Main Discussion Area > Bows
backings
armymedic.2:
i am beginning tillering on my second bow, and i can't help but wonder how much support the backing really gives. i am using hickory with a one peice boo backing. 72 inches ntn. it will draw about 60 in the end if i do my part. so my question is, say i don't tilller perfect, what is the likelyhood of the bow breaking? the grain is good. i hear a lot of selfbow guys talk about their bows breaking, but rarely hear of a backed one doing so. or i hear a self bow has a crack in it, so they back it to solve the problem. is it really so strong as to not worry about a crack in the limb? not really sure what to think- just a little insurance but not much, or nearly a gaurantee of service. let me know your thoughts.
ps. my first bow was re oak board with fiberglass backing three layers filled with titbond 3, pulling 60 lbs. the bow made a tick noise a couple of times, and i put it away for fear of it breaking. i probably shot it about 75-100 times. shot great beyond the hand shock of overbuilt limb tips. the tick may have been from the string on the new poly finish, but i could have sworn it felt slightly easier to pull immediate;y after the tick. since i put it down i never broke it. was i overcautious or right to think it would break.
Badger:
Army, when you talk about a boo backing or a hickory backing you are talking about a whole different thing than just backing a bow with something like rawhide or linen. The bamboo becomes about 1/2 your bow. You still have to do a decent tiller or it will break. Bamboo is probably one of the stronger backing choices. With a fairly good tiller you should be fine. Steve
Pat B:
As Steve said, boo is very strong. Be careful of hinges as the boo will accentuate them. I hinged a boo backed hickory a few years ago. I think that boo is better suited for heavier belly wood like osage and some of the tropicals. A boo backed hickory bow can be built but I don't think it is a good choice for a second bow. A hickory self bow would be less complicated to build and if you are in a dry climate will be capable of out shooting many other bows. If you only have hickory boards to work with a simple silk, linen or even brown paper bag and TB glue will help prevent any splinters from lifting on the back or edges. Most of all, have fun! ;D Pat
gpw:
We've has great success using polyester camo net as a backing ...works great on wood(not boo) and we've yet to have a failure... if you're in doubt , two layers is even better .... and it looks good too... great camo in the woods and much easier than chasin' down a snake ... safer too ... ;D Tightbond II holds it securely even our very Damp climate...we glue it on the bias for extra strength...
Marc St Louis:
--- Quote from: gpw on July 19, 2007, 08:34:19 am --- We've has great success using polyester camo net as a backing ...works great on wood(not boo) and we've yet to have a failure... if you're in doubt , two layers is even better .... and it looks good too... great camo in the woods and much easier than chasin' down a snake ... safer too ... ;D Tightbond II holds it securely even our very Damp climate...we glue it on the bias for extra strength...
--- End quote ---
Well now that's primitive :o
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