Why would a fighter use the afterburner and air brakes at the same time?What causes the sudden spool-up sound from an F-16 when enabling afterburner?How does flying with flaps differ from flying with airbrakes?Why do heavy bombers not carry air to air missiles?What are these boxes built into the tails of some fighters?Will afterburner work at settings less than full dry thrust?Why do military jets seem to always take off using the afterburner?Why does this regional jet have its air brakes wide open before touchdown?What effect would a afterburner have on the compressor if the nozzle outlet is not increased?What procedures are used for midair refueling without air supremacy?When, exactly, were the DC-8’s airbrakes removed?Do airplanes need brakes in the air?
Do one quarter of Swedes named 'Ali' have a criminal record?
How can medieval knights protect themselves against modern guns?
I peer reviewed a paper and found it to be sound - technically and language-wise. How should I write the review report?
Was Constantine The Great a Nicene Christian?
Birthplace vs living place
What does "Massage with salt" mean in a recipe?
What does "können" refer to in this sentence?
Align equalities using stackrel
Highest scoring words based on distance travelled along the alphabet
Is there any theory why (for Bitcoin) the discrete logarithm problem is so hard to solve?
Guard packadd to not load an optional non-existent package
What is the quickest way to raise Affection?
Why would a plane perform 360° turns to balance fuel on the ground?
What qualifies as the solving of a paradox?
What are the units of the product of two signals?
Is there a sonic boom when flying nearby?
Miniseries in post-rapture US with good/evil conflict
While I have six eyes, I don't need an optician
Why don't electrical receptacles have more than one ground?
Select polygons with 5 or more points
What is the difference between "cat < filename" and "cat filename"?
Suppose I capture encrypted data that I want to decrypt. Could I use a server farm to decrypt?
How can you weaponize a thermos?
Why do some planes have flashing lights within the plane cabin?
Why would a fighter use the afterburner and air brakes at the same time?
What causes the sudden spool-up sound from an F-16 when enabling afterburner?How does flying with flaps differ from flying with airbrakes?Why do heavy bombers not carry air to air missiles?What are these boxes built into the tails of some fighters?Will afterburner work at settings less than full dry thrust?Why do military jets seem to always take off using the afterburner?Why does this regional jet have its air brakes wide open before touchdown?What effect would a afterburner have on the compressor if the nozzle outlet is not increased?What procedures are used for midair refueling without air supremacy?When, exactly, were the DC-8’s airbrakes removed?Do airplanes need brakes in the air?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;
$begingroup$
I was looking for air brake pictures on different fighters, and then I saw a Tornado using afterburner and air brake at the same time! Air brake duty is to reduce speed, isn't it? So why would a fighter burn so much fuel to increase thrust and then use speed brakes simultaneously?
military afterburner airbrakes panavia-tornado
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
$endgroup$
add a comment
|
$begingroup$
I was looking for air brake pictures on different fighters, and then I saw a Tornado using afterburner and air brake at the same time! Air brake duty is to reduce speed, isn't it? So why would a fighter burn so much fuel to increase thrust and then use speed brakes simultaneously?
military afterburner airbrakes panavia-tornado
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
$endgroup$
add a comment
|
$begingroup$
I was looking for air brake pictures on different fighters, and then I saw a Tornado using afterburner and air brake at the same time! Air brake duty is to reduce speed, isn't it? So why would a fighter burn so much fuel to increase thrust and then use speed brakes simultaneously?
military afterburner airbrakes panavia-tornado
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
$endgroup$
I was looking for air brake pictures on different fighters, and then I saw a Tornado using afterburner and air brake at the same time! Air brake duty is to reduce speed, isn't it? So why would a fighter burn so much fuel to increase thrust and then use speed brakes simultaneously?
military afterburner airbrakes panavia-tornado
military afterburner airbrakes panavia-tornado
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
edited Sep 15 at 20:18
ymb1
86.8k10 gold badges273 silver badges453 bronze badges
86.8k10 gold badges273 silver badges453 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
asked Sep 15 at 20:09
Mamzi_PrMamzi_Pr
3451 gold badge2 silver badges4 bronze badges
3451 gold badge2 silver badges4 bronze badges
add a comment
|
add a comment
|
3 Answers
3
active
oldest
votes
$begingroup$
The first photo is from the Tornado Role Demonstration Team's display at RAF Leuchars in September 2012 (source).
That Sep '12 show or its preparation is on YouTube. Most of the instances of the air brakes as seen from the cockpit (looking behind) are followed by the swing-wing extending and the afterburner turning off (you can tell from the sound of the variable nozzle actuators).
While the photos are cool, I'd say it's just perfect timing before the pilot turned off the afterburner while slowing down.
Such example (above) can be seen after 7:40 in this video. Notice the wing position, and from the video notice the aforementioned sound once the wing is extended.
Another possible reason is slowing down for the spectators to see and hear the afterburner. That can also coincide with the fake bomb drop – a pyrotechnic wall of fire, the smoke of which can be seen in the first photo in the question (example below).
An RAF Tornado GR4 carries out a mock bombing run (BBC)
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
$endgroup$
add a comment
|
$begingroup$
Most jets with afterburner don’t have a fuel dumping system so when they need to reduce weight in a short time they use afterburner to attain a permissible landing weight. However using afterburner causes aircraft to go supersonic very quickly. So they use speed brakes to stay subsonic.
edited Sep 17 at 6:16
smci
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
$endgroup$
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
add a comment
|
$begingroup$
While the pictures above are most likely a result of the reason posited by ymb1 (showing off max blast while staying subsonic for the crowd), using afterburner with speedbrakes to reduce weight is a known practice in the fighter community, in line with Kolom's answer. Even if an aircraft is equipped with a fuel dump system, environmental restrictions and standard operating procedures limit the altitude at which fuel may be dumped; if already below that floor, using afterburner with speedbrakes extended is a practical way to reduce landing weight. I don't have any specific sources to cite, just drawing on my experience as a naval aviator.
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
$endgroup$
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
add a comment
|
protected by Ralph J Sep 17 at 16:17
Thank you for your interest in this question.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?
3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The first photo is from the Tornado Role Demonstration Team's display at RAF Leuchars in September 2012 (source).
That Sep '12 show or its preparation is on YouTube. Most of the instances of the air brakes as seen from the cockpit (looking behind) are followed by the swing-wing extending and the afterburner turning off (you can tell from the sound of the variable nozzle actuators).
While the photos are cool, I'd say it's just perfect timing before the pilot turned off the afterburner while slowing down.
Such example (above) can be seen after 7:40 in this video. Notice the wing position, and from the video notice the aforementioned sound once the wing is extended.
Another possible reason is slowing down for the spectators to see and hear the afterburner. That can also coincide with the fake bomb drop – a pyrotechnic wall of fire, the smoke of which can be seen in the first photo in the question (example below).
An RAF Tornado GR4 carries out a mock bombing run (BBC)
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
$endgroup$
add a comment
|
$begingroup$
The first photo is from the Tornado Role Demonstration Team's display at RAF Leuchars in September 2012 (source).
That Sep '12 show or its preparation is on YouTube. Most of the instances of the air brakes as seen from the cockpit (looking behind) are followed by the swing-wing extending and the afterburner turning off (you can tell from the sound of the variable nozzle actuators).
While the photos are cool, I'd say it's just perfect timing before the pilot turned off the afterburner while slowing down.
Such example (above) can be seen after 7:40 in this video. Notice the wing position, and from the video notice the aforementioned sound once the wing is extended.
Another possible reason is slowing down for the spectators to see and hear the afterburner. That can also coincide with the fake bomb drop – a pyrotechnic wall of fire, the smoke of which can be seen in the first photo in the question (example below).
An RAF Tornado GR4 carries out a mock bombing run (BBC)
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
$endgroup$
add a comment
|
$begingroup$
The first photo is from the Tornado Role Demonstration Team's display at RAF Leuchars in September 2012 (source).
That Sep '12 show or its preparation is on YouTube. Most of the instances of the air brakes as seen from the cockpit (looking behind) are followed by the swing-wing extending and the afterburner turning off (you can tell from the sound of the variable nozzle actuators).
While the photos are cool, I'd say it's just perfect timing before the pilot turned off the afterburner while slowing down.
Such example (above) can be seen after 7:40 in this video. Notice the wing position, and from the video notice the aforementioned sound once the wing is extended.
Another possible reason is slowing down for the spectators to see and hear the afterburner. That can also coincide with the fake bomb drop – a pyrotechnic wall of fire, the smoke of which can be seen in the first photo in the question (example below).
An RAF Tornado GR4 carries out a mock bombing run (BBC)
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
$endgroup$
The first photo is from the Tornado Role Demonstration Team's display at RAF Leuchars in September 2012 (source).
That Sep '12 show or its preparation is on YouTube. Most of the instances of the air brakes as seen from the cockpit (looking behind) are followed by the swing-wing extending and the afterburner turning off (you can tell from the sound of the variable nozzle actuators).
While the photos are cool, I'd say it's just perfect timing before the pilot turned off the afterburner while slowing down.
Such example (above) can be seen after 7:40 in this video. Notice the wing position, and from the video notice the aforementioned sound once the wing is extended.
Another possible reason is slowing down for the spectators to see and hear the afterburner. That can also coincide with the fake bomb drop – a pyrotechnic wall of fire, the smoke of which can be seen in the first photo in the question (example below).
An RAF Tornado GR4 carries out a mock bombing run (BBC)
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
edited Sep 15 at 21:40
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
answered Sep 15 at 20:54
ymb1ymb1
86.8k10 gold badges273 silver badges453 bronze badges
86.8k10 gold badges273 silver badges453 bronze badges
add a comment
|
add a comment
|
$begingroup$
Most jets with afterburner don’t have a fuel dumping system so when they need to reduce weight in a short time they use afterburner to attain a permissible landing weight. However using afterburner causes aircraft to go supersonic very quickly. So they use speed brakes to stay subsonic.
edited Sep 17 at 6:16
smci
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
$endgroup$
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
add a comment
|
$begingroup$
Most jets with afterburner don’t have a fuel dumping system so when they need to reduce weight in a short time they use afterburner to attain a permissible landing weight. However using afterburner causes aircraft to go supersonic very quickly. So they use speed brakes to stay subsonic.
edited Sep 17 at 6:16
smci
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
$endgroup$
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
add a comment
|
$begingroup$
Most jets with afterburner don’t have a fuel dumping system so when they need to reduce weight in a short time they use afterburner to attain a permissible landing weight. However using afterburner causes aircraft to go supersonic very quickly. So they use speed brakes to stay subsonic.
edited Sep 17 at 6:16
smci
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
$endgroup$
Most jets with afterburner don’t have a fuel dumping system so when they need to reduce weight in a short time they use afterburner to attain a permissible landing weight. However using afterburner causes aircraft to go supersonic very quickly. So they use speed brakes to stay subsonic.
edited Sep 17 at 6:16
smci
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
edited Sep 17 at 6:16
smci
1235 bronze badges
edited Sep 17 at 6:16
smci
1235 bronze badges
edited Sep 17 at 6:16
smci
1235 bronze badges
1235 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
answered Sep 15 at 20:50
KolomKolom
4196 bronze badges
4196 bronze badges
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
add a comment
|
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
3
3
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
$begingroup$
Hello Kolom, welcome to aviation.stackexchange.com. We are looking for answers that give a bit more background to the claim that is made, such as references or an explanation. Simple one liners are often not enough to cover the topic.
$endgroup$
– DeltaLima
Sep 15 at 21:10
8
8
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
$begingroup$
So you're saying its done for effect, to have the afterburner in operation while not going as fast as that would normally, say over an airshow.
$endgroup$
– Criggie
Sep 16 at 9:31
2
2
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
$begingroup$
Even if an afterburning jet has fuel dump capability, this is often rather slow and there may be environmental or airspace regulations prohibiting or limiting its use. In some aircraft, afterburner can get rid of fuel faster than the dump system, and using air brakes to manage speed is a practical strategy. We did this on the F-35 flight test program to save time during return-to-base, or to quickly achieve a target weight before a test run.
$endgroup$
– MikeB
Sep 17 at 23:13
add a comment
|
$begingroup$
While the pictures above are most likely a result of the reason posited by ymb1 (showing off max blast while staying subsonic for the crowd), using afterburner with speedbrakes to reduce weight is a known practice in the fighter community, in line with Kolom's answer. Even if an aircraft is equipped with a fuel dump system, environmental restrictions and standard operating procedures limit the altitude at which fuel may be dumped; if already below that floor, using afterburner with speedbrakes extended is a practical way to reduce landing weight. I don't have any specific sources to cite, just drawing on my experience as a naval aviator.
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
$endgroup$
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
add a comment
|
$begingroup$
While the pictures above are most likely a result of the reason posited by ymb1 (showing off max blast while staying subsonic for the crowd), using afterburner with speedbrakes to reduce weight is a known practice in the fighter community, in line with Kolom's answer. Even if an aircraft is equipped with a fuel dump system, environmental restrictions and standard operating procedures limit the altitude at which fuel may be dumped; if already below that floor, using afterburner with speedbrakes extended is a practical way to reduce landing weight. I don't have any specific sources to cite, just drawing on my experience as a naval aviator.
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
$endgroup$
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
add a comment
|
$begingroup$
While the pictures above are most likely a result of the reason posited by ymb1 (showing off max blast while staying subsonic for the crowd), using afterburner with speedbrakes to reduce weight is a known practice in the fighter community, in line with Kolom's answer. Even if an aircraft is equipped with a fuel dump system, environmental restrictions and standard operating procedures limit the altitude at which fuel may be dumped; if already below that floor, using afterburner with speedbrakes extended is a practical way to reduce landing weight. I don't have any specific sources to cite, just drawing on my experience as a naval aviator.
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
$endgroup$
While the pictures above are most likely a result of the reason posited by ymb1 (showing off max blast while staying subsonic for the crowd), using afterburner with speedbrakes to reduce weight is a known practice in the fighter community, in line with Kolom's answer. Even if an aircraft is equipped with a fuel dump system, environmental restrictions and standard operating procedures limit the altitude at which fuel may be dumped; if already below that floor, using afterburner with speedbrakes extended is a practical way to reduce landing weight. I don't have any specific sources to cite, just drawing on my experience as a naval aviator.
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
answered Sep 16 at 20:17
JBP JrJBP Jr
1312 bronze badges
1312 bronze badges
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
add a comment
|
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
In KSP I've had to use brakes as control surfaces when things go wrong. Is there any possibility this is poor man's thrust vectoring? Say, if you wanted to do a back-flip into a stall on a dime.
$endgroup$
– Mazura
Sep 17 at 2:55
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
$begingroup$
@Mazura: I'd guess that's unlikely; fighters have large control surfaces that give plenty of control authority even at low speed. Possibly if your elevators are damaged, and the speed brakes aren't at the centre of gravity or lift... If you wanted to perform a cobra maneuver you'd maybe have afterburners on (for thrust to hold up the plane's weight) and speed brakes on (for the speed-limiting effect, not extra control authority). But according to Wiki, you normally apply thrust part way through.
$endgroup$
– Peter Cordes
Sep 17 at 3:30
add a comment
|
protected by Ralph J Sep 17 at 16:17
Thank you for your interest in this question.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?
