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<DIV><FONT face=Arial size=2>The Prophecys & Hydeouts that were produced by
Dixie Competition Products had only small inclusions of carbon fiber that were
seldom where I wanted them. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have no personal experience with carbon but what
I have heard supports your experience. I have seen my share of "flukes" in the
radio systems that defy explanation. Like the Y connector that causes servo
jitter for no reason. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have always been leery of metal to carbon contact
in the fuselages but I have no experience there.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>The wire antenna on our receivers does not appear
to be resonant and the pull pull cables are about the same length. I don't think
there is any interaction there.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>If I string a wire from the canopy area to the
rudder or stab I am certain I will trip over it less than 30 days. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>You have to do what it takes to have confidence in
the plane because nobody can fly one if they are expecting it to come
apart!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>John Ferrell <BR><A
href="http://DixieNC.US">http://DixieNC.US</A><BR></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=wgalligan@goodsonacura.com
href="mailto:wgalligan@goodsonacura.com">Wayne Galligan</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, February 25, 2004 10:31
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: receiver antenna
placement</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>John </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Those where fiberglass weren't they?
We are dealing with the c.f. composite planes causing RF
interference.</FONT></DIV>
<DIV><FONT face=Arial size=2>This has been hashed over many times but It is
still an issue as Gray and I have both experienced carbon fiber fuse RF
issues on several different setups. The plane I flew all of last year is
c.f. but I had the antenna on the outside and it used kevlar pull line on the
rudder and c.f. pushrod with MK bellcrank with no RF issues. The
previous plane (same design and c.f. lay-up) was setup with metal pull
lines on elevator and rudder and I had a very bad glitching issue when I ran
the antenna back to the tail and on the outside too. I had to run
the antenna out to the wing tip to cure the
issue. It is my belief that the combination
of wire pulls and running the antenna parallel to the wires and the c.f. fuse
where suspect as I tried three different receivers to no avail. I guess
the only way to have determined if it was the wire pulls at fault is to have
changed pull lines over to kevlar. It is debatable since I
crashed the plane (it crashed because of a failed pull line go
figure) before I could change the lines over.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> <FONT face=Arial size=2>Wayne Galligan.</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=johnferrell@earthlink.net
href="mailto:johnferrell@earthlink.net">John Ferrell</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, February 25, 2004 8:57
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: receiver antenna
placement</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>Most of the Prophecys and Hydeouts that were
built by me had a DuBro antenna tube in the lower corner of the fuselage
between formers and the glass. The tubes were $0.75 each. They were put in
place with silicon adhesive. If not installed carefully, they could rattle.
Most had Dave Brown push rods and Pull-Pull rudders. I never heard of a
radio problem that was not a sick radio.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>John Ferrell <BR><A
href="http://DixieNC.US">http://DixieNC.US</A><BR></DIV>
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