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Ok, Steve,
I think that answer my question to you about why my total
fuel consumption measure by my PW integration system did not seem to reflect the
magnitude of the errors we had discussed.
Since I seldom (if ever - except during taxi/landing)
operate near or below my staging point in flight - and I do not appear to
be getting (at least the magnitude) error when I compare my instruments "Fuel
Used" amount with what I measure when I fill up the tanks. My
manifold pressure in flight rarely drops below 20-22 " hg.
One reason is I generally run with my throttle wide open
to reduce pumping loses and I tweak the mixture to keep it running smoothly - so
my staging point (around 15" Hg) is only seen on the ground and while in the
landing pattern. Since I spend very little time in those regimes, I am
seldom near or below my staging point.
So that could explain why I am apparently not seeing the
difference you data indicates
Ed
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