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<DIV><FONT face=Arial size=2>The maneuvers and the judging are both slanted
towards the current popular configurations.</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=mups1953@yahoo.com href="mailto:mups1953@yahoo.com">mike mueller</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> Monday, August 09, 2004 10:43
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Twin engine pattern</DIV>
<DIV><BR></DIV>
<DIV> Ron I'm very skeptical about the viability of a Twin Pattern plane
but my engineer friend is really convinced that it's worth wile experiment. I
wonder if it could snap worth a darn. I committed to being the test pilot on
it. He says that the synchronizing of the 2 motors thru the rpm range is
possible with closed loop telemetry. I can't see that a slight modification of
an existing pattern plane would yield a positive result. I think it's cool
that he's willing to try something completely out of the box like this and
I'll support his efforts. Mike<BR><BR><B><I>ronlock@comcast.net</I></B> wrote:
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<P>Would it fly like our current designs? I think there will be quite
noticable differences due to motor weight in wings adding inertia to
rolling maneuvers.</P>
<P>Rolls will be a bit harder to start and stop. Not a real big
problem in smooth maneuvers, but will be an extra challenge to deal with in
snap rolls and spin entries. A sport aerobatic twin I built and flew
for a while with OS .40FP (light glow .40s) in typical wing nacel
location showed those characteristics.</P>
<P>Later, Ron Lockhart</P>
<P><BR> </P>
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Original message -------------- <BR>
<DIV>I've seen an older plane called the Dualist that's a 60 sized
patternlike twin but has anyone ever attempted a larger scale twin plane?
I have an engineer friend that has this idea that an electric (outrunner)
twin with counter rotating props would be worthwile experiment. I'd like
to support his experiment but I'm pretty sceptical about it's possible
merits. Can a twin plane fly like our current designs? Any thoughts on
this would be appreciated from the vast knowledge you guys have. Thanks,
Mike</DIV>
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