[NSRCA-discussion] YS 1.60 for sale

[R. LIPRIE]

Robert I would try using a little smaller prop. Like a 16-7 APC plus I was having a simular problem with 160 and. I put  a fuel pump on it. And now it runs like a charm. So go ahead and try it. If it dont work tell me i'll give more solutions. I used to work on 2 strokes alot but now im a YS man. 
                                                                                                      Matt
  ----- Original Message ----- 
  From: Robert & Casey Green 
  To: NSRCA Mailing List 
  Sent: Sunday, July 02, 2006 4:34 PM
  Subject: [NSRCA-discussion] YS 1.60 for sale


  Hey Guys cleaning out the closet and found this.  YS 1.60 brand new in box.   $610.00 shipped to your door and insured.   
    ----- Original Message ----- plus 
    From: Paul Duffy 
    To: nsrca-discussion at lists.nsrca.org 
    Sent: Saturday, July 01, 2006 10:56 AM
    Subject: [NSRCA-discussion] Mintor 140 help



    I have a Mintor 140 in a Patriot, using Mintor's header and carbon fiber pipe with ~1/2" between the header and pipe, turning an APC 17-12N.  I have just broken it in running 5 tanks (14 oz ea) of PowerMaster 15%.  I am running it on the rich side, turning about 7000-7200 rpm.  After starting the engine, I run it up for a few seconds before disconnecting the glow plug, then I bring it back to a fast idle (~2200 rpm).  By the time I get it out to the flight line to take off (a few seconds), when I open the throttle it loads up and dies.  I have started to lean out the idle mixture a bit and this seems to help.  I am a little hesitant to lean the main needle further - I had to replace the piston/ring/cylinder liner due to previous lean runs (entirely my fault).  Once I get it in the air, it seems to run fine, but the fuel seems to run out quickly.

    The other thing that is happening is that the carb drips a bit after I fill the tank.  It was much worse when the tank was above the wing tube, but I repositioned the tank in front of the wing tube, as low as possible, and it isn't as bad as it was.  This is a 16 oz tank.

    My plan is to do the following:
      a.. Start the engine, run it up to full throttle, monitor the rpm with a tach, then turn in the main needle until the rpm peaks and then drops (indicating lean), then richen it 3 or 4 clicks.  I'll try to fly it like this and see if I have the same problem. 
      b.. If it is still loading up on idle, then I'll lean the idle mixture further and repeat the previous step.
    Is this a good approach?  Any other thoughts?

    Thanks.


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