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70008Re: 50% heavier.. WAS.. [bolger] Re: Options for ply thickness for similar sharpie construction on simila

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  • Leigh
    Dec 24, 2013
      Ok that's enough now. Play nice. Santa is watching

      Leigh Ross

      484-464-1575 (C)
      www.unicornkayaks.com



      > On Dec 24, 2013, at 18:19, John Weiss <jrweiss98020@...> wrote:
      >
      > 3/8 is 50% more than 1/4:
      >
      > 150% = 150/100 = 3/2
      >
      > 1/4 x 3/2 = 3/8
      >
      >> On 12/24/2013 11:05, Chief Redelk wrote:
      >> Quote..<If you assume that ¼” and 3/8’” plywood have equal densities,
      >> 3/8” weighs 50% more than ¼”. If you assume a straight substitution of
      >> 3/8” for ¼” (with no change in framing), then a hull made if 3/8” will
      >> weigh 50% more than an identical hull made of ¼”.>
      >>
      >> John, not doubting you but my thinking went like this..
      >>
      >> If a boat would weigh 60 lbs in 1/4 ply it seems 3/8 ply would be
      >> adding only 1/3 more wood..it should weigh 1/3 more..For example a 90
      >> lbs boat normally made out of 1/4 built with 3/8 ply should have 30
      >> lbs more wood added so it seems it would weight 120 lbs built using
      >> 3/8 ply...
      >
      >
      >
      > ------------------------------------
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