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  1. View Conversation
    Hello Billski,
    Thanks for your offer of the Willford spreadsheets. I had downloaded a lot of these a long time ago and had completely forgotten I had them . I can't seem to find where they hid the spreadsheets at Osh365 so I wonder if you could tell me if I've missed any important ones. I have: structure, wood design, flying qualities, control surface balance, metal design, more-less, airloads, wing design, LG design, s204 design, cooling. I'm slogging along, learning this stuff from books and articles so these tools are very helpful.
  2. View Conversation
    I'd really like to have a copy of those spreadsheets that you offered up. If you don't mind, send them to .

  3. View Conversation
    I don't want to be a pain but I'd love to have your spreadsheets too so I can compare to what I have and see if I got everything covered.

  4. View Conversation
    Hi Billski,
    Could I have a copy of your EAA spreadsheets?
    Thanks heaps
  5. Flat plate area is he equivalent frontal area of an airplane, the fuselage, or whatever. It is the sum of A*Cd. The Long EZ's total flat plate area is about that of a standard piece of writing paper.

  6. View Conversation
    I have a question about the spreadsheets, what is the flat plate area??
  7. View Conversation
    I'd also be interested in the spreadsheets if possible. Thanks!

  8. View Conversation
    Hi Billski
    I finally finished my cnc cutter and have 4 cubic meters of foam sitting in my basement.
    I am in the phase of defining the final design before cutting and would very much appreciate if you could send me the mentioned spreadsheets.
    My email is:
    Thanks and regardsw
  9. View Conversation
    Since you've made the offer maybe there is a spot on the band wagon for me too! Thanks...
  10. View Conversation
    Billski, I would also like to get the spreadsheets, if not too late...
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About wsimpso1

Basic Information

About wsimpso1
Current / Future projects:
Composite, My Design, Making last of the Big Parts
My Aviation Interests:
Traveling, aerobatics
Location (city, state / Country):
Saline Michigan


Billski's opinions expressed here are available free and may be worth the money you paid for them. Understand that they are based upon a successful combination of education and a lifetime of experience using that education, but I can not know everything about your circumstances. Your choices are yours alone, and you must be the final judge on what you do. No whining...


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