YS DZ 140 Problem

[Isaac Najary]

Yes, Don
I have 60 flights on the engine, I did'nt check the foam clunk, how does it hold during the time?

Isaac
  ----- Original Message ----- 
  From: don szczur 
  To: discussion at nsrca.org 
  Sent: Saturday, May 24, 2003 4:59 AM
  Subject: Re: YS DZ 140 Problem


  You are using the foam clunk that comes with YS.?
    -----Original Message-----
    From: Isaac Najary <najary at netvision.net.il>
    To: discussion at nsrca.org <discussion at nsrca.org>
    Date: Friday, May 23, 2003 11:54 AM
    Subject: YS DZ 140 Problem


    Hi All,

    The problem started about 10 flights ago. I started to feel that on the lines up, the engine loses power.
    The situation got worse although all the needle set up I tried (I tried to make it richer and leaner).
    Today we had a contest, on the first round, when I did the P-03 figure 9, the engine stopped running on the top. 
    On the second and the third rounds, the engine stopped running immediately after take off.
    On the ground the engine worked OK, but when I got to the air, the engine stopped after a few seconds.
    I changed the plug, the fuel, tried to reset the needle valve and the ideal screw and it didn't help.
    Does anybody know what can be the problem?

    Please help.

    Isaac Najary, Israel

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