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Does some woods hold heat longer? & bow build
Bob Barnes:
so you hit the weight that you wanted, a mass that you predicted, a great speed at 175fps, a beautiful tiller, and a killer looking profile unstrung, strung, and at full draw... what's not to like? :) Wood varies so much that maybe the next one will shoot further and faster...maybe not, but it's still a killer bow. Thanks! :OK
Selfbowman:
Dave I don’t get it. This mass is 1/4 less in size yet it weighs the same as Osage. AND ITS HICKORY . This must be very dense. Where is Badger at?
superdav95:
My thinking is that there is still some heat treatment that can be done or should have been done prior to 20” draw. After about 20” it starts showing signs of set in limbs. If a deep heat treatment is done prior to this then the cells of the wood are hardened sufficient to better withstand the approaching set generally after 20”. This is depending on many things like method of tiller and bow design and wood quality. I’m pretty sure your tiller is spot on and the wood is good so I think there may have been more heat treatment that could have been done perhaps or maybe there are limits to the heat gun or your set up for heat treatment. On my end here I saw less mass and very little set. The end result was similar to your bow in style and basic dimensions so the only other reason in my mind would be the heat treatment difference. In fact I believe if I sent you a heat treated blank you’d likley get better results the I would with it. With your experience on your design I believe this to be the case. It’s my feeling it is to be the deciding factor.
Bob Barnes:
I feel smarter just knowing you two (Arvin and Dave)... :OK I think Dave is likely spot on about the difference being the heat treat...that's why I'm really looking forward to his super Dave informative heat treating tutorial. Maybe we can even get Marc to chime in...? I miss hearing from you Marc. Thanks guys...this is good stuff that will help lots of people make better bows.
Selfbowman:
Dave have you ever cooked one in a hot box. I have tried Osage this hat way eats ago. Trying to dry green wood with little success. My hot box will maintain about 180-200 degrees. My fear is the back might get to hot. But I could clamp a fire hose between the caul and the bow with maybe just 5-10 pounds or air in it . Trying to protect the back some . 5-7 hours should dry it out I would think.
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