YS 1.20 AC

[L Caldwell]

I had a YS-110 doing the same thing, especially when throttling down.
Changing the glow plug seems to have fixed the problem, at least it 
didn't show up today.  It was to the point where I was getting afraid to 
fly it.

Larry

Bob Harden wrote:
> Jerry,
>  
> When you determine what the problem is, let us all know.
>  
> Bob
> 
>     ----- Original Message -----
>     From: jjvoth <mailto:jjvoth at mtelco.net>
>     To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>     Sent: Friday, May 20, 2005 10:02 PM
>     Subject: Re: YS 1.20 AC
> 
>     I didn't take the engine apart to look at what Eric was talking
>     about but I did blow through both the crankcase and the air box and
>     both seemed to be open.
>      
>     Jerry
> 
>         ----- Original Message -----
>         From: Richard Strickland <mailto:richard.s at allied-callaway.com>
>         To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>         Sent: Friday, May 20, 2005 3:41 PM
>         Subject: Re: YS 1.20 AC
> 
>         Eric's ideas seem to have merit.  When they've run well in the
>         past and start acting up, many times it's just a tiny piece of
>         crap driving you nuts.
>          
>         Richard
> 
>             ----- Original Message -----
>             From: Jerry Voth <mailto:jjvoth at mtelco.net>
>             To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>             Sent: Friday, May 20, 2005 3:31 PM
>             Subject: Re: YS 1.20 AC
> 
>             Let me put it this way;NO!!!!
> 
>                 ----- Original Message -----
>                 From: Richard Strickland
>                 <mailto:richard.s at allied-callaway.com>
>                 To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>                 Sent: Friday, May 20, 2005 3:24 PM
>                 Subject: Re: YS 1.20 AC
> 
>                 Hi Jerry,
>                  
>                 You might check to see if your motor mount or something
>                 else has loosened a bit and allows some part to come in
>                 contact with something it shouldn't--like pinching a
>                 line. Possibly look at the nose ring area and a shift
>                 that may cause some drag.  Don't you love the
>                 intermittent mystery?!
>                  
>                 Richard
> 
>                     ----- Original Message -----
>                     From: jjvoth <mailto:jjvoth at mtelco.net>
>                     To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>                     Sent: Friday, May 20, 2005 1:17 PM
>                     Subject: YS 1.20 AC
> 
>                     Anyone have any ideas why this engine quits running 
>                     when exiting the triangle loop or the full roll
>                     after the half inside loop in the Masters pattern.
>                     I can't remember ever having this engine quit since
>                     it was new. I've checked the fuel lines, replaced
>                     the pickup line in the tank, changed the diaphragm,
>                     checked the fuel passages in the regulator and carb,
>                     changed plugs, reset the idle screw and cleaned the
>                     filter. It runs fine with plenty of power (for an
>                     AC) and it doesn't quit on the above maneuvers every
>                     time.
>                      
>                     Any help would be appreciated.
>                      
>                     Jerry
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