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<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>OH I never
thought about it being a TX problem. I hope not, I'm using a 9C and it's the
only TX I have suitable for pattern. <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>I have
with two identical servos in the same environment acting the same with no
effect to the ailerons. I use the TX for several airplanes and will probably
fly my backup today. If it's the TX it should offset the rudder and elevator as
soon as the RX is turned on. <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>I don't
think it was leaking for three years but it was sever, I could have pulled the
stopper out without further loosening of the screw. The threads don't hold very
well in the plastic disks and as a designer I would NEVER do this.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Thanks for
the heads up on the TX.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Jim<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle18><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Ed White<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, August 06, 2009
9:42 AM<br>
<b><span style='font-weight:bold'>To:</span></b> General pattern discussion<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion]
Trim Change</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>What Tx
are you using? I had a similar problem earlier this summer with my Futaba
9Z. Every flight required a few clicks of down trim, rudder and throttle
seemed to be drifting slowly also. But otherwise the radio seemed to be
working. I sent it in to Futaba where they replaced some gimbal parts and
some ribbon cables, but I think the only thing they did that could have really
solved this problem is replace the small Lithium battery that maintains the
memory. It is rock solid now.<br>
<br>
If your transmitter has such a battery (9Z and I think the 14MZ also has a
battery?), I would get that replaced. If it doesn't have a battery, I
would definitely send it in for repair. I would think you would need a
lot of exhaust on the servos for oil to get into the pots, but maybe after 3
seasons.<br>
<br>
Ed</span></font><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'><![if !supportEmptyParas]> <![endif]></span></font><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
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color:black'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal style='margin-left:.5in'><b><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black;
font-weight:bold'>From:</span></font></b><font size=2 color=black face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:black'> J N Hiller
<jnhiller@earthlink.net><br>
<b><span style='font-weight:bold'>To:</span></b> NSRCA Mailing List
<nsrca-discussion@lists.nsrca.org><br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, August 6, 2009
11:26:40 AM<br>
<b><span style='font-weight:bold'>Subject:</span></b> [NSRCA-discussion] Trim
Change<br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'><br>
Yesterday I was trying to get a few flights between thunder storms and<br>
experienced abnormal elevator trim change.<br>
I hadn't flown this airplane for about a month but it has been totally<br>
reliable and predictable. My first flight was cut short due to repeated<br>
fly-overs by a full size helicopter. I got an uninterrupted second flight<br>
with only a beep or two of up elevator trim, which isn't excessive in<br>
changing weather conditions. The third flight I had to add about three more<br>
beeps of up trim and I thought the air was really getting thin. The fourth<br>
flight needed about six more beeps of up trim but the airplane acted normal<br>
so I continued. After landing I noticed the rudder was offset about 1/4",
no<br>
wonder the flight was a little screwy.<br>
This airplane has a tight, full pull-pull cable system that never changes<br>
mechanically. I had a centering offset of about ten beeps on both the<br>
elevator and rudder servos and was changing the idle trim more than normal.<br>
You electric guys can laugh now. The fuel tank stopped had loosened and<br>
everything in the fuselage was wet probably all the way to the tail post.<br>
The inside of the airplane is a mess and I will be flying the other airplane<br>
in Redmond OR this weekend.<br>
The receiver had a little oil on one corner of the case but appears to be<br>
dry inside and doesn't even smell like fuel. I suspect the centering change<br>
resulted from fuel getting into the servo pots. I'm reluctant to get into<br>
them that deep and will probably just scrap them. After three seasons they<br>
were due for replacement anyway.<br>
Jim Hiller<br>
<br>
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