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In regards to sealing off the cockpit of my L320 from the Carbon monoxide
fumes of the exhaust, I have good news and bad news to report.  I purchased
six rubber boot from Vern at Kit Components and installed them on my flap,
aileron and inboard gear door push rods.  A test flight today, with the AIM
CO detector indicated zero (0) CO level through the entire flight, including
run-up, cruise, landing and taxi.  This was with air vents closed the entire
time.  After engine shut down there was a rise in CO level to about 20 PPM.
Apparently, in the absence of prop wash, the remaining CO under the plane
found a way to leak up into the cockpit.  Anyway, I am quite happy with
these CO levels since it is a vast improvement over what I had initially.

The bad news is that I have a really crudy looking installation, especially
on the flap and aileron push rods which have more lateral movement.  The
boots are just a smooth boot with no corrugations.  When the push rod
movement shortens the boot, you end up with random wrinkles.  Also, the
small end of the boot is one inch diameter while the push rods are 3/4 inch.
A zip tie seals them up quite well but it is not a pretty sight.  I will
forward some pictures to Marv for posting on his site.

I would like to find an alternate source for some more suitable rubber boots
with a corrugated outline resembling a bellows, similar to the boots on our
brake cylinders.  Does anyone have any ideas for a boot source?

Bob Jude
N65BJ



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LML website:   http://www.olsusa.com/Users/Mkaye/maillist.html
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Please send your photos and drawings to marvkaye@olsusa.com.
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