For Your Safe Flight Page 11
used, fuel remaining and time to empty are not retroactively
recalculated.
Fine Tuning the K Factor
The K factor shown on the fuel flow transducer does not take into
account your aircraft’s particular installation. Fuel hose diameters
and lengths, elbows, fittings and routing can cause the true K factor
to be different from that shown on the fuel flow transducer.
Section 6 - Setting the K factor
Use the following procedure to determine the new K factor.
1. Make at least three flights of about two to three hours each.
Note the actual fuel used (as determined by topping the tanks)
and the FS-450 calculation of the fuel consumed for each
flight.
Flight
Fuel USeD shown by
FS-450
Actual fuel used by
topping tanks
1
2
3
Total
2. Total the FS-450 fuel used and the actual fuel used.
3. Record the current K factor here ____________________ and
in the table below.
4. Calculate the New K Factor as follows:
New K Factor = (FS-450 fuel USeD) x (Current K factor)
(actual fuel used)
New K Factor = ( ) x ( )
( )
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