Questions tagged [f-22]

F22A Raptor Military Plane

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2
votes
2answers
265 views

Why doesn't the air force order more F-22's?

I've come across several articles touting the F-22 as the most formidable air-to-air killing machine to date, such as this one: https://nationalinterest.org/blog/buzz/f-22-nearly-unstoppable-air-...
2
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1answer
423 views

How is the F-22's nacelle/engine bay ventilated?

How is the aircraft skin around the engine bay in the F-22 cooled? As in the F-35, there are scoops below the wings, which provide ram air around the engine bay, but you don't see any scoop around in ...
2
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1answer
363 views

Why is YF22 designed with conventional rudders while YF23 with all-moving rudders?

Are all-moving rudders more stealthy? If so, how come YF22 which is just as fixated with rear body stealthiness as the YF23 comes with conventional ones? Also, all-moving rudders have fixed camber, ...
4
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0answers
434 views

Were RCS tests performed on the ATF YF-22/YF-23 prototypes?

I know that radar cross-section (RCS) tests were performed on geometric models of both the YF-22 and YF-23 prototype submitted for the Advanced Tactical Fighter (ATF) competition, but were the same ...
11
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2answers
10k views

Why do the F-22 and F-35 look similar to each other and different from previous designs?

Is there a reason the F-22 and F-35 look very similar other than style, they look very different to F-16s so is there a conscious effort to make them look cool?
5
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1answer
1k views

How does the Pratt & Whitney F119 achieve its features?

The Wikipedia article on the Pratt & Whitney F119 that powers the F-22 says the following: The high pressure and low pressure turbines are single stage and counter-rotating, thus shortening ...
16
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2answers
12k views

Do F-22's use cartridge start to start engines?

What method does the F-22 use to start its engines? In the video below, you can see a flap open and flame and steam shoot out as the engine starts to spin up. Is this an example of cartridge start? ...
15
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4answers
8k views

Why is Russian super-maneuverable thrust vectoring more prevalent than American?

Based on the sheer number of super-manouverable thrust vectoring Russian fighter jets, it seems that Russia has put more effort into developing thrust vectoring for enhanced maneuverability than the ...
0
votes
2answers
1k views

What is the pressure distribution around a supersonic wing?

In subsonic flight the lift manifests itself at 25% of chord, but shifts to 50% of chord when the airplane goes supersonic. Wondering about that made me think that the reason might be that there is ...
4
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1answer
9k views

Why does the canopy of the F-22 Raptor have a golden tinge? [duplicate]

Why is gold used in the canopy of the F-22 Raptor?
9
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4answers
5k views

Why do the F/A-18 and the F-22 Raptor have horizontal stabilizer as well as canted rudders for pitch control?

F/A-18, F-22 Raptor have a horizontal tailplane as well as canted rudders? Why can't the horizontal tailplane done away with (as in the F-117) and have only the ruddervators for pitch control?
25
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2answers
5k views

What is this red canister on the tail of the YF-22?

On the tail section of the YF-22 further back in the image below, there is a red canister. What is that canister for? I suppose it is for some flight testing purposes from what I can see. I can't ...
10
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1answer
2k views

What is the feasibility of converting an F-22 to carrier use?

I read that the Navy originally considered to use the ATF(Advanced Tactical Fighter) Programme aircraft (Now known as the F-22) as carrier aircraft but declined to do so when it came out. How feasible ...
7
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1answer
4k views

Why does the F-22's wing give it such great maneuverability?

An F-22's wing is much different than a wing like the one on the F-16. This an F-16 wing design: (Source: www.aviastar.org). This is an F-22 wing: (Source: s3.zetaboards.com) There is a ...
4
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0answers
390 views

Why developing F-35 is harder than F-22? [closed]

I'm sorry if I'll be not so accurate in my description but, please, try to understand "core" of my question. F-22, ignoring high cost of each aircraft, appear to be a successful project, developed ...
7
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2answers
7k views

Advantages of square over circular engine nozzle?

The F-22 has square nozzles, while the Russian Sukhoi PAK FA has circular nozzles. There are both 5th generation planes, but with different nozzles, why?
11
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2answers
1k views

What are the flaps on the exhaust of military airplanes for?

I have been looking over some pictures of military airplanes, and I noticed that some of the more modern air planes have flaps on the exhaust I was wondering if anyone knew what the purpose of the ...
6
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1answer
2k views

What trade-offs are being made in the design of the planform alignment of stealth aircraft?

Stealth technology uses angles in the aircraft shape, and homogeneous orientation of the surfaces. In the F-22A Raptor wing leading edges, tail surfaces, air intake bypass doors, refueling aperture, ...
15
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3answers
3k views

How can you stop your missile locking onto a friendly target?

In the modern day we have advanced planes, and advanced missile systems, however, how can you stop your missile firing at a friendly aircraft? In planes like the F22 Raptor you can turn on sight lock,...
17
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4answers
10k views

How fast can an F-22 scramble?

The startup process in many military aircraft is, complicated, to say the least. It takes a lot longer than most would think. An F-16 from cold is required to be able to scramble within 5 minutes if ...
16
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1answer
2k views

Does the F-22 (or any other stealth aircraft) carry chaff?

Considering it is nearly undetectable on radar, it seems like it wouldn't have to worry about radar guided missiles; in addition to this it is sure to have sophisticated jamming capabilities. So why ...