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Re: Fwd: Building The World's Smallest v12 Engine

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  • Terry Parker
    What you see is an air pump not a real engine. It is built as a 2 cycle with valves. Look at the cam gear ratios, they are 1:1 not 2:1 as it should be. The
    Message 1 of 7 , Jul 1 2:09 PM
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      What you see is an air pump not a real engine. It is built as a 2 cycle with valves. Look at the cam gear ratios, they are 1:1 not 2:1 as it should be. The unsupported crank would not last long under running cylinder pressures.

      BUT it is a great example of machining small parts.

      Just a thought(;-) TP


      --- In mach1mach2cnc@yahoogroups.com, Andrey Lipavsky <andrey@...> wrote:
      >
      >
      >
      >
      > This is incredible. And it actually runs. The visible portion of the turning looks CNC-smooth, so it should be within scope for this group.
      >
      > http://www.break.com/index/building-the-worlds-smallest-v12-engine-2475619
      >
      >
      > Sincerely,
      > Andrey Lipavsky
      > www.EssexJewelers.com
      > 347-388-7208
      >
    • chuck
      it would appear you are correct Terry here s a blown V8 that is machined in a home shop that is a true running IC engine. not mine just a related video that s
      Message 2 of 7 , Jul 1 3:01 PM
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        it would appear you are correct Terry here's a blown V8 that is machined in a home shop that is a true running IC engine.
        not mine just a related video that's the real thing.

        http://www.break.com/video/ugc/worlds-smallest-v8-engine-410559

        Chuck

        ----- Original Message -----
        From: Terry Parker
        To: mach1mach2cnc@yahoogroups.com
        Sent: Monday, July 01, 2013 5:09 PM
        Subject: [mach1mach2cnc] Re: Fwd: Building The World's Smallest v12 Engine




        What you see is an air pump not a real engine. It is built as a 2 cycle with valves. Look at the cam gear ratios, they are 1:1 not 2:1 as it should be. The unsupported crank would not last long under running cylinder pressures.

        BUT it is a great example of machining small parts.

        Just a thought(;-) TP

        --- In mach1mach2cnc@yahoogroups.com, Andrey Lipavsky <andrey@...> wrote:
        >
        >
        >
        >
        > This is incredible. And it actually runs. The visible portion of the turning looks CNC-smooth, so it should be within scope for this group.
        >
        > http://www.break.com/index/building-the-worlds-smallest-v12-engine-2475619
        >
        >
        > Sincerely,
        > Andrey Lipavsky
        > www.EssexJewelers.com
        > 347-388-7208
        >





        [Non-text portions of this message have been removed]
      • Dave
        Oh terry you big spoil sport
        Message 3 of 7 , Jul 1 3:04 PM
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          Oh terry you big spoil sport

          Terry Parker <vmax549@...> wrote:

          >
          >What you see is an air pump not a real engine. It is built as a 2 cycle with valves. Look at the cam gear ratios, they are 1:1 not 2:1 as it should be. The unsupported crank would not last long under running cylinder pressures.
          >
          >BUT it is a great example of machining small parts.
          >
          >Just a thought(;-) TP
          >
          >
          >--- In mach1mach2cnc@yahoogroups.com, Andrey Lipavsky <andrey@...> wrote:
          >>
          >>
          >>
          >>
          >> This is incredible. And it actually runs. The visible portion of the turning looks CNC-smooth, so it should be within scope for this group.
          >>
          >> http://www.break.com/index/building-the-worlds-smallest-v12-engine-2475619
          >>
          >>
          >> Sincerely,
          >> Andrey Lipavsky
          >> www.EssexJewelers.com
          >> 347-388-7208
          >>
          >
          >
          >
          >
          >------------------------------------
          >
          >www.machsupport.com - Web site AccessYahoo! Groups Links
          >
          >
          >
        • Lynn Kasdorf
          If you folks ever get a chance to attend the Cabin Fever Expo in York, PA, there are always several functioning teeny engines that are just mindblowing. There
          Message 4 of 7 , Jul 1 3:15 PM
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            If you folks ever get a chance to attend the Cabin Fever Expo in York,
            PA, there are always several functioning teeny engines that are just
            mindblowing.

            There was an older fellow who had made several miniature radial engines-
            with pistons about 1/4" diameter or smaller- complete with rings! Amazing.

            Still, this V12 represents some excellent miniature machining.

            Lynn Kasdorf
          • Steve Blackmore
            ... The crank is clearly being hand turned at 1min 31 seconds in.. Steve Blackmore --
            Message 5 of 7 , Jul 1 3:56 PM
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              On Mon, 01 Jul 2013 13:41:54 -0400, you wrote:

              >
              >
              >
              >This is incredible. And it actually runs. The visible portion of the turning looks CNC-smooth, so it should be within scope for this group.

              The crank is clearly being hand turned at 1min 31 seconds in..

              Steve Blackmore
              --
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