Primitive Archer
Main Discussion Area => Bows => Topic started by: JoJoDapyro on October 21, 2014, 02:00:09 pm
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What are the chances of a Maple, Mahogany, Cedar tri-lam surviving? Maple back, Cedar belly? I don't care if it comes in at 20 pounds. I glued it up with some reflex, and made a 4 lam riser for it last night. I can cut the shape tonight. Let me know what you think. Thanks
Joe
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Never made one myself, never know till you try I guess. Patrick
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I guess your about to find out!
I dont build lams, not sure about mahogany as a core.
I think guys usually use lightweight woods that glue well?
Let us know how she turns out
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What species of "mahogany"? There are at least ten totally different wood species called mahogany.
What species of "cedar"? There are at least five totally different wood species called cedar.
Any wood will make a bow. You just have to design the bow accordingly. A 1" wide ELB with a D-shaped cross section will simply not work for a hunting weight bow made from wood with a specific gravity below 0.4. A 3" wide flatbow is much more sensible option then. How wide and how long is your blank?
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I tried a tri lam with mahogany core, it was a no go its a very brittle wood, but ya got it glued up go ahead can't hurt
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The only thing I am going by on any of these woods is smell, and chemical reaction. The lightest color is what I suppose is Maple. It is maybe 3/4 wide, and 1/2 thick. The core is what I suppose to be mahogany, as it is darker, and sands to almost a pink color, and smells "Spicy". The core lam is about 1/8. The belly is for sure Cedar, as it smells like cedar, it is also 1/8. The "Maple looks to be maple, and when hit with baking soda and water have very little color change, so there is low tannin's, like maple would be. Tyke tied a string to one 50 inch section of it and threw it on my tiller rack, and pulled it to 27 inches before it broke, but that was just a 3/4 X 3/4 board. It ended up breaking at a run-off. I'll post some pictures when I get home. I have never built a Lam bow either.
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20lbs isn't much to ask from any wood. With some exception. I would trap the back, which would lessen the compression stress that is going to be on the cedar. In my opinion the cedar is the weakest link.
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Do you have pictures? I think those woods are kindof iffy. "Cedar" could mean anything because western red cedar a true cedar will not make a bow while Eastern red cedar will. Eastern US that's basically the only cedar we even come across and it's actually a juniper.
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I got home and figured I'll just make a bow of it and learn, one way or another! It's all be tillered now.
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ive glued up pieces that i didnt think would survive,but turned out to be a good bow.So you dont know unless you try! Sometimes its better to be lucky than good ;D
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Just do it already
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Gosh Tyke, I did! Your knife is almost done too. Best work I have ever done!
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That combo is pretty much doomed from the get go >:D
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Yeah, Pine and alder bows don't work either, so we'll see! Only one way to find out.
How much should I trap the back? That is all that is left besides tiller.