter could n’t safely down like a glide airplane can in the outcome of an engine failure . But surprisingly , using some clever physics tricks , a skilled helicopter pilotcan contribute their craft in for a safe landingif its motor drop dead . It wo n’t just fall out of the sky .
SmarterEveryDay’sDestin muster in the help of a helicopter pilot with 16,000 hr of flying experience to show him how it ’s done using a state of flight calledautorotation . In the same mode blowing on a stick bike will make it spin , the melodic line moving up through a whirlybird ’s rotor coil will keep it turning and providing lift .
It ’s up to the airplane pilot to exactly contain the slant of the helicopter ’s rotor coil blades to ensure the perfect speeding of decent in edict to bring down the craft safely . But patently this manoeuvre has been successfully fulfil from altitudes well over 40,000 feet before , higher than most passenger planes vanish .

[ YouTubeviaLaughing Squid ]
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