YS 140L Help (Solved)

[jed241 at msn.com]

Thanks to all for the responses. This group is outstanding.

This rookie appreciates all of your support...Now it's time to head out to 
the Detroit area...

See ya,

Larry


----- Original Message ----- 
From: "John Ferrell" <johnferrell at earthlink.net>
To: <discussion at nsrca.org>
Sent: Friday, August 01, 2003 10:26 AM
Subject: Re: YS 140L Help (Solved)


> For future reference:
>  E-clips (aka C-clips) are available from a lot of places because of their
> wide usage, don't limit your search to hobby shops.
> I have been reusing them for many years, mechanical linkage in computer
> equipment makes extensive use of them.
> Before the current valve retainers on YS engines, they used e-cips for 
> that
> function.
>
> THE CAUSE of broken e-clips (and broken rocker shafts) is too much valve
> clearence. That also wears out push rods.
>
> The symptom of a broken rocker shaft is that you cannot turn the engine 
> over
> with an electric starter.
> John Ferrell
> 6241 Phillippi Rd
> Julian NC 27283
> Phone: (336)685-9606
> johnferrell at earthlink.net
> Dixie Competition Products
> NSRCA 479 AMA 4190  W8CCW
> "My Competition is Not My Enemy"
>
> ----- Original Message ----- 
> From: <jed241 at msn.com>
> To: <discussion at nsrca.org>
> Sent: Thursday, July 31, 2003 8:58 PM
> Subject: Re: YS 140L Help (Solved)
>
>
> > Good News...Found the problem...
> >
> > Bad News...Unless someone has parts and can bring them to the Lenox
> Contest,
> > I will not be flying the Focus and must live with the Aresti 40 once
> more...
> >
> > The problem was the E-Clip that holds the rocker arms on the shaft. The
> > exhaust side broke in about three pieces. One piece was jammed into the
> > valve cover holding the exhaust valve open...Walla, no compression. 
> > Engine
> > quit. Had compression as soon as I took the valve cover off. Took me a 
> > 1/2
> > hour to find all the pieces. Piston and everything else looks good.
> >
> > Part needed is YS0580, E-Clip Set. I will buy them off of anyone that 
> > can
> > bring it to the D4 Lenox contest. If not, There is a hobby shop about
> 1-1/2
> > hours away...In the wrong direction for the contest...
> >
> > Has anybody else had this happen, or am I the only one with a gremlin
> > disassembling the engine from the inside?
> >
> > See ya,
> >
> > Larry Diamond
> >
> >
> > ----- Original Message ----- 
> > From: "Atwood, Mark" <atwoodm at paragon-inc.com>
> > To: <discussion at nsrca.org>
> > Sent: Thursday, July 31, 2003 8:40 AM
> > Subject: RE: YS 140L Help
> >
> >
> > I don't think the low nitro would cause a "sudden" change or cause the
> > engine to quit as you say it did, but I agree with Eric that the YS's
> enjoy
> > Nitro.
> >
> > Another thing to check if you've only run 10 flights is the valves. 
> > I've
> > had new or rebuilt engines where the valves have tightened up after the
> > first few flights and it caused sudden failure.  I like to set the
> > clearences on the tight side, but if they're tooooo tight, bad things
> happen
> > :)
> >
> >
> > -----Original Message-----
> > From: Henderson,Eric [mailto:Eric.Henderson at gartner.com]
> > Sent: Thu 7/31/2003 9:11 AM
> > To: discussion at nsrca.org
> > Cc:
> > Subject: RE: YS 140L Help
> >
> > I would not run an L with less than 20%.
> >
> > regards,
> >
> > Eric.
> > -----Original Message-----
> > From: discussion-request at nsrca.org 
> > [mailto:discussion-request at nsrca.org]On
> > Behalf Of jim ivey
> > Sent: Wednesday, July 30, 2003 11:07 PM
> > To: discussion
> > Subject: Re: YS 140L Help
> >
> >
> > Larry
> >  Make sure the clunk is not in the front of the tank. It is not Folded
> > backwards. Check the plug and make sure low end idle is set correct. 
> > Also
> > maybe lean it some more so that the top end won't be so loaded with fuel
> > that it puts plug out when you pull it back to idle. Sometimes My 140's
> will
> > quit if I jerk them back to idle, if the are too rich on top end. I know
> > guys my low end may not be right either.
> >
> > just tho'ts
> > Jim Ivey
> >
> > ----- Original Message -----
> > From: jed241 at msn.com
> > Sent: Wednesday, July 30, 2003 10:52 PM
> > To: NSRCA
> > Subject: YS 140L Help
> >
> > I have a 140L in a Focus. Has been flying very well and very strong, 
> > with
> > never a problem. I have about 10 flights on this barely used engine and 
> > I
> > flame out in a very uncomfortable attitude. Vertical climb flamed out at
> > about 25% of the vertical in a stall turn. I was settled at 3/4 
> > throttle,
> > never need full throttle flying Sportsman with this plane.
> >
> > Although at the down wind part of the field and pointed the wrong
> direction
> > when the engine quit (straight up), I was able to drag her all the way 
> > in
> > and still managed to make it a very hot landing <vbg>.
> >
> > Anyway, What kind of things would cause a very strong running motor to
> just
> > quit? If anything it was a tad bit to the rich side with a exhaust 
> > trail.
> >
> > Fuel is WildCat 15% Nitro 18% Synth (no castor).
> >
> > Pretty vague question I know, just curious what this typically ends up
> > being. I was planning on taking it to a contest this weekend.
> >
> > See ya,
> >
> > Larry
> > =====================================
> > # To be removed from this list, send a message to
> > # discussion-request at nsrca.org
> > # and put leave discussion on the first line of the body.
> > #
> >
>
>
> =====================================
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>
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