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  • Users: m899nyc
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  1. m899nyc

    Rebuilding small engines for longer life

    I’ve had flathead Kohler and single cylinder Honda engines last around 10,000 hours, but I can’t seem to get more than 1500-2000 of life out of a Briggs and Stratton I/C flathead. Is there anything I can do to increase the longevity of this engine, possibly different rings, or cylinder coating...
  2. m899nyc

    Electroplating cutting edges

    Can worn cutting edges on steel or iron tools be built back up with electroplating?
  3. m899nyc

    Metal on Metal Contact Movement OK if there is no load?

    I read that some people do not lubricate their micrometers because the screw is "highly finished" and gently adjusting the screw with "no load applied" should not result in wear. Something about that sounds wrong to me, but is it actually wrong?
  4. m899nyc

    Adding rigidity to a sawzall blade

    Is there any realistic way to add a spine or some other way of making a reciprocating saw blade rigid to provide a straight cut in wood?
  5. m899nyc

    2-stroke engine runinng on turpentine?

    Someone told me you could run 2-stroke outdoor power equipment on straight turpentine and that Honda originaly did the same thing with their original motorbike engines. Is this true? I can't see how turpentine could lubricate and fuel at the same time.
  6. m899nyc

    Wheel Tracks?

    I came across this video showing "wheel tracks" used on a skidder: https://www.youtube.com/watch?v=msPGQTsXk5Y Why are these called "wheel tracks" when they appear to be a glorified tire chain? Do they operate in any way like a caterpillar track or different than wheel chains?
  7. m899nyc

    Wet Cylinder Liners

    Is there a limit to the number of times you can rebuild an engine if you use wet sleeves? My understanding is that wet sleeves act as the actual cylinder and are held into the block with an o-ring. If you can simply remove the sleeves and overhaul the engine, does this mean an classic engine...
  8. m899nyc

    Estimating Cylinder Head Airflow/Internal Combustion Engine

    Can someone please help me? I'm looking for an equation to estimate the actual airflow (in cubic feet per minute) through a cylinder head. Theoretically, an intake valve should be open for one quarter of a minute (one out of four strokes), but this of course varies with cam profile, etc. Also...
  9. m899nyc

    Supercharging Question

    Hi, yes, I have a very specific question regarding automotive engineering. I understand that my background is in electrical engineering - I'm not sure if I'm permitted to post in htis area - but I cannot seem to find the answer to this question anywhere. Is it possible to supercharge any...

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