If 40 gph is the baseline at idle, and it is showing 34 in flight... then I
know I am burning about 6 gph - give or take a smig. That's not a hard
calculation at all. If the sensor were in the inflow section, it would not
provide any information about how much fuel the engine was using, it would
also be less useful for my fuel management
--
David Leonard
Turbo Rotary RV-6 N4VY
True,
That assumes, of course that there is not also a sensor on the flow back,
from the relief valve, with the with logic to subtract the output pulsed from
the input pulses. The reading is then, barring any leaks in the rail, the
actual fuel that the engine is using with no calculation, especially important
for trouble shooting (pump switching) if pucker power is in effect.
Interesting concept using just an outflow indication. Perhaps having a
combination indication of fuel actually used and also an indication of that
returned would be, as Voltaire says, The best of all possible worlds.
Thanks Dave
Rich
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