*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.
0
votes
1answer
147 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 ...
2
votes
1answer
244 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 ...
0
votes
2answers
176 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 ...
1
vote
0answers
119 views
How far away can a person see an aircraft? [closed]
Do you know (scientifically) how far away can a normal person (with 12/12 or 6/6 or 20/20 vision) see an aircraft on a clear day (no cloud, no rain, during the day, not at night)? I'm asking about the ...
3
votes
2answers
87 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 ...
3
votes
4answers
305 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 ...
2
votes
2answers
177 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-...
6
votes
2answers
2k 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, ...
4
votes
2answers
176 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 ...
12
votes
3answers
3k 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 ...
15
votes
1answer
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?
3
votes
1answer
375 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?
1
vote
1answer
191 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 ...
9
votes
2answers
436 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)?
2
votes
1answer
146 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?
1
vote
1answer
107 views
What type of batteries are used in airline planes? [closed]
In Embraer 145 and Boeing 777
I mean material, recharge cycle, nominal current and voltages. From the comments I don't understand the difference if the plane is turboprop or turbofan.
8
votes
2answers
2k views
What is the typical voltage used on jet airliners?
I have seen several parts that use 28 Volts DC, is this a standard for jet airliners (e.g., Airbuses and Boeings).
3
votes
5answers
424 views
What is the lightest weight operational jet/turboprop fighter ever deployed in combat?
Since the beginning of WWII there was been a trend towards larger fighter aircraft. In about 1960 the United States continued with larger fighters (F4, F100, F111, F15) but also started a branch of ...
15
votes
3answers
2k views
What fighters have both 1 & 2 engine versions?
Northrop originally built the F-5 "Freedom Fighter" (and T-38 "Talon") with two engines. Later it was re-fitted with a single F404 engine from the F/A-18, re-designating it the F-20 "Tigershark" to ...
0
votes
1answer
116 views
Are there any calculations involved for designing pulse jets? [closed]
Are there any requirements for calculations to determine things like exhaust length, combustion chamber size, etc? Also, does the end of the combustion chamber need to be a semi-sphere, or can it be ...
5
votes
6answers
364 views
Why mount multiple autocannons on a fighter or CAS aircraft as opposed to a revolving barrel auto-cannon with a higher rate of fire?
Why would one design an aircraft with multiple chain guns instead of a single large rotary cannon, like the GAU-8 Avenger, and similar weapons?
47
votes
9answers
20k views
Why don't aircraft use nuclear propulsion?
Nuclear propulsion research for aircraft was abandoned during the 50's.
Why wasn't it revived ever?
20
votes
4answers
5k views
What is the smallest manned jet aircraft?
In the movie Spy Kids (2001), there is a scene where the characters board a small jet aircraft "built for one passenger". The aircraft is about 2 meters tall with a 3 meters wingspan, and features a ...
3
votes
1answer
2k views
What is the 0-60mph time of an aircraft carrier catapult?
Tesla's new Roadster is giving a 0-60mph time of 1.9 seconds. Truly ludicrous acceleration.
I was wondering how a fighter jet released from a steam catapult compares.
1
vote
0answers
95 views
Why were 'business jet' airliner designs so popular in the past? [duplicate]
Let's look at the MD-83 (was Microsoft too poor or they lazily didn't want to waste time to make it flyable in FS2004/FSX?) and the Learjet 35 (yes I used FS95/FS98 in the past).
Now, there are some "...
6
votes
1answer
845 views
Can an airliner land safely using only propulsion control?
In this amazing story ,after losing all hydraulic power of the aircraft , Captain Al Haynes guided the plane to the Sioux city, crashed but saved 185 of the 296 lives (United Airlines Flight 232-Sioux ...
22
votes
9answers
8k views
Would it be feasible to build a jet fighter plane based on a wooden construction?
I read about the de Havilland Mosquito recently and that it was a quite successful British bomber in WW2 due its lightweight wooden construction. As far as I understand it, usual planes at that time ...
5
votes
1answer
466 views
How does a jet fighter with water-skis land safely?
I just read about the Convair F2Y on the obvious encyclopedic site. It's a delta wing jet fighter from the 1950's, with hydroskis so it can take off and land on water.
Can such a landing be made ...
6
votes
1answer
431 views
How is the jet engine inlet danger area affected when airborne?
Boeing published engine hazard areas as shown below:
I am curious as to how the danger area is affected when the aircraft is in flight as the jet engine is still vulnerable to foreign object damage.
...
0
votes
1answer
226 views
Bypass ducts and spinning blades [duplicate]
I want to start out by saying these questions will make me look a fool but i simply haven't found answers for them anywhere so i'm hoping you could help me!
What is the purpose of bypass ducts? If ...
6
votes
2answers
161 views
Can wing clouds caused by a high angle of attack be recreated in a lab? Also, why doesn't this work for smaller wings (e.g. r/c planes)
Can this be recreated in a lab? Any equations would be helpful if so. Also, why doesn't this happen during high angles of attack on a smaller wing, such as that of an R/C plane?
1
vote
1answer
181 views
How much does a drag chute system weight?
How much weight does a drag chute add to a plane?
Let's take the Tu-114 as an example. This plane has a loaded weight of 68.1 tons (I could not find a max landing weight figure). I could not find how ...
5
votes
4answers
363 views
Were there any test flying incidents during which the pilots managed to escape the plane?
I am only asking about flight testing civilian jets, not military ones. I know that all test pilots have to be equipped with a parachute, so I wonder was there any incident where the test pilots and ...
0
votes
1answer
475 views
How small can turbojet engines be made whilst remaining fuel efficient, light, cheap, and producing enough thrust to carry a human, gas, and casing? [closed]
I've seen many videos of small turbojet engines (small enough to hold in your hands) that produce 30-40 pounds of force. If you mounted a couple of these on a small craft, that wouldn't even support ...
4
votes
5answers
414 views
Is there any flight school that uses jets as part of their training program?
Is there any flying school out there that use "jets" as part of their training program? I mean like a Cessna Citation or Phenom.
12
votes
1answer
2k views
How does a turbofan with afterburner continue to function in extreme humidity and rain?
From what I understand, the fan(s) collect(s) and compress(es) air into the compression chambers, where fuel is added to the air & combusted to create an even bigger pressure/thrust, right before ...
0
votes
1answer
248 views
What is this very distinct humming noise coming from the IAE-V2500 engines of the A320 during taxi?
So I am a huge fan of the A320, and in a less broader sense, the A320 with IAE-V2500 engines. Arguably the greatest engines in the industry with the greatest sound. However though, I've had a question ...
-1
votes
2answers
371 views
What was the first operational U.S. military jet fighter to fly at mach 2?
Was it the McDonnell Voodoo or the Lockheed F-104A?
3
votes
2answers
1k views
What would be the potential thrust of an “electric jet” like Lilium's?
Lilium claims to fly with "electric jets". Throwing out the debate over whether a non-combustion compression of a stream of air is a jet or only a ducted fan, what is the potential thrust each of ...
6
votes
1answer
840 views
What is this plane seen in Mobile, Alabama?
This was taken at the USS Alabama in Mobile, Alabama. It is probably a US Navy aircraft.
6
votes
1answer
387 views
What was the first fighter jet that utilised thrust vectoring nozzles?
What is the first fighter jet that utilised thrust vectoring nozzles?
0
votes
2answers
517 views
How to select a Lead In Fighter Trainer in the presence of both single engine and twin engine fighter jets? [closed]
A major part of fighter pilot training is learning the handling of the aircraft itself. On the other hand, automatic controls on modern fighter jets take away a lot of the pain and hassle. I am ...
2
votes
1answer
664 views
Where does the final cooling take place in the air cycle machine of the air conditioning system?
On aircraft with an ACM air conditioning, where does the final cooling take place? Is it in the ACM expansion turbine or in the ACM compressor?
13
votes
2answers
4k views
Which commercial aircraft can stay in the air the longest?
Which commercial aircraft, when fully loaded with fuel (and passengers and luggage up to its max takeoff weight), could stay in the air the longest without landing, and how long could it stay in the ...
4
votes
2answers
530 views
In a fighter jet, what is the average weight of the ejection system?
In the old days, pilots had only a parachute pack. (In the really old days they might not even have that.) They had to open the canopy manually and jump out.
Today, fighter jets have zero-zero ...
0
votes
0answers
201 views
Why is there such a difference between the study material for the FAA and EASA ATP knowledge tests?
What's the difference between the FAA & EASA ATPL written/knowledge test?
The FAA test seems way easier; you just study the Gleim which has 1650+ multiple choice questions and composed of 1,048 ...
1
vote
1answer
389 views
On a small/micro jet engine, can the turbine blades and vanes be made out of ceramic?
I am researching on how to make a small jet engine, and trying to figure out the materials for rotor and stator blades just after the combustion chamber so that they can hold up to the temperatures ...
-3
votes
1answer
168 views
Advice on making a jet engine [closed]
I'm a software engineer and recently want to make a jet engine myself. Since I am a newbie in this period, I want to know what basic knowledge is needed for making the engine. I wish to use it on my ...
4
votes
3answers
827 views
How does a jet fighter landing flare compare to a civilian plane?
How does a jet fighter flare compare to a civilian plane?
How low before flaring?
Do pilot keep track of pitch or AoA to know how much should be flared?
Is flare at last moment like in airliners, so ...
3
votes
2answers
836 views
Why do most commercial aircraft have their fuselage over the wing, instead of under? [duplicate]
Almost all commercial jets today seem to have the fuselage/cabin mounted above the wing, why is this? why isn't it mounted under the wing like some freight airplanes?
Example of fuselage on top of ...
