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To be sure to not use more runway than available. It is also good to have runway to spare in case take-off has to be aborted. Look at this image as an example from another fighter. Notice the two X-axis. The top MIL is for without afterburner and the bottom FULL AB is with afterburner. Notice how the numbers for the MIL is almost double that of the FULL AB ...


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It would appear to be yes. See Page 22 of this paper by the Hamburg University of Applied Science. In the chart (below) on Page 22 of representative engines, the turbojet's Thrust Specific Fuel Consumption increases from .8 lb/hr/lbs thrust at 0 airspeed to about 1.0 at Mach. So the engine is most efficient from a SFC perspective while stationary and ...


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I don’t believe that airspeed directly affects fuel flow, but it may impact other variables that can have an influence. I don’t have a flight manual for an F-104, but for the EA-6B the manual says the following about the fuel control unit on the J52P-408A engine: (straight turbo jet, non-after burning, 1970s technology) “The engine fuel control is divided ...


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