Filled the tank in stages and checked the sight tube as its been a bit odd and
I thought I may have made a mistake in marking. At about 4/5ths full the reading
goes down but the vent tube stays full. I presume due to wiggles in the pipe
and when the surface tension matches the force of the air wanting to escape
the bubble stays and it misreads.
I am thinking putting a larger dia pipe from the tank to to vent would cure it
or maybe just a wide section (like a filter glass with no filter) might do it.
I only use if for ground fuel state assessment.
Found the seal on the electric qauge is seeping slightly, wretched thing wish
I'd
gone straight to the FPL5 fuel flow gauge.
--------
Graeme Bird
G-UMPY
Mono Classic/XS 912S/Woodcomp 3000/3W
Newby: 75 hours 18 months
g@gdbmk.co.uk
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