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<DIV><FONT face=Arial size=2>You can go to a slightly smaller prop to drop the
load and increase RPMs by 200~300 and </FONT></DIV>
<DIV><FONT face=Arial size=2>that should make the needles less
sensitive.....</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Amir</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=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, August 29, 2005 7:35
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Aeroslave pipe set-up.</DIV>
<DIV><BR></DIV>
<DIV>Lance</DIV>
<DIV> </DIV>
<DIV>I've tried 29.5", 32" and 33" from exhaust to the end of the pipe running
the 15x11x4APC on 15%. 33" works well ( very linear throttle responce and
minimal spooling on downlines) however the setting is still extreemly
critical. I have the to make changes to both the midrange and the high speed
needles to run the 15.5x12x4...I could not even get the engine past the
midrange on the ground. Flying this prop was out of the question.</DIV>
<DIV> </DIV>
<DIV>The tunnel does not allow me to go any longer. How can I de-sensitise the
setting? Two plug head, more nitro ? </DIV>
<DIV> </DIV>
<DIV>Colin.</DIV>
<DIV> </DIV>
<DIV><B><I>Lance Van Nostrand <patterndude@comcast.net></I></B>
wrote:</DIV>
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<DIV><FONT face=Arial size=2>Colin,</FONT></DIV>
<DIV><FONT face=Arial size=2>there's a sweet spot that's about 3/4" long for
where the pipe works best. You don't have to nail it perfect, but shorter
than this and the midrange will get rich and longer it will lose some
power. If the low end is not at a lean setting, you have the option to
reduce the pump pressure in addition to lenghtening the pipe.
Lenthening the pipe is the first option to try, but if you start losing
power and still have the problme then you must lower the pump pressure.
Since you are hunting for that "magic" 3/4", the trombone method I told you
about is a quick and reliable way to find the sweet spot quickly.
Before you discount a pump adjustment, remember you were using a Bolly,
which may have different tuning characteristics, or it may not even be a
tuned pipe.</FONT></DIV>
<DIV><FONT face=Arial size=2>--Lance</FONT></DIV>
<DIV> </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=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, August 24, 2005 7:16
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Aeroslave pipe
set-up.</DIV>
<DIV><BR></DIV>
<DIV>Thanks. I'll try that set-up.</DIV>
<DIV> </DIV>
<DIV>Colin.<BR><BR><B><I>wgalligan <<A
href="mailto:wgalligan@cnbcom.net">wgalligan@cnbcom.net</A>></I></B>
wrote:</DIV>
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<DIV><FONT face=Arial size=2>Colin,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>My pipe length is 31" from the center of
the glow plug to the end of the pipe (not including the stinger). Mine
has about 3" between the header and inlet of the pipe. A good
silicon coupler like blue Aerotrend works good.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Good luck,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Wayne</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=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, August 23, 2005
8:26 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Aeroslave pipe
set-up.</DIV>
<DIV><BR></DIV>
<DIV>It sounds like I bought the right pipe. I'll look forward to the
info on your pipe length.</DIV>
<DIV> </DIV>
<DIV>Regards</DIV>
<DIV>Colin.<BR><BR><B><I>Wayne Galligan <<A
href="mailto:wgalligan@goodsonacura.com">wgalligan@goodsonacura.com</A>></I></B>
wrote:</DIV>
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<DIV><FONT face=Arial size=2>Coiln,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>If the engine is running too rich in
the mid range lengthen the pipe. This pipe needs a little
longer setup then Lance originally posted. When I went to the
AeroSLave pipe I installed it the same length as my previous pipe
and it was slobbery rich in the mid range. I had to lengthen
it about 1 1/2 inches. If it comes on the pipe real hard then
it is way too short. This pipe when at the right length will
be real smooth in transition and not come on the pipe hard but have
a smooth constant power on top end.</FONT></DIV>
<DIV><FONT face=Arial size=2>When it is at the right length then
richen the low needle as much as it will stand with out loading up
and you downlines will be much, much better.</FONT></DIV>
<DIV><FONT face=Arial size=2>I will measure mine tonight and give
you an exact length. I run a 17x12 APC and a 15.75x10
3blade by Lockhart and they both are real smooth on the
power.</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=cchariandy@yahoo.ca
href="mailto:cchariandy@yahoo.ca">colin chariandy</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 22, 2005
7:39 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Aeroslave pipe
set-up.</DIV>
<DIV><FONT face=Arial size=2></FONT><FONT face=Arial
size=2></FONT><FONT face=Arial size=2></FONT><FONT face=Arial
size=2></FONT><BR></DIV>
<DIV>
<DIV>Help needed...tuned pipe problems!!</DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>I've bought the AeroSlave CF pipe for my OS140RX turning
an APC 15x11 4-blade. Aeroslave gave a starting length of
29.5 inches from the engine exhaust port to the end of the pipe.
However, the engine runs extremely poorly at this length. In order
to transition past the midrange the high end needle has to be very
lean resulting in a lean high end. The power comes in with a
bang and the engine accelerates in down lines. I think this
is too short a pipe length although the header is full
length.</DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>Does anyone have any experience running these pipes on OS
engines? What's the best starting point?</DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>Colin.</DIV></DIV>
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