I have it in my head to make a tri lam or even quad lam bow next Winter and have questions. BBOs HBOs and selfbows are my experience up to now. I have plenty of osage lumber and am thinking either bamboo back with osage core and bamboo belly and some accent wood thrown in or hickory back , osage core and hickory belly. Maybe do the hickory first as a test run for practicing the glue ups.
Anyway, the questions. Is tillering down mostly by mathematics , ie: figuring the tapers of the woods and the width of the limbs to achieve weight and draw length ? I know it would be on one with a bamboo belly but on one with a hickory belly can you get some tiller wiggle room by scraping the belly ?
I would appreciate some feedback from anyone who has made such a bow,like dimensions of the wood used, type of wood , etc etc. I figure if those numbers are out there it would be better than me trying to reinvent the wheel. I looked around the TradGang site for a build along on this type of bow but did not see one.
Tim,
You can tiller some. However the best bows will come when the math is right and very little tillering is required. Pick up a copy of TBB4, our chapter has a build along that covers this bow pretty well.
Mike
Mike, where can one buy TBB4?
I'll look at 3R's.
Mike has them too. Got mine at OJAM.
Thanks Mike, I've been meaning to get that new edition. Got to keep my collection up to date.