planejim(at)bellsouth.net
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 Posted: Thu Oct 04, 2007 9:24 am Post subject: Aileron Trim Tabs - Heavy Wing |
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Listers,
REF: Heavy Left Wing Discussion
Somewhere in the dark part of my mind ( nearly 70 years makes it really dark
in there! ) I seem to remember the following for a trim tab installation for
a heavy wing.
Put the tab on the aileron that needs to go UP ( wing down) because the tab
will then be DOWN into the high pressure air stream ( read more effevtive )
and can be either smaller or bent or actuated less, thus doing it's job with
less drag.
I have a 601HD with only one fuel tank ( forward of the instrument panel )
that likes to fly left wing down with just me aboard with the aileron trim
in neutral. I can trim it out with the electric trim tab I have on the right
wing ( trim tab down into the high pressure airstream ).
With two aboard I can run the trim to neutral or nearly neutral, depending
on the weight of my passenger. This tells me that this 601 is sensitive to
left to right weight distribution.
As for wing walk material contributing to this low wing stuff - I don't
think so. I don't have wing walk material on either wing! What I use is a
length of my wifes rubber waffle weave shelving material ( white to match my
white wings ) that I simply lay on the wing. Non slip wet or dry. Nice
pretty painted wing with no peeling wing walk tape!
The only thing that you have to remember to do is to stow the piece of
material before engine start. Otherwise it gets blown away. After two times
of that it is on my checklist brfore engine start to stow it inside the
airplane stupid ( me ) .
Hey folks these are just my thoughts from the dark recesses of and OLD mind.
Take them for what little they are worth.
Go fly - don't slip on the wing!
do not archive
Jim Hoak 601HD - Rotax 912UL - 560 hours.
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