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tri-lam warbow

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nidrinr:
..In a bow with fiberglass on the back and in the belly, I think the core matters less. I've never used fiberglass, so this is just what I've heard from others..

adb:

--- Quote from: nidrinr on January 27, 2011, 06:11:51 pm ---..In a bow with fiberglass on the back and in the belly, I think the core matters less. I've never used fiberglass, so this is just what I've heard from others..

--- End quote ---
We're not talking FG here, but yes, you are absolutely right. What is between FG matters little... some... but very little. The wood is either cosmetic with clear FG, or a binding agent to hold it. The FG is doing all the work.
An all wood multi-lam bow is, however, something all together different, and it very much matters. A dense, hard wood, like purpleheart, will add performance, and reduce set, especially with higher draw weight ELBs.

Pat B:
Do you glue up the lams at one time or the back to the core then the belly is added later(or vice versa), possible adding different degrees of reflex at each glue up?

adb:
No, I glue all three lams together at the same time. If I want to add reflex (and I often do), I add it in with the glue up. I kind of make a big sandwich... I use TB3, and apply glue to all bonding surfaces, and add a 1" thick extra board on top of the backing lam, and then wrap up all these layers with rubber inner tubes. If I want reflex, I block the ends up about 1-2", and then clamp the center down to my bench, and let it all dry. I also add a layer of wax paper between the backing layer and the clamping board, so they don't end up stuck.

Cameroo:
Hey Adam,

Do you think a decent trilam could be made from maple, purpleheart, maple?

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