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Questions tagged [jet]

*Jet* is a generic, informal term for an aircraft with jet propulsion. In a civilian context it may refer to an airliner or small private jet.

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Typical burner/combustor dimensions of a jet engine

I know that sounds very generic but lets say for a common engine of a passenger airplane. What could be the typical dimensions for the burner part. I can't find anything online. Thanks.
ChrisP's user avatar
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2 votes
1 answer
298 views

Why would an F16 battery make a buzzing sound?

According to this YouTube Video I heard the mechanism that moved the canopy, and then I heard a small buzzing sound. The video description says that it is spooling something, but I don't know what ...
HeavenlyHarmony's user avatar
0 votes
2 answers
323 views

Did the Soviet Union build any commercial jetliners?

I read about a Wikipedia article regarding the Soviet Union's Tupolev 114 which was comparable to the time's jetliners, and brought up the question: Did the Soviet Union build any jetliners for ...
Super's user avatar
  • 1,293
3 votes
1 answer
2k views

What are the pros and cons of high service ceilings for fighter jets?

What are the pros and cons of high service ceilings for fighter jets? Can they bypass radars and attack effectively at high ceilings?
Swapn's user avatar
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7 votes
1 answer
825 views

Is there a minimum number of people needed for an aircraft pushback?

This seems a bit wasteful. Is there a legal requirement for a minimum number of people and if so, on what basis does this vary? (airline, airport, aircraft type, etc)
wireman's user avatar
  • 173
53 votes
5 answers
19k views

Locked out of private jet - how do you get in?

Ok I'm not a jet owner, I'm a novel writer. I wanted to get my airplane facts right for the story. Say my character has a mid-size (can go overseas) private jet. Has a door lock on the outside door ...
Angela's user avatar
  • 351
2 votes
2 answers
1k views

Why do jet nozzles close at different rates?

After recently seeing the trailer for Top Gun 2, I was reminded of something that I always wondered about: why do the nozzles of some jet aircraft seem to close at different rates? Sure, it's likely ...
F16Falcon's user avatar
  • 395
4 votes
4 answers
1k views

How to start up a Lockwood-Hiller Valveless Pulse Jet?

So me and my group mates in university got a lockwood hiller valveless pulsejet manufactured, and there was one error in manufacture. We are having trouble with trying to start the engine as ...
Ali Al Kayyali's user avatar
2 votes
1 answer
487 views

Is there an equation for jet engine efficiency as a function of turbine inlet temperature?

I know that there is a relation between the turbine inlet temperature and the engine's efficiency. But, can anyone provide an equation or efficiency as a function of just the turbine inlet temperature?...
mani shekar's user avatar
2 votes
3 answers
233 views

Why are the first sounds of an approaching enroute airliner low frequency, booming ones?

Often I will hear an intermittent, low frequency, powerful, booming sound that resolves into that of an airliner flying enroute high (FL 300+) overhead. So the first sounds that an airliner flying ...
Don Slowik's user avatar
7 votes
1 answer
9k views

Why is this missile positioned in this odd position? How can it be launched correctly?

How this missile is positioned here in this odd position? How this can be launched right from this jet?
keshto pat's user avatar
1 vote
0 answers
502 views

what is the physical explanation for additive drag?

from what i understand, additive drag is not really drag. it is a way to account for the variation of inlet condition due to conservation of mass. but i still don't get why it create drag(negative ...
toshi ba's user avatar
  • 411
4 votes
2 answers
239 views

How can the effects of hot corrosion and salt deposits from sea water spray in gas turbine engines be negated/prevented?

In aircraft operating in a maritime environment, corrosive effects from salt water are common. Are there any specific coatings used in engines for such aircraft? If so, which are they? How frequently ...
Marc's user avatar
  • 41
5 votes
1 answer
2k views

What do those writings mean that are on the landing gear doors?

I've been watching carrier videos a lot these days and I notice these writings. What do these writings means? I didn't upload all of them, most of the time there are location names and sometimes ...
baba yaga's user avatar
  • 141
21 votes
4 answers
6k views

What kind of jet plane is this?

The cockpit can hold one person, is smaller than a compact car and as narrow as a motorcycle. What kind of plane is this and how hard would it be to fly?
Muze's user avatar
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1 vote
1 answer
268 views

Is it possible to obtain an STC for single-pilot ops in a jet certified for two pilots?

I have been doing research on whether or not one could realistically obtain an STC for a super-midsize jet certified for two pilots and legally fly it single-pilot. For reference, my chosen aircraft ...
Luke's user avatar
  • 11
0 votes
1 answer
153 views

Does the canard config have radically different controls than classic config?

Classic configuration is something like the A320: wings in the middle, horizontal stabilizers at the tail. Canard configuration is something like the Beechcraft Starship: wings at the back and ...
DrZ214's user avatar
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2 votes
3 answers
332 views

Could wing tilting be a mechanism for VTOL and high angle of attack for jetliners? [closed]

My question is about turbofan airliners, could an airplane tilt its wings 90 degrees so that the fuselage horizontal axis is perpendicular to the longitudinal axis of the turbo fan. This way an ...
roma salah's user avatar
4 votes
0 answers
89 views

Does/Can combustion instabilities occur in SCRAM jet?

I was told that combustion occurs at Supersonic speeds in SCRAM jet. So acoustic disturbances/ pressure fluctuations can't travel into incoming jet stream. Does this avoids combustion instabilities in ...
SRD's user avatar
  • 383
2 votes
2 answers
6k views

How much does it cost to lease a jetliner?

As the title says, how much would it cost to lease a airplane for an airline. Let's say a B737 and a B747 or similar aircraft. I tried to contact several aircraft leasing companies but so far I've ...
Martijn Vissers's user avatar
1 vote
3 answers
499 views

What is the lightest jetliner out there?

What is the lightest commercial jetliner out there? I was thinking of something like a Embraer E170.
Boeing737's user avatar
  • 343
1 vote
1 answer
794 views

Can the maximum thrust of a turbofan engine be estimated by its intake diameter?

I have no clue in aeronautics. How to estimate maximum thrust (at any rated condition, such as altitude, speed, rotation velocity- any given condition) by intake diameter?
Gregory Kornblum's user avatar
3 votes
1 answer
333 views

Are there reference speeds like V1, Vr or V2 for a touch and go procedure?

Are there any reference speeds like V1, Vr and V2 on a touch and go procedure? During takeoff, these are used to mark certain states of the takeoff, including the speed at which the aircraft starts ...
Ygor Montenegro's user avatar
6 votes
4 answers
3k views

What are the advantages/disadvantages of in-fuselage engines (eg most fighter jets) vs wing/fuselage mounted engines?

Most modern jet fighter designs incorporate their engine(s) within the fuselage, while most other medium/large aircraft mount them either under the wings or on the rear fuselage. What are the ...
Ketan Rajan Singh's user avatar
1 vote
1 answer
9k views

What is this yellow tube blowing air? [duplicate]

What is this yellow tube (lower right quadrant of the picture) which is blowing air into the airplane while it's at the terminal? You can see the open hatch on the bottom of the jet through which it's ...
Matt Thomas's user avatar
1 vote
1 answer
191 views

Who made the first high-wing jet airliner?

I thought the only high-wing jet airliners were made by the Soviets but the British Aerospace RJ-100 and Dash 6 series twizzled my mind. So who made the first high-wing jet airliner?
Delta Oscar Uniform's user avatar
4 votes
3 answers
6k views

Are modern fighter jets bulletproof and armored?

Are modern fighter jets bulletproof and armored? One would not be wrong given part of their operations is being on the receiving end of enemy ammunition shooting at them.
securitydude5's user avatar
6 votes
1 answer
1k views

Can anyone identify this jet?

I took the picture in 2011 at McCarran.
user36454's user avatar
2 votes
0 answers
112 views

Would it be possible to start a modern airliner from cold & dark during flight? [closed]

Imagine a suicidal pilot or disturbed passenger who gets access to cockpit, messes with the buttons. He shuts down engines, IRS, and battery, it's the middle of the night at cruise altitude. Would it ...
rick's user avatar
  • 21
0 votes
0 answers
93 views

Are there any feasibility studies or research regarding the possibility of using Jet A in tropical countries?

Based on the ASTM D1655 standard specification for turbine fuels, the only difference between Jet A and Jet A-1 is the freezing point. Max [min?] -40 degrees Celsius (-40° F) for Jet A and max -47 ...
arsenalist's user avatar
4 votes
1 answer
665 views

Is there a significant difference between the jet blast from Airbus and Boeing?

I am looking up for jet blast data and there are not much information in the net. One of the main references I can found are the Airport Planning of each aircraft. From these can be obtained that the ...
Aeroturned's user avatar
0 votes
2 answers
3k views

How do they fill fuel in big aircraft?

Being a passenger, I usually will have view from only one side of these planes and hence don't know if same thing is happening on other side of the plane. I have observed hoses connected to wings, but ...
user871199's user avatar
  • 1,817
1 vote
1 answer
4k views

Are turboprops less safe then jets?

On a recent trip to an airport, I noticed a large number of Bombardier Dash 8s. I wanted to know - are turboprops less safe than traditional jets like the 737 or A320? For instance, I would imagine ...
Cloud's user avatar
  • 13.6k
1 vote
2 answers
2k views

What is the cheapest plane one can buy to fly above Mach 1 and be able to pull 8g plus?

Which plane would you suggest for someone who would like to be able to fly fast enough to break the sound barrier, yet also be able to pull lots of Gs? What would be the price of such a plane, and ...
Vasilis M's user avatar
4 votes
3 answers
2k views

Why does load shedding still occur in jetliners (e.g., 787) when there is so much power available?

I had a few questions about how electrical generator works on an aircraft, the 787 to be specific although I know it is similar for all aircraft. So the 787 engines have 2 VFSG each which are rated ...
fsxflyer789 Productions's user avatar
4 votes
2 answers
3k views

Is there an aircraft that can go supersonic at sea level without using afterburner?

Is there an aircraft that can go supersonic at sea level without using afterburner? Quick look through the "supercruise" capable aircraft might be helpful in narrowing down the possibilities, though I ...
Francis L.'s user avatar
  • 2,514
0 votes
1 answer
377 views

How does Boeing Deliver single aisle jets to South east Asia? [duplicate]

I am not sure if they can fly on full tank gas to their destination (say India or Thailand), but how does Boeing deliver single aisle jets to these destinations. I read somewhere about the process of ...
rvphx's user avatar
  • 277
2 votes
1 answer
887 views

What kind of jet fighter is this?

I visisited Tirana, Albania the first week in August. Outside a shopping mall called "TEG" there was an old jet fighter on display. I can't recognise what make and model this is. Can anybody here help ...
Thomas Gabrielsen's user avatar
0 votes
2 answers
606 views

Is it possible to power a very small jet using batteries? [duplicate]

I have read a lot of answers on batteries powering large commercial jets, and how it won't work. However, for a small jet like the Honda jet, would it be possible for it to be powered completely by ...
alex's user avatar
  • 1
5 votes
2 answers
817 views

How significant is the lift induced drag contribution to total drag of aircraft at cruise speed?

How significant is the lift induced drag contribution to total drag of aircraft at cruise speed? From what I've learned so far it seems to be around 10 to 15 percent of total drag. I suspect the ratio ...
Francis L.'s user avatar
  • 2,514
3 votes
4 answers
4k views

What drives the shape of an engine's intake on a fighter jet?

Rectangular intakes have more corners which might increase subsonic pressure losses and would weigh larger than a pitot (Semi-circular) type intake. Are the designer drivers solely based on supersonic ...
jetlight's user avatar
6 votes
2 answers
5k views

Why does the diffuser section generate thrust in a jet engine?

I am studying the thrust distribution of jet engines. But I'm now a bit confused. In Rolls-Royce's "The Jet Engine" book, http://aeromodelbasic.blogspot.com/2012/05/thrust-distribution-distribution-...
Jono's user avatar
  • 161
7 votes
2 answers
5k views

What is the horizontal stabilizer failure procedure?

During the final flight of Alaska Airlines Flight 261: The CVR transcript reveals the pilots' continuous attempts for the duration of the dive to regain control of the aircraft. At one point, ...
Cloud's user avatar
  • 13.6k
4 votes
2 answers
1k views

Why is there still a preference for turboprop airliners over the new regional jets? [duplicate]

In the 1950s and in the early 1960s, jets were mostly available as fighter/military or big, long haul aircraft. Regional aviation was based primarily on piston aircraft that could operate in smaller ...
Eduardo Cola's user avatar
13 votes
3 answers
4k views

Why didn't early jetliners use turbofans?

For subsonic operation, high-bypass turbofans seem to have essentially only advantages for efficiency, noise and takeoff thrust, at least until they reach the size where ground clearance or LP/fan ...
Talisker's user avatar
  • 629
14 votes
1 answer
4k views

What is this aircraft seen at Peachtree City, GA?

Sorry for the poor quality, but this jet was taking off from Peachtree City Regional on Sunday 13 May. Anyone know the aircraft?
KokomoTerror's user avatar
3 votes
1 answer
3k views

Is military grade jet fuel more expensive than civilian grade?

Is military grade jet fuel more expensive than civilian grade? Why are governments moving away from military grade jet fuels?
seherz's user avatar
  • 31
1 vote
2 answers
411 views

Is making faster military fighters even practical?

I was curious after reading a book on Cold War plane development about the Soviet ideology of making increasingly powerful jets that could break Mach 3 and so on. With the advent of BVRAAM's such as ...
Jihyun's user avatar
  • 1,289
9 votes
2 answers
5k views

How are military jets given official names?

How is a military jet given a nickname? Does the manufacturer name the plane? For example, did Lockheed Martin name the Raptor (F-22) and Lightning II (F-35)?
Dan Sorensen's user avatar
3 votes
1 answer
598 views

How does jet training work for private pilots? Are there jet trainers?

For a private pilot (not an ATP) that wants to get ratings for jets, how does that work? What kind of training aircraft is used typically?
Tyler Durden's user avatar
  • 13.3k