That's when having 2 planes flying with the same Transmitter really helps. <BR><BR><B><I>John Ferrell <johnferrell@earthlink.net></I></B> wrote: <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Beware of worn pot in transmitter, very hard to identify...<BR><BR>John Ferrell W8CCW<BR>"My Competition is not my enemy"<BR>http://DixieNC.US<BR><BR>----- Original Message ----- <BR>From: "Bob Kane" <GETTERFLASH@YAHOO.COM><BR>To: <NSRCA-DISCUSSION@LISTS.NSRCA.ORG><BR>Sent: Monday, May 08, 2006 11:04 AM<BR>Subject: [NSRCA-discussion] Elevator trim change<BR><BR><BR>> My new Temptation is using a carbon pushrod system for<BR>> the elevator. The length is roughly 30" and it is all<BR>> carbon from the servo to the elevator horns except for<BR>> the titanium ends.<BR>> <BR>> I have been experiencing significant (more on what I<BR>> consider significant later) trim changes in elevator<BR>> from
one flight to another. I did some searching in<BR>> the RCU forums and found a two year old thread, the<BR>> conclusion (if there is such a thing in online forums)<BR>> is the expansion/contraction of the composite fuselage<BR>> is large relative to the change of a carbon pushrod<BR>> system if both are subjected to the same change in<BR>> temperature.<BR>> <BR>> What I mean by significant is two or three clicks as<BR>> measured by my Stylus trim levers. My three previous<BR>> pattern planes all featured rear mounted elevator<BR>> servos with short (< 12") pushrod systems. These<BR>> planes exhibited little trim change (1 click) with<BR>> temperature swings.<BR>> <BR>> I changed servos last night and will be test flying<BR>> this evening to see if the servo was contributing to<BR>> the trim change. <BR>> <BR>> What are other experiences with carbon<BR>> pushrod/composite fuselage combinations?<BR>> <BR>>
Bob Kane<BR>> getterflash@yahoo.com<BR>> <BR>> __________________________________________________<BR>> Do You Yahoo!?<BR>> Tired of spam? Yahoo! Mail has the best spam protection around <BR>> http://mail.yahoo.com <BR>> _______________________________________________<BR>> NSRCA-discussion mailing list<BR>> NSRCA-discussion@lists.nsrca.org<BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>><BR><BR>_______________________________________________<BR>NSRCA-discussion mailing list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR></BLOCKQUOTE><BR><p>
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