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Kevin,
Glass
case filter are not permitted in Canada due to potential brakeage, etc... I do
not know about US rules but would expect to be the same....
I
would suggest a metal case, in my application it a standard gascolator with a
stainless steel filer element, a metal boll and at the bottom a drain port that
is checked for contamination before each flight. (Aircraft Spruce has
them).
Easy
to see if contamination from water or particulates...
Alain
Just
my $0.02 your mileage may vary...
I have never run a fuel sump on my -6A, but
have filters between the tank and selector valve. originally I choose
inexpensive fabric(?) filament filters with the idea that I would simply
replace them every annual. one year I found fibers in the intake screen
of the carb. they are very difficult to see because they are basically
clear, especially when wet with fuel. so now I have the glass case metal
screen filters, with I thought I'd could check before each flight, but
admittedly don't.
kevin
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