My understanding of VTOL aircraft (correct me if I am mistaken) is that the plane accelerates vertically until it's a bit off the ground, at which point the thrust is slowly vectored horizontally, and when it's finished, the plane has enough speed to produce sufficient lift. So, what happens if an engine fails before the plane has enough speed to lift itself? I'm asking about both single and double engine planes, for example the F-35, Harrier Jump Jet, or Yak 36.

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    $\begingroup$ I would suggest ejection. Fast. $\endgroup$ – vasin1987 Jan 24 '18 at 17:51
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    $\begingroup$ What plane? This would be different for an F-35 or V-22. $\endgroup$ – Ron Beyer Jan 24 '18 at 17:52
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    $\begingroup$ @RonBeyer I was thinking along the lines of a jet like the F-35. I'll add that to the question $\endgroup$ – cat40 Jan 24 '18 at 18:48
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    $\begingroup$ I wonder how much thought has been put into it when the airplane is designed. Ones like the Yak has independent engines front and aft and if one fails then the plane would certain just flip over instantly. Being military and especially Russian military pilots's lives is a resource, or even a consumable, so I imagine at the peak of cold war if they could save a reasonable chunk of time and money by increasing the pilot's death rate a littler they would probably do it. Just like what to do if the heat shield of space shuttle is damaged before reentry, the answer could be just "good luck" $\endgroup$ – user3528438 Jan 24 '18 at 19:16
  • $\begingroup$ Nothing good $\endgroup$ – Trevor_G Jan 24 '18 at 22:10

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