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<DIV><FONT face=Arial size=2>Vincent,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I wonder if this "T" setup would work on an OS
1.40. I already use the check valve in the vent so a couple of "T's" and
maybe I would be in business. Would you have to change the pump
pressure?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Wayne Galligan</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=vicenterc@comcast.net
href="mailto:vicenterc@comcast.net">vicenterc@comcast.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, March 05, 2006 8:19
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [NSRCA-discussion] Fuel
Regulation in 2C Engines</DIV>
<DIV><BR></DIV>
<DIV>
<DIV>
<DIV>Good morning all,</DIV>
<DIV> </DIV>
<DIV>I have been using the OS 160, OS 140 RX and Mintor 140 with good results
in the last 4-5 years. We have been comparing and discussing the
advantages of YS compared with 2C. One of the main advantages of YS
is that in transition when power down the engine goes instantly to 2000 RPM or
less. The 2C engines always takes too much time to get down to idle and
I believe that causes us (in pattern) some problems. </DIV>
<DIV> </DIV>
<DIV>I have been thinking that the problem is that the carburetor and or fuel
system that can not regulate properly (pressure or flow). I think in
these engines, the pumps are set to deliver fuel at full flow (or
pressure) without any regulation system (like the YS). I had the
opportunity to discuss this issue with Perry Pump and they recommended to
install a by-pass line. The idea is to send the excess fuel (pressure)
back to the tank during transition. Perry Pump recommended to install
the T as close as possible to the carburetor needle valve. Also in their
web site they have an idea that he said is used for cars that is a by-pass
line that loop around the pump (<A
href="http://www.perrypumps.com/instructions.htm"
target=_blank>http://www.perrypumps.com/instructions.htm</A>, Click on
Pump and By-Pass Systems). I think the ideas deserve some checking since
it is natural to have this type of regulation to maintain constant press! ure
in the line before needle valve. I tried the other day the by-pass
to the carburetor but I installed the T too far from the carburetor and forgot
to open the vent in the tank. Of course the results were bad
since I was developing vacuum in the tank. I will try these options of
by-pass lines as soon as get warmer. However, I think someone out there
already tried to do this and know results so I am looking for feed back.</DIV>
<DIV> </DIV>
<DIV>Thanks in advance,</DIV>
<DIV> </DIV>
<DIV>Vicente Bortone</DIV>
<DIV> </DIV></DIV></WMFILTERED></DIV>
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