> On Sep 14, 2017, at 11:38 AM, Brian Davies <brian.davies44@gmail.com>
wrote:
>
> I had a CO problem about a year ago and carried out some
investigation. The big clue, found by using a CO meter, was that the CO
doubled when the flaps were down. I talked to Andy Draper who said the
exhaust gases could enter via the flap slots and travel forwards through
the tunnel and into the cockpit via the various control slots. I
resisted cleaning my aircraft for a period and traced exhaust stains
along the fuselage that travelled to the (Trigear) leg/fuse join and up
to the flap slot.
These enhanced wing root fairings cover the flap slot
Alsoone of the reasons my bird has yet to fly...
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