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Fred
  • Member for 4 years, 2 months
  • Last seen more than a month ago
9 votes
4 answers
2k views

Does a v-tail offer true 3 axis control in all areas of a basic flight envelope?

8 votes
3 answers
1k views

Why don't ailerons affect pitch?

2 votes
2 answers
1k views

Can an ultralight be flown at night or IFR?

2 votes
3 answers
1k views

Do twin engine airplanes have increased roll stability?

2 votes
3 answers
1k views

What is the minimum speed a glider can thermal at?

0 votes
3 answers
975 views

What is the minimum glide ratio of a motorized glider?

3 votes
1 answer
902 views

Which prop location creates more lift? Leading edge or blown flap?

0 votes
2 answers
901 views

How do airplane designers determine flap deflection angles for flaps of various % wing chords?

2 votes
2 answers
861 views

What are the disadvantages of a tailless ultralight design?

4 votes
1 answer
829 views

Is Rutan's method of foam core construction obsolete?

1 vote
3 answers
754 views

With 77% less wing area than the Lazair Ultralight, how does the Blackfly meet FAA ultralight category requirement of power off stall speed of 28mph?

3 votes
3 answers
603 views

Why don't aircraft owners put vortex generators on the top of their flaps to extend single flap lift creation past 40 degrees?

2 votes
2 answers
598 views

Cascading Wings: Do they really increase lift by 300%?

2 votes
2 answers
559 views

Do motor glider pilots ever "cheat" and use their motors to thermal?

8 votes
1 answer
525 views

May a US citizen fly a US ultralight into Canada?

1 vote
3 answers
515 views

The NASA X-57 uses 12 electric motors for takeoff. Does it need 12 control levers or just one?

1 vote
2 answers
476 views

What is the best prop location for distributed propulsion - pusher, tractor or blown flap for an ultralight?

0 votes
1 answer
457 views

New Research: VGs increase lift to drag ratio up to 880%. Does it work for flaps too?

2 votes
3 answers
453 views

How does washout increase static pitch stability in subsonic swept wings?

2 votes
1 answer
443 views

Why does the NASA X-57 need a "gust control system"?

3 votes
1 answer
428 views

Is the Bede BD5 actually a tandem wing airplane, and not a mono wing?

1 vote
2 answers
340 views

Do biplanes need bigger tail volume coefficients than monoplanes?

0 votes
2 answers
333 views

If "all flying rudders" for LSA aircraft need up to 40% less area, what about "all flying elevators (stabilators)"?

2 votes
1 answer
331 views

Would plain and slotted flaps increase lift substantially in a distributed propulsion application?

1 vote
2 answers
311 views

Is there any benefit to sweep back on an ultralight?

2 votes
1 answer
309 views

Is NASA's X-57 using a fan, a prop, or a prop/fan and what is the difference visually/physically?

0 votes
1 answer
307 views

Is designing a small GA airplane with a wing loading of 20-25 lbs/sq ft a bad idea, or is that wing loading too high? [duplicate]

2 votes
3 answers
288 views

Can control surfaces for slow aircraft be 3D printed?

5 votes
2 answers
269 views

Do pilots ever intentionally land a monowheel glider on the main wheel and a wingtip wheel in crosswind conditions?

0 votes
1 answer
261 views

Is it fairly common for student glider pilots to have wing tip strikes, especially in gusty cross wind conditions?