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xxavier
  • Member for 8 years
  • Last seen this week
  • Madrid, España
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Retired. Flying a light plane and an autogyro.

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Top posts
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56
Is lift in fact a kind of drag?
Sep 7, 2018
37
Why do planes fly at a high angle of attack when flying slow?
Sep 1, 2021
27
What is the smallest manned aircraft with four engines?
Sep 22, 2017
25
Would it be feasible to build a jet fighter plane based on a wooden construction?
Oct 7, 2017
24
Why is the ratio maximum range speed/maximum endurance speed the same for any airplane?
Mar 20, 2017
24
What is the largest taildragger in history?
Nov 8, 2017
23
Does lift equal weight in a climb?
Jul 12, 2017
18
Can a passenger drone perform auto-rotation?
Apr 24, 2017
18
Which commercial aircraft can stay in the air the longest?
Apr 30, 2017
18
Why are there different number of propeller blades on the inboard and outboard engines?
Dec 24, 2017
Top network posts
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22
Examples of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right
18
Was Jules Verne the first to propose the retro-rocket concept?
14
A dog who doesn't want to have a walk
10
How did Eratosthenes know the distance between Aswan and Alexandria?
9
Why were large solid-fuel rockets so rare in the past?