Questions tagged [vtol]

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

6 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
8
votes
1answer
266 views

Why is the F35B's elevator not in neutral position when in vertical flight mode?

I was watching videos of F35B taking off and landing vertically on ships when I realized that when transitioning from horizontal to vertical flight mode (I don't know the exact vocabulary to describe ...
5
votes
3answers
410 views

How to calculate lift and drag coeffecients for VTOL aircraft in the takeoff stage?

How would I calculate CL and CD for a VTOL aircraft while it is in it's takeoff/landing stage? The particular aircraft is a fixed wing/quadcopter hybrid so I know that I can treat this as a thin ...
1
vote
4answers
276 views

How do STOVL and V/STOL aircraft differ?

Wikipedia's page for STOVL begins with A short take-off and vertical landing aircraft (STOVL aircraft) is a fixed-wing aircraft that is able to take off from a short runway (or take off vertically ...
1
vote
0answers
133 views

What are the effective span and lifting properties of a circular wing?

Today I read an article on FlightGlobal about the Bell air taxi demonstrator. It includes some paraphrased quotes from the Bell VP of innovation, Scott Drennan, among which the following stood out: ...
1
vote
0answers
99 views

How much lift can be generated by the intake lip of a duct?

How to calculate the extra lift gained by the intake lip of a duct? Aside from improving efficiency by preventing tip vortices, if a duct has a bell-shaped intake, this lip around the edge creates ...
0
votes
0answers
51 views

Will this thick annular wing have a nose-up pitching moment in tilted forward flight?

As you know, a ducted fan/propeller (Figure C) has a strong tendency to pitch the nose-up during "tilted " forward flight due to the front part of ductlip itself generating more lift. Thus any ...