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<DIV><FONT face=Arial size=2>Colin,</FONT></DIV>
<DIV><FONT face=Arial size=2>To me it sounds like whatever degree of positive
incidence is in your wing is producing a greater amount of lift in the denser
air causing you to trim out the increase with the additional down elevator
which, in turn, is causing the belly pitch. We know that you have to have 1G
positive to sustain level flight so why wouldn't this be a normal flight
reactive condition? Further, if you have your trim step adjustment set at "one",
then four beeps is still a very small trim adjustment. Now the thing I'm not
sure of is, if the positive incidence is overly exagerated do the resulting
corrections become exponential in their effects, but I would expect this to not
be the case. If your at a "one increment" trim step programming adjustment,
then I think your experiencing a normal reaction, or you can make a New Year's
resolution to not fly in the cool weather. </FONT></DIV>
<DIV><FONT face=Arial size=2>Good Luck, </FONT></DIV>
<DIV><FONT face=Arial size=2>Georgie</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=cchariandy@yahoo.ca href="mailto:cchariandy@yahoo.ca">colin
chariandy</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, September 11, 2006 9:52
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Trimming
question.</DIV>
<DIV><BR></DIV>
<DIV>No, I'm using the MK bellcrank.</DIV>
<DIV> </DIV>
<DIV>If the problem was only related to the length of the pushrods, then when
I re-trim the knife edge performance should return to normal. Thats not the
case. The plane pushes to the bottom in the cold and is dead straight on hot
days.</DIV>
<DIV> </DIV>
<DIV>Colin.<BR><BR><B><I>Lance Van Nostrand <<A
href="mailto:patterndude@comcast.net">patterndude@comcast.net</A>></I></B>
wrote:</DIV>
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<DIV><FONT face=Arial size=2>My guess is you have the deps system.
carbon fiber does not have as much shrinkage as the rest of your
plane.</FONT></DIV>
<DIV><FONT face=Arial size=2>--Lance</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=cchariandy@yahoo.ca href="mailto:cchariandy@yahoo.ca">colin
chariandy</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, September 10, 2006
11:09 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [NSRCA-discussion] Trimming
question.</DIV>
<DIV><BR></DIV>
<DIV>I noticed recently that I need to add a bit of down trim as the air
temperature drops....maybe as much as 4 beebs going from 30+ days to 15C.
That upsets the knife edge trim on the aircraft. </DIV>
<DIV> </DIV>
<DIV>Is that normal, or do I have something set a bit marginally, like CG
or wing incidence?</DIV>
<DIV> </DIV>
<DIV>Do you guys typically have a "cold weather set-up" ?</DIV>
<DIV> </DIV>
<DIV>Colin.</DIV>
<DIV>
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