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Re: pop-pop engine with one end of the tube closed off

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  • jeanyves_renaud
    I just added a photo album Single pipe engines
    Message 1 of 26 , Sep 21 9:34 AM
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      I just added a photo album "Single pipe engines"

      --- In pop-pop-steamboats@yahoogroups.com, "jeanyves_renaud" <boite.de.j-y@...> wrote:
      >
      >
      > Hi John,
      >
      > I use to say (and write) that any pipe with one end closed and heated
      > can work as a pop-pop engine. As Frank mentioned, when the diameter is
      > small there is some difficulties to fill the engine. But I built and ran
      > successfully this type of engine from inner diameter 4mm to ID 40mm.
      >
      > However I must confess that for small engines the heating window is
      > generally narrow. That is why it is difficult to run such an engine with
      > a candle.
      >
      >
      >
      >
      >
      >
      > --- In pop-pop-steamboats@yahoogroups.com, "John YAHOO" <v321uk@>
      > wrote:
      > >
      > > Just spotted this patent for pop pop engine. One end of the tube is
      > closed off. US 3898800
      > > Has anyone tried making one? Did it work? better / worse?
      > >
      > > http://ip.com/patent/US3898800 Look in the box marked Options and
      > click download pdf
      > >
      > > John
      > > G3UGY
      > >
      >
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