Fuel Flow Question

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sprstdlyscottsmn

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Unread post15 Jan 2021, 19:42

Yeah, my phone replies are less detailed than my computer replies. My apologies.
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delta2014

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Unread post15 Jan 2021, 20:11

Image

If the fighter is flying in straight and level flight, at full MIL at 40,000 feet, if I am understanding correctly, this is what would happen at these six points on the above MIL curve:

DOT #1: the fighter will be decelerating
DOT #2: the fighter will not be decelerating or accelerating -- the fighter will just be stuck at this airspeed
DOT #3: the fighter will be accelerating but very, very slowly
DOT #4: the fighter will now be accelerating faster
DOT #5: the fighter will be accelerating but very, very slowly
DOT #6: the fighter will not be decelerating or accelerating -- the fighter will just be stuck at this airspeed

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Delta2014
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sprstdlyscottsmn

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Unread post15 Jan 2021, 23:57

I would add that point 6 is stable, if the plane experiences a gust that speed it up or slows it down it will return to point 6. Point 2 on the other hand would continue to slow to stall speed or speed up to point 6.
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saberrider

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Unread post01 Feb 2021, 22:06

delta2014 wrote:If a pilot is flying a fighter at sea level at full 100 MIL power, in straight and level flight, and glances at the airspeed gauge and it reads 300 KIAS but the fighter is accelerating, will he see his fuel flow gauge keep increasing as his airspeed keeps increasing? Does an increase in airspeed increase fuel flow?

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Delta2014

Yes ,but this depending of the intake types and overall drag
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