All Questions
4 questions
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 ...
7
votes
1
answer
2k
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 ...
7
votes
1
answer
1k
views
Will afterburner work at settings less than full dry thrust?
Dry thrust is normal jet engine power without using an afterburner. Max dry thrust is the engine's most powerful thrust level without afterburner.
But what if the engine is at half power, or even ...
25
votes
6
answers
70k
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What is an afterburner and how long can a jet fly on afterburner?
I heard this word so many time in military documentary about jets, especially fighter jets, but I don't fully understand what it is or how it works. In a documentary from the Discovery Channel, all ...