Topica Loopframe_Guzzi Archive
 

Subject: RE: Lurching Loops

Author: Joe Edmonson

Date: Jun 18, 2004, 3:17 PM

Post ID: 1717003595


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The warmer air would vaporize the fuel better (into a smaller droplets for
lack of a better way to put it) this would be a more reactive mixture due to
the increased surface area of the fuel droplets. Hence a warmer fuel/air
mixture or warmer cylinder enviroment would give a more explosive reaction
and a better performing engine.
-----Original Message-----
From: Ian Adkins [mailto:ianad-@linkamerica.net]
Sent: Friday, June 18, 2004 12:11 PM
To: Msh-@att.net
Cc: Loopframe
Subject: RE: Lurching Loops


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Michael,

Sorry to take so long to get back to you. You are right about the powerful
motor bit but more so it is the two cylinders that create the "pulsating".

On your question of warming up...yes these bikes are certainly cold
blooded. I have wondered as well and the only thing I can come up with is
that there is some corrolation with the engine temp and the fuel mixture.
Warmer air mixing with fuel is leaner?

Maybe the wisdom of the list has some thoughts?
-----Original Message-----
From: Msh-@att.net [mailto:Msh-@att.net]
Sent: Tuesday, June 08, 2004 5:52 PM
To: ianad-@linkamerica.net
Subject: Lurching Loops


I have 2 1972 Eldos that lurch when going from first to second. It
doesn't really seem to be a problem, but I know to go easy on the throttle,
or it will really take off. I just think of this as a well tuned powerful
motor, am I wrong?



A larger pecularity for me, is why these Eldos take so long to warm up.
I can barely ride it without the choke being on for about 5 minutes, while
slowly moving the choke to the off position while I ride the bike. One Eldo
has K&Ns the other the stock air box, both have the same cold running m.o.
Once the bike is warmed up, I can back the choke full off and runs and idles
perfectly. Is this common of all stock eldos with del'ortos?



(My '70 Ambo, has no cold running problems)



Regards,



Michael Shiro

S.F. CA

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<DIV><SPAN class=478011422-20062003><FONT face=Arial color=#0000ff size=2>The
warmer air would vaporize the fuel better (into a smaller droplets for lack of a
better way to put it) this would be a more reactive mixture due to the increased
surface area of the fuel droplets. Hence a warmer fuel/air mixture or warmer
cylinder enviroment would give a more explosive reaction and a better performing
engine. </FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Ian Adkins
[mailto:ianad-@linkamerica.net]<BR><B>Sent:</B> Friday, June 18, 2004 12:11
PM<BR><B>To:</B> Msh-@att.net<BR><B>Cc:</B> Loopframe<BR><B>Subject:</B> RE:
Lurching Loops<BR><BR></FONT></DIV><PRE>-----------------------------------------------------------
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award* Start Saving Today &#8211; APPLY NOW! It's fast, easy and
secure.
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</PRE>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004>Michael,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004>Sorry to take so long to get back to you. You are
right about the powerful motor bit but more so it is the two cylinders that
create the "pulsating".</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=520443515-18062004>On
your question of warming up...yes these bikes are certainly cold blooded. I
have wondered as well and the only thing I can come up with is that there is
some corrolation with the engine temp and the fuel mixture. Warmer air mixing
with fuel is leaner?</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=520443515-18062004>Maybe the wisdom of the list has some
thoughts?</SPAN></FONT></DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Msh-@att.net
[mailto:Msh-@att.net]<BR><B>Sent:</B> Tuesday, June 08, 2004 5:52
PM<BR><B>To:</B> ianad-@linkamerica.net<BR><B>Subject:</B> Lurching
Loops<BR><BR></DIV></FONT><!-- WEBMAIL STATIONERY noneset -->
<P>I have 2 1972 Eldos that lurch when going from first to second. It
doesn't really seem to be a problem, but I know to go easy on the throttle,
or it will really take off. I just think of this as a well tuned
powerful motor, am I wrong?</P>
<P> </P>
<P>A larger pecularity for me, is why these Eldos take so long to warm
up. I can barely ride it without the choke being on for about 5
minutes, while slowly moving the choke to the off position while I ride the
bike. One Eldo has K&Ns the other the stock air box, both have the
same cold running m.o. Once the bike is warmed up, I can back the
choke full off and runs and idles perfectly. Is this common of all
stock eldos with del'ortos?</P>
<P> </P>
<P>(My '70 Ambo, has no cold running problems)</P>
<P> </P>
<P>Regards,</P>
<P> </P>
<P>Michael Shiro</P>
<P>S.F. CA</P></BLOCKQUOTE><!-- END WEBMAIL STATIONERY --><PRE>-----------------------------------------------------------
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