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  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    When it comes to the castings, just assume any mating surface is a machined surface. Therefore a mating surface in the casting is...
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    Thank you all for the encouragement. As I wrote earlier, I built the engine and failed. I was never able to get my valves to seal. I...
  • vederstein
    vederstein reacted to Longboy's post in the thread The great O ring discussion with Like Like.
    Well....no it does not. Simple, effective, durable and available components enhance and grow interest in modeling engines as in many...
  • vederstein
    vederstein replied to the thread The great O ring discussion.
    Oh hell, not again. This hobby is dying. Why make the barrier to entry more difficult by criticizing how people make their engines...
  • vederstein
    vederstein replied to the thread Engine Valves.
    I give in. This engine has defeated me. I started with spool valves. I redesigned to poppet valves. I made the poppet valves and cages...
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    ...and finally the casting patterns in .stl format...
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    The solid model of the engine in Step format... Note that the step file is zipped.
    • Capture.JPG
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    ...more part prints....
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    And now individual part prints...
  • vederstein
    vederstein replied to the thread T-Head Engine Plans.
    First up we have assembly drawings...
  • vederstein
    vederstein posted the thread T-Head Engine Plans in Plans.
    Ok, For me, this engine was a failure. I just couldn't get the valves to seal worth a damn. I don't necessarily think it's in the...
    • Capture.JPG
  • vederstein
    vederstein reacted to ranger's post in the thread Engine Valves with Like Like.
    Hi, A couple of things, how wide are the seats in the head? If they are quite wide,do you think they may seal better if they were...
  • vederstein
    vederstein replied to the thread Engine Valves.
    Yeah, I did that. I also took the head and with the valve(s) and valve guide(s). Spring loaded them from the rear and turned them in...
  • vederstein
    vederstein replied to the thread Engine Valves.
    Thus far all my attempts have failed. I've redesigned the engine for poppets and made the valves and vale guides twice. My second try...
  • vederstein
    I've been using professional CAD for 25+ years now. I've used Intergraph EMS, Solid Edge, Solidworks, Autodesk Inventory. I've played...
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