| From: Trent
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| Date: 09-Oct-17 |
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Hi everyone. I am trying to make a selfbow out of bamboo laminate decking. It is all vertical grain in 1/4" widths glued together by 5/8" thickness. I am making it 64" long with a bamboo glued handle piece of 8". I used Titebond3 to glue the handle up. As I tiller it gains set and I can hear some cracking. Should I back this bow with linen before I tiller or is Bamboo decking not worth the trouble? Any help would be greatly appreciated. Thanks all!!
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| From: badger
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| Date: 09-Oct-17 |
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I would stop all together, laminate bamboo is not bow making wood. If it is taking set already it won't be worth the work you are putting into it. No sound is good from a bow, it is already broken.
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| From: 4nolz@work
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| Date: 09-Oct-17 |
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Did you glue the laminates with titebond also??
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| From: dean
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| Date: 10-Oct-17 |
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I helped a guy with his bamboo laminate a few years back. I had some Urac, we put a major back set in it, and backed it with raw bamboo. It was till maintaining some of the back set the last time I saw it, I tweaked the tiller a little and refinished it. It does not shoot as fast as my glassed bamboos, but it is accurate, gentle, smooth and fast enough. It is around 53 at 27" and 66" long to the nocks. I keep waiting to hear about creaks and cracks, but nothing so far.
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| From: dean
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| Date: 10-Oct-17 |
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I always wonder about the heat resistance of the stuff, since it is glued lams. We heated my ice shack to 125 degrees and preheated all of the lams for over an hour before gluing.
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| From: Phil
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| Date: 10-Oct-17 |
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If your laminating, adding a backing and adding a handle section ... it isn't a selfbow
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| From: Trent
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| Date: 10-Oct-17 |
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I'll probably try and back it with some raw bamboo. Thanks everyone.
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| From: dean
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| Date: 10-Oct-17 |
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I should point out the back set put into that bow. A form was made from a green 2by4. It was made by tracing a fishing rod blank. A straight line drawn on the side of the 2by4, the theoretic center of the bow marked on the 2x4 and that length guessed on the rod blank from the center to the nock length. A screw above the blank at the center and one below 7". The rod blank was bent to give a 2" back set, and screw added to hold it in place, then the rod was traced. Same for the bottom limb except 1.5" shorter from that center. Then cut out with a band saw. Really backyard mechanic stuff, but it worked.
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