140L problem

[Todd Schmidt]

Thanks everyone for your input. I have a new case of CP Heli 30 and will try that today.  I'll be sure to let you all know how it comes out.

thanks again!

Todd
  ----- Original Message ----- 
  From: Douglas Bennett 
  To: discussion at nsrca.org 
  Sent: Sunday, September 04, 2005 11:30 PM
  Subject: Re: 140L problem


  Sounds like fuel to me.  Maybe to much oil in this batch.  Easy to find out just try some Cool Power 30 Heli.  See what happens.  Seams like you were having this problem in St. Louis.  Have you pulled the head off to see if the build is anywhere else like the the valves?  

  Todd Schmidt <tschmidt at classicnet.net> wrote: 
    Has anyone had a problem with an engine carboning plugs. My engine will run
    fine on the first flight of the day.
    Start the engine the second time, sounds good at first but will load up
    while getting ready to take off. Won't clean out. Shut down, restart, runs
    up good and then loads up again. Change the plug and everything is good for
    two or three flights. Starts acting up again and I find a carboned plug.

    I had this problem about a month ago right after cracking open a new can of
    fuel. Ordered new fuel (new order came in with same batch# as suspicious
    gallon) and had good luck for a couple gallons, but back to "not so
    good".... Could fuel possibly be the problem? Engine has run very consistent
    until now.

    Powermaster DZ 30
    OS F plug
    Hatori Pipe (new mid season)
    NMP header
    16X11 APC prop.

    Thanks for any suggestions!

    Todd


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