Main Discussion Area > English Warbow
Backing for Tri-laminate ELB
Del the cat:
--- Quote from: Pat B on January 20, 2019, 10:34:23 am ---IMO, I think you would be better served to use the ipe for the belly and the yellow heart for the core. Ipe is very strong in compression. I know the color combo would probably look better with the darker wood as the core but I'd be more interested in performance than beauty...not that it would be not beautiful either way.
--- End quote ---
+1
The core does less work than the back or belly, so it wants to just be stable and light.
The middle lamb should be tapered, but just taper one face... the angle is so slight it's not worth trying to taper bathe faces. At the centre where the two tapers meet it will give a V slight raised pint, this can just be sanded to flatten it or blend it to a gentle even curve so the belly lam will glue down well.
Del
DC:
Bamboo backing is very thin. Approximately 1/8" in the handle and tapering to 1/16" at the tips. If you are making a wide bow it may be thicker depending on the original diameter of the bamboo log.
Marc St Louis:
I like Yellowheart but I would use the Ipe for the belly as well. For an 80" bow pulling over 100# I would use a Bamboo backing a bit thicker than 1/8" thick. Quite frankly I would make the bow somewhat shorter than 80", unless you are making a bow that will pull well over 32" of draw. I also find that Maple is a better backing material than Hickory
Redhawke:
--- Quote from: Marc St Louis on January 21, 2019, 12:30:43 pm ---I like Yellowheart but I would use the Ipe for the belly as well. For an 80" bow pulling over 100# I would use a Bamboo backing a bit thicker than 1/8" thick. Quite frankly I would make the bow somewhat shorter than 80", unless you are making a bow that will pull well over 32" of draw. I also find that Maple is a better backing material than Hickory
--- End quote ---
Marc St Louis the young man this bow is intended for has a 32" draw to his anchor point. My thinking has been that the longer bow would make the (for me at least) high draw weight easier to for him to handle, he is 6'2" tall. How long for the given draw weight and his height do you think would be appropriate ?
Marc St Louis:
Personally I would go with a bow around 75" in length
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