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1. 10:30 AM - Questions from my 'annual' (Ralph E. Capen)
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| Subject: | Questions from my 'annual' |
As part of my recent 'annual', I swapped the plugs upper for lower after cleaning
and regapping.
The #2 lower plug looked like some of the plating was peeling from the outside
of the body. The uppers looked brand new.
Is this 'plate-peeling' indicative of excessive heat at the plug - or maybe a defect
in manufacturing? The CHTs all run between 350 and 375 and within five
degrees of each other so I am leaning to a manufacturing defect....
Further along in the inspection process, the #1 intake tube from the head to the
intake/sump is marked as "AEL70485 Rev C" but the rubber tube that connects
the two appears to be short. Is the intake tube the correct number? Where can
I get the material that the rubber connecting tubes are made from in bulk?
It looks like reinforced radiator hose - with an aircraft part number. I would
like to make that one a quarter inch longer - unless the metal tube is the wrong
one and too short.
Low time IO360B1F6 - fairly regularly run. Compression tests - 79/80 on all four.
Oil temps 180-190.
RV6A with Sam James cowl and plenum. LASAR ignition and AFP injection. Turning
a MTV12B 183-59 three blade MT prop.
Thoughts please,
Ralph
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