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Joe Bartok

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Showing Visitor Messages 1 to 3 of 3
  1. 12-04-2009 04:51 PM
    ilex
    Joe,
    Can you tell me why there is a differece between a ellipse layout and an Oval laout when the major and minor axis' start the same. I cut out some ellipses for window trim and the dimensions lost an 1/8" near the tight curve. Thank you ilex
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  2. 11-12-2009 08:53 AM
    GDeckel
    Hi Joe,

    I was wondering what happen to the web page
    http://ca.geocities.com/web_sketches/

    I was finding it very enjoyable going through the math.

    Michael (GDeckel)
    • View Conversation
  3. 06-16-2009 02:59 AM
    Topaz
    Joe,
    Hope you don't mind me sending you a message; I just wanted to say how much fun I have had out of studying your contributions around roofing trigo/geometry.
    Also to send you this link:
    http://www.isobevel.com/MiterDeriv.pdf
    This is a trigonometrical derivation of the miter and blade angles for cutting crown moldings.
    I wonder if we can step from there to your hip rafter backing angles? Or vice versa.
    I am tending to use the pyramid as the neutral paradigm.
    Your dihedral derivation/calculation was my entry point to this fascinating world.
    So we are talking about the dihedral from two, unequal backing angles.
    Many greetings,
    Robert (Topaz)
    • View Conversation

About Me

  • About Joe Bartok
    Location
    Ontario
    Interests
    Numbercrunching

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  • Join Date: 10-06-2004

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