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  • coulsea
    coulsea replied to the thread The great O ring discussion.
    A very enjoyable thread. I recently had a comment to one of my posts about my way being unnecessary ( no i am not offended) and it made...
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    This is what I use. to get the curved holes I drill the main hole (6mm) 6mm in from the end which will leave 3mm of metal between it and...
    • IMG_2236.JPG
  • coulsea
    coulsea replied to the thread O-ring for piston ring.
    The first time I used O rings I thought that two must be better than 1, it would lock solid after a few turns.
  • coulsea
    coulsea replied to the thread module 1 gear cutter question.
    Jasonb. I have changed my spreadsheet to use your 1.4 for module 1 or less and it will change to 1.25 above module 1. It is a small...
  • coulsea
    coulsea replied to the thread module 1 gear cutter question.
    I get 2.25mm depth of cut using my spreadsheet.
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    good work. Be patient it will improve as it runs in, particularly the valves. It will start and run at lower speed once it is run in and...
  • coulsea
    coulsea reacted to retailer's post in the thread Upshur Twin valve timing with Like Like.
    Back when I was a school kid messing around with motor bikes the local motor cycle wrecker said to set the valves rocking at top dead...
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    I Agree the best way to seat valves and get rid of tight spots is under fire. it sounds like you were nearly there, put the throttle in...
  • coulsea
    coulsea replied to the thread Upshur Twin valve timing.
    A bit more clearance in the intake rocker will make the intake valve open a bit later to avoid overlap or move the cam one tooth so that...
  • coulsea
    coulsea replied to the thread Upshur Twin valve timing.
    These engines are meant to run, not set the standard for horsepower or fuel efficiency. you have quite a bit of leeway when it comes to...
  • coulsea
    coulsea replied to the thread Plans for my first build/s.
    Model IC Engines (john-tom.com) 3rd one on this page is the webster, lots of builds on this forum. not free but not expensive, the red...
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    The carb should suck not blow. valve timing being out by 1 degree is insignificant. as long as the exhaust valve closes at or just...
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    Looking back at your video I notice that you don't touch the carby. I have tried those carbs and found that they don't function like...
  • coulsea
    coulsea replied to the thread Yet Another Webster Begins.
    My battery drill will not start a new engine, just not fast enough (1200 rpm should work), if you have leaks in the valve block, valves...
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