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What causes the sudden spool-up sound from an F-16 when enabling afterburner?
The 2019 Stack Overflow Developer Survey Results Are InWhat is an afterburner and how long can a jet fly on afterburner?What do we hear, on the ground, from a helicopter in flight?How does an aircraft distribute fuel equally between powering the turbines on the engine and injecting it into the afterburner?Why do military jets seem to always take off using the afterburner?What effect would a afterburner have on the compressor if the nozzle outlet is not increased?What causes the “growl” of some large turbofans at takeoff thrust?What did the “gear warning horn” on the North American P-51 sound like?Bright exhaust in afterburner vs no visible (bright) exhaust when not in afterburner?What's the mechanical 'whoosh, whoosh' sound in this video?Is jet fuel typically injected before or after the flame holder in an afterburner?
$begingroup$
What causes the sudden spool-up sound from an F-16 when enabling afterburner?
I've included a video to make it clear what sound I'm referring to:
at 1:16, I assume the pilot engages afterburner (again), and there is a sudden spool-up sound associated with this.
Am I even correct in assuming this is what's happening? I don't understand what this sound is though, it doesn't seem to appear consistently. Throughout the video, it appears the pilot engages afterburner and turns it off multiple times, but the sound only appears once.
Bonus question: What is the purpose of running the engine like this, and how is the F-16 attached to the ground?
f-16 afterburner sound
asked yesterday
AlphaCentauriAlphaCentauri
4641310
$endgroup$
add a comment |
$begingroup$
What causes the sudden spool-up sound from an F-16 when enabling afterburner?
I've included a video to make it clear what sound I'm referring to:
at 1:16, I assume the pilot engages afterburner (again), and there is a sudden spool-up sound associated with this.
Am I even correct in assuming this is what's happening? I don't understand what this sound is though, it doesn't seem to appear consistently. Throughout the video, it appears the pilot engages afterburner and turns it off multiple times, but the sound only appears once.
Bonus question: What is the purpose of running the engine like this, and how is the F-16 attached to the ground?
f-16 afterburner sound
asked yesterday
AlphaCentauriAlphaCentauri
4641310
$endgroup$
$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
1
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago
add a comment |
$begingroup$
What causes the sudden spool-up sound from an F-16 when enabling afterburner?
I've included a video to make it clear what sound I'm referring to:
at 1:16, I assume the pilot engages afterburner (again), and there is a sudden spool-up sound associated with this.
Am I even correct in assuming this is what's happening? I don't understand what this sound is though, it doesn't seem to appear consistently. Throughout the video, it appears the pilot engages afterburner and turns it off multiple times, but the sound only appears once.
Bonus question: What is the purpose of running the engine like this, and how is the F-16 attached to the ground?
f-16 afterburner sound
asked yesterday
AlphaCentauriAlphaCentauri
4641310
$endgroup$
What causes the sudden spool-up sound from an F-16 when enabling afterburner?
I've included a video to make it clear what sound I'm referring to:
at 1:16, I assume the pilot engages afterburner (again), and there is a sudden spool-up sound associated with this.
Am I even correct in assuming this is what's happening? I don't understand what this sound is though, it doesn't seem to appear consistently. Throughout the video, it appears the pilot engages afterburner and turns it off multiple times, but the sound only appears once.
Bonus question: What is the purpose of running the engine like this, and how is the F-16 attached to the ground?
f-16 afterburner sound
f-16 afterburner sound
asked yesterday
AlphaCentauriAlphaCentauri
4641310
asked yesterday
AlphaCentauriAlphaCentauri
4641310
asked yesterday
AlphaCentauriAlphaCentauri
4641310
asked yesterday
AlphaCentauriAlphaCentauri
4641310
asked yesterday
AlphaCentauriAlphaCentauri
4641310
4641310
$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
1
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago
add a comment |
$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
1
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago
$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
1
1
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
My first guess based on the sound repeating when the thrust is idled near the end of the video is that's the sound of the actuators of the variable geometry nozzle.
Googling that actually auto-completed it to Great F-16 Actuator Sound (video).
Bonus answers to the bonus questions:
- It's a ground test of the engine, making sure it's working fine with no leaks.
- The F-16 has a tail-hook like carrier-borne planes, if you look closely a cable is attached to that hook, which itself is attached to the ground. The F-16, F-15, and other land-based fighters have it in case of an emergency, they'd land on a runway with a braking wire across it.
answered yesterday
ymb1ymb1
70.1k7225372
$endgroup$
add a comment |
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1 Answer
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$begingroup$
My first guess based on the sound repeating when the thrust is idled near the end of the video is that's the sound of the actuators of the variable geometry nozzle.
Googling that actually auto-completed it to Great F-16 Actuator Sound (video).
Bonus answers to the bonus questions:
- It's a ground test of the engine, making sure it's working fine with no leaks.
- The F-16 has a tail-hook like carrier-borne planes, if you look closely a cable is attached to that hook, which itself is attached to the ground. The F-16, F-15, and other land-based fighters have it in case of an emergency, they'd land on a runway with a braking wire across it.
answered yesterday
ymb1ymb1
70.1k7225372
$endgroup$
add a comment |
$begingroup$
My first guess based on the sound repeating when the thrust is idled near the end of the video is that's the sound of the actuators of the variable geometry nozzle.
Googling that actually auto-completed it to Great F-16 Actuator Sound (video).
Bonus answers to the bonus questions:
- It's a ground test of the engine, making sure it's working fine with no leaks.
- The F-16 has a tail-hook like carrier-borne planes, if you look closely a cable is attached to that hook, which itself is attached to the ground. The F-16, F-15, and other land-based fighters have it in case of an emergency, they'd land on a runway with a braking wire across it.
answered yesterday
ymb1ymb1
70.1k7225372
$endgroup$
add a comment |
$begingroup$
My first guess based on the sound repeating when the thrust is idled near the end of the video is that's the sound of the actuators of the variable geometry nozzle.
Googling that actually auto-completed it to Great F-16 Actuator Sound (video).
Bonus answers to the bonus questions:
- It's a ground test of the engine, making sure it's working fine with no leaks.
- The F-16 has a tail-hook like carrier-borne planes, if you look closely a cable is attached to that hook, which itself is attached to the ground. The F-16, F-15, and other land-based fighters have it in case of an emergency, they'd land on a runway with a braking wire across it.
answered yesterday
ymb1ymb1
70.1k7225372
$endgroup$
My first guess based on the sound repeating when the thrust is idled near the end of the video is that's the sound of the actuators of the variable geometry nozzle.
Googling that actually auto-completed it to Great F-16 Actuator Sound (video).
Bonus answers to the bonus questions:
- It's a ground test of the engine, making sure it's working fine with no leaks.
- The F-16 has a tail-hook like carrier-borne planes, if you look closely a cable is attached to that hook, which itself is attached to the ground. The F-16, F-15, and other land-based fighters have it in case of an emergency, they'd land on a runway with a braking wire across it.
answered yesterday
ymb1ymb1
70.1k7225372
answered yesterday
ymb1ymb1
70.1k7225372
answered yesterday
ymb1ymb1
70.1k7225372
answered yesterday
ymb1ymb1
70.1k7225372
70.1k7225372
add a comment |
add a comment |
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$begingroup$
Thanks for the early accept. Of course feel free to change it if a more helpful answer is posted.
$endgroup$
– ymb1
yesterday
1
$begingroup$
That guy walking under the plane had really better hope the cable is strong enough...
$endgroup$
– Nate Eldredge
20 hours ago