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I also use the
Earls fuel filter, though I think I am considering a change. Yesterday I
experienced what I though was SAG. I have 106 hrs. on my first set of
plugs so I have been expecting it. Had normal RPM on take off
roll (4600+) but just crossing the departure threshold it slowly sagged to 4400
(when it should have increased to 4800), then continued to dip down to
3800. I forgot to look at the fuel flow and fuel pressure, but I did note
that increasing the mixture improved the issue.
I continued around
the pattern for an uneventful landing, my passenger never detected that there
was a problem and just took my word that "something was not right." I
changed out the spark plugs which were moderately well worn - more than half of
the central electrode was worn away. I also changed the fuel filter
(earls). Upon cleaning the element there was a little bit of fine
grit. I probably picked this up in Mexico either in the gas I bought, or
just being in the dusty and dirty conditions. On the other hand, SAG may
have been accelerated by the use of 100LL on the Mexico
trip.
Either way, the
problem is fixed and power is back to slightly better than it was. My
feeling is that is was a clogged fuel filter. The earl's is of good
quality and easy to clean, but it is too small and seems to easily clogged with
a small amount of contaminant. I will definitely keep my spare one with me
in my emergency kit, but I am going to start looking for another larger one that
won't be too hard to install.
Dave
Leonard
Thanx,
Using a Fram G 3727 Filter. Needs the
"saginaw" fittings also.
Barny
MGDQ ( more Champ tail draggin time
today)
----- Original Message -----
Sent: Sunday, March 06, 2005 7:53
AM
Subject: [FlyRotary] Re: Fuel
Filters
Where did you order
the Saginaw fittings from?
For the
record, I'm not calling them Saginaw fittings. That might be the
correct term, but I'm just not familiar with it. The Earl's 991955
fittings can be purchased anywhere that sells Earl's products, but I always
get them from Summit Racing. Their part number is
EAR-991955ERL Summit page- http://tinyurl.com/49x8m
Cheers,
Rusty
(cowling refit horror approaches)
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