On 8/4/2019 4:51 PM, John Bouyea via KRnet wrote:
I think there was gas in the airplane, just not where it could make its way
to the engine.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I find that statement very interesting. It seems to me that for that to
happen there are only two possibilities, component failure or fuel
mis-management. Either case should be easily identified. Any fuel in
the airplane should be able to " make its way to the engine" except in
the case as stated above.
As John stated, we need to consider all possible failure modes of the
fuel system. In my case I need at least one of the two fuel pumps
installed to run continuously in flight. I have a completely separate
backup power system for the pumps and only a simultaneous failure of
both pumps would constitute an emergency. I had a main buss failure at
10 hours in to testing and the backup worked flawlessly. I hope I never
need it again. I have had two other in flight failures caused by "fuel
mis-management" when in a brain dead moment, instead of switching tanks,
I shut them both off. That will get your immediate attention. I have
since begun the practice of only switching tanks at altitude.
I'm glad all worked out in this case and await the findings.
Larry Flesner
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