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Re: [SCA-Archery] Re: bow weight

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  • John edgerton
    Thank you. That was the rule of thumb that I had read and heard before. But, just could not get my feeble olde brain to remember. Jon
    Message 1 of 6 , Jun 4, 2005
      Thank you. That was the rule of thumb that I had read and heard
      before. But, just could not get my feeble olde brain to remember.

      Jon
      On Saturday, June 4, 2005, at 12:06 PM, jameswolfden wrote:

      > The difference in thickness between a 60 pound bow and 35
      > pound is minimal regardless of bow type. This is one of the
      > reasons why many first time bowyers end up building bows far
      > lighter than they planned.
      >
      > The poundage is usually controlled by the width of the limbs
      > rather than the thickness of the limbs as it is less sensitive. The
      > rule of thumb is that doubling the width will make a bow twice as
      > strong while doubling the thickness will make a bow 8x as
      > strong.
      >
      > If I add another layer of sinew, I am changing the thickness of the
      > bow. Typically, you will want the thickness of the sinew layers to
      > equal the thickness of the horn layer. The horn layer can be
      > gently scraped to drop poundage although some modern
      > bowyers will preshape the core wood before laminating based
      > on their experience.
      >
      > James Wolfden
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