Linked Questions

33
votes
6answers
19k views

Can jet airplanes operate on 'rough' airfields?

A question I've always wondered is: can jet aircraft - not turboprop in this case - operate from 'rough' airstrips. My definition of 'rough' is grass or maybe a smooth mud airfield. I know that there'...
15
votes
3answers
10k views

What are the concerns and consequences of an overweight landing?

If a 777 ER has to immediately land after takeoff on a planned 14,594 km trip (in the case of a fire, e.g.), the landing will be executed with a very heavy aircraft. What are the major concerns of ...
12
votes
2answers
627 views

What would happen if an aircraft were to touch down on EMAS?

What would happen if a jet (say, a A330) were to touch down on the Engineered Materials Arrestor System (EMAS) just before the runway, instead of on it? According to the FAA the EMAS is designed to "...
7
votes
2answers
6k views

What is the typical weight distribution ratio between nose gear and main gear?

On an airplane with tricycle gears, the main gear supports most of the weight and is therefore the strongest. The nose gear prevents the nose tipping down, since the center of gravity is forward of ...
8
votes
1answer
1k views

Does the 747-8 / A380 nose-wheel encounter more weight during braking?

Given that the nose wheels of both the Boeing 747-8 and Airbus A380, as is true for almost all aircraft, are not equipped with brakes, do they encounter more weight during braking? If so, how much ...
8
votes
3answers
2k views

How much force are large aircraft brakes able to exert?

In a comment left on my answer here Jan Hudec says: Note that usually on dry surface the brakes exert much less force than the tires could handle. This got me wondering how much force large ...
5
votes
2answers
7k views

How can I calculate the force on the nose gear at landing?

How can I calculate the force applied on nose gear during landing as nose gear touches the runway little after the landing gear? I understand force calculations in this question but I think it applies ...
4
votes
1answer
3k views

What is the stress tolerance of landing gear of commercial aircraft?

Context: The landing skills of commercial airline pilots vary widely -- ranging from the ability to routinely make feather-touch landings and taxi and almost imperceptible deceleration on the one hand,...
6
votes
3answers
795 views

Is it feasible to replace brakes on airplanes with electric motor/generator?

Would it be feasible to replace the brakes on airplanes with electric motor/generator drive systems? There are two problems I see with airplanes. When they land, the tires are not spinning to match ...
4
votes
2answers
1k views

What are the advantages and disadvantages of having a single castor wheel as compared to 2 wheels in an airship?

I am working on a project to create a mid-size airship having a payload of 25kg. I am in a bit of problem regarding choosing the appropriate landing gear design for it. Which design would be better, ...
2
votes
2answers
2k views

How would we calculate the load factor on an aerial vehicle while landing due to sudden gust loads?

In order to design the landing gear (wheels and suspension) of our model Airship, [say "m" kg -expected mass], I wanted to know, is there any way to calculate the loads which might be experienced by ...
6
votes
1answer
1k views

What is the maximum weight on the main gear of a large aircraft at rotation and touchdown?

For a large aircraft like a B747 or A380, how much does the weight on the main gear increase when the nose gear is in the air? I mean, in these two cases: What is the maximum extra weight on the main ...
1
vote
1answer
413 views

How to determine the maximum servo torque required for a nose gear?

It's pretty much it. I know how to calculate the friction force on the nose gear for a three-point landing condition using the method set forth in ...
1
vote
2answers
245 views

Are there specific mass breakdowns for aircraft?

I am interested in the engineering and weights for aircraft around 8,059 lb (3,655 kg) Citation 505) and 18,900 lb (8,570 kg F-16). Curious about specifically structural mass and landing gear ...