Bow lamination thickness. I want to build two bows. I guess what I am asking is how do you know how thick to make the lams for any given weight of bow. Sep 14, 2011 · Again, wood is inconsistent, so you can't guarantee X thickness will produce Y draw weight. Longbow forms are usually 1 1/2" thick and recurve forms are 1 3/4" or 2" thick. etc. Back Hickory, core Ipe, and Eastern Maple for the belly. Bow forms are usually made from appropriate sized pieces of plywood, laminated together to the correct thickness. The first to be 40 pounds, and the 2nd bow 60 lbs. With practice you can get close, but the type of wood, length and width are also factors, not just thickness. Sometimes even master bowyers miss their target bow weight. Now I have plans with three woods. To achieve the longbow thickness, 2 pieces of 3/4" plywood glued together will get the desired results. For all of you guys that make laminated bows is there a chart comparing the thickness of a bow with the poundage. This chart will help you select your laminations and fiberglass for your bow building project but we cannot accept responsibility for your bow. Where can I find how thick I want my laminations and how long of a form I want to make "X" draw weights? Or how many laminations do I need of what thickness for the weight I'm shooting for?. Your first few bows will probably be complete guesses. Using the Bingham's draw weight chart, for a 1 3/4" width 62" take down recurve between 50 and 55 lbs. I have my bow heat box built and tested. The bow will start out at 68 inches long and the style of bow is Reflex Deflex. It all depends on the bow design including bow length, profile, limb width, etc. Jul 22, 2009 · The thickness of the laminations will determine the draw weight of the bow and the taper will help define the curve of the limbs. xdw nrrht gmqoiu qcazaut qqlhi lnmynr jajqae ndyrpg gaov iyuxv