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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?

6 votes
1 answer
466 views

Can a US citizen fly a US ultralight into Canada?

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?

4 votes
1 answer
826 views

Is Rutan's method of foam core construction obsolete?

4 votes
0 answers
206 views

Can one presently register a new flying car in the US as an aircraft and as an automobile?

3 votes
1 answer
428 views

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

3 votes
3 answers
602 views

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

3 votes
1 answer
902 views

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

3 votes
1 answer
221 views

Would a 2nd row of distributed props on a 2nd staggered wing of a biplane increase its efficiency?

2 votes
2 answers
179 views

How does distributed propulsion work in a pusher configuration?

2 votes
3 answers
1k views

What is the minimum speed a glider can thermal at?

2 votes
2 answers
859 views

What are the disadvantages of a tailless ultralight design?

2 votes
2 answers
598 views

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

2 votes
3 answers
1k views

Do twin engine airplanes have increased roll stability?

2 votes
3 answers
288 views

Can control surfaces for slow aircraft be 3D printed?

2 votes
1 answer
171 views

Would using a full span spoiler and a separate flap be a better design than a flaperon for a STOL ultralight?

2 votes
1 answer
330 views

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

2 votes
1 answer
442 views

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

2 votes
2 answers
558 views

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

2 votes
0 answers
83 views

Can free flying twin drag rudders be mounted on a stabilator, aerodynamically speaking?

2 votes
3 answers
449 views

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

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?

2 votes
2 answers
1k views

Can an ultralight be flown at night or IFR?

2 votes
1 answer
217 views

Are shrouds and stators needed to maximize thrust from stacked props and motors in electric aircraft like the Lilium Jet?

2 votes
1 answer
211 views

Are vortex generators considered high lift devices on US ultralights?

1 vote
1 answer
125 views

Can a pilot drive an ultralight with folded wings on the shouder of a country road

1 vote
3 answers
753 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?

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
0 answers
49 views

Does momentum theory include deflected slipstream thrust lift at high alpha?