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Results tagged with aircraft-design
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user 72
Questions about the different choices that aircraft designers (typically aerospace engineers) make in order to create an aircraft.
10
votes
1
answer
2k
views
How exactly is the 51% rule applied for amateur-built aircraft?
I understand that for an amateur-built that you are required to build at least 51% of the aircraft yourself, but how can there be kits which appear practically completed, just some quick assembly jobs …
- 10.5k
7
votes
3
answers
5k
views
What's the minimum roll rate a commercial airliner would have with maximum aileron deflection?
If the maximum aileron deflection possible was commanded on a commercial airliner, how fast would the aircraft roll?
I don't think there's many reasons to bank a large aircraft quickly, but what I wa …
- 10.5k
20
votes
3
answers
21k
views
What dictates the aspect ratio of an aircraft's wing?
When designing an aircraft, there has to be a decision as to the aspect ratio of a wing. It's been said that having a higher aspect wing will reduce drag for the same wing area, however most of the ti …
- 10.5k
20
votes
Why is "heavy braking" recommended in an aircraft with carbon fiber brakes in order to preve...
The amount of time spent on the brakes is the most important thing which dictates the wear of carbon brakes, not the amount of energy put into them (which is the case with steel brakes).
By braking h …
- 10.5k
29
votes
Accepted
Why do some aircraft have multiple ailerons per wing?
General Reasons
There are three main reasons for having multiple ailerons per wing on large aircraft:
Aileron Reversal
On a large aircraft, at high speeds a deflected aileron can twist the wing eno …
- 10.5k
15
votes
Accepted
What is the benefit of spoilerons compared to ailerons?
Two reasons often-cited for having spoilerons:
better roll control (especially during stall)
doesn't take up space for flaps
Because of their location, they don't need to take up space which could …
- 10.5k
28
votes
Accepted
What happens when an airplane gets struck by lightning?
The vast majority of aircraft require an inspection, from small Cessna singles to Boeing airliners. Usually, they require at the very least:
A visual inspection of the aircraft for damage, particula …
- 10.5k