sidsel.svein(at)oslo.onli
Guest
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 Posted: Fri Mar 15, 2013 10:19 am Post subject: SV: SV: Re: SV: fuel flow and return line status |
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Hello Clive,
| Quote: | Thinking more about the single fuel flow setup - would you agree that
another way of checking the restrictor is not blocked, is simply to
monitor
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| Quote: | that there IS fuel flow without the engine running but with the boost pump
running? I get around 9L/hr.
Assuming the float chambers are full and there are no external leaks, not
sure where else fuel can go if it is not being consumed by a running
engine. . .
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Yes, I do agree. This is effectively the same as I will do with my
two-sender set-up : momentarily switch off the feed (total) flow sender and
switch the return flow sender to the feed input as a single sender.
Your 9L/hr return flow is close to what I measured when I, too, had a system
with only one sender - I got approx. 10L/hr. However, if you have adjusted
the k-factor to get a reasonably good totalizer function (i.e. adjusted the
k-factor so that the displayed fuel consumed on an average flight is
approximately correct), your actual return flow is higher than the displayed
flow, of course.
Regards,
Svein
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