Questions tagged [vtol]

For questions about vehicles capable of vertical take-off and landing.

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4
votes
2answers
2k views

How do VTOL aircraft like the V-22 Osprey not tilt?

How do aircraft like the V-22 not tilt under an unbalanced load? if they are only supported by 2 forces on either side a large weight in the back should cause it to lean backward when stationary, ...
1
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2answers
2k views

What are the reasons why we do not have VTOL commercial airliners? [duplicate]

I understand that there are noise issues, and that there may be an economic case dependent on stage length, but other than that I'm not quite sure why they haven't happened. Is there something ...
0
votes
1answer
356 views

Can the lift fans used on a F-35 be driven by a turboshaft engine instead of the jet engine? If yes, which one? [closed]

This is for a sci-fi story I'm writing, so the answer doesn't have to be perfect, just close as possible. Can the lift fans on a F-35 be driven by a turboshaft instead of the jet engine If yes, which ...
1
vote
1answer
586 views

Has anyone successfully solo'd a helicopter with no actual flight experience?

Especially at low speed, such as during takeoff, while hovering, and while landing, helicopters are famously difficult (impossible) to control for someone with no experience. Is there a documented ...
1
vote
1answer
372 views

How is this rotor setup flying? [duplicate]

I've been researching about helicopter flight without a tail rotor and the closest I've found is intermeshing rotors or this: https://www.quora.com/Why-dont-helicopters-have-rotor-blades-at-the-bottom ...
19
votes
4answers
7k views

Can the V-22 autorotate?

Can tilt-rotors like the V-22 execute an autorotation landing? If so, are the conditions under which that would be possible (and survivable) different from a helicopter?
10
votes
2answers
2k views

Could a plane land vertically in a strong headwind?

I know there are VTOL craft meant to take off and land with a vertical trajectory. But, under the perfect wind conditions, could a normal airplane ever land (safely) with a vertical or nearly vertical ...
12
votes
3answers
3k views

Why do VTOL aircraft (F-35 or Harrier) have only one engine?

Why do VTOL aircraft (F-35 or Harrier) have only one engine? Is it because it is simpler and less expensive? Or what are the reasons?
7
votes
1answer
614 views

What is the current state of regulation regarding VTOL aircraft in the LSA category?

With quite a few concept designs in progress, I am curious what the current FAA regulations are regarding vertical takeoff and landing vehicles in the light sport aircraft category.
10
votes
2answers
2k views

Can airliners benefit from vertical take-off and landing?

A vertical take-off and landing (VTOL) aircraft is one that can hover, take off, and land vertically. We have several military fighter jets, which can takeoff and land vertically (like the Harrier ...
12
votes
5answers
5k views

Why don't fighter jets take off vertically?

I've heard the claim repeated many times that some modern fighter jets have an installed thrust greater than their weight, so theoretically they could accelerate straight up. I've never actually ...

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