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Author Topic: Backing a pyramid bow  (Read 8861 times)

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Offline merriick1990

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Backing a pyramid bow
« on: September 05, 2011, 04:42:45 pm »
Ok so I'm making a red oak board bow and decided I wanna back it with fiberglas tape. My question is when do I back the bow or does it matter? Should I back it right before I start Tillering or should j back I back it after Tillering when it's done.

on a side note, if i was going to do tip overlays on the bow, do i put them on before i back it or after? i put them on after right?
« Last Edit: September 05, 2011, 06:43:23 pm by merriick1990 »
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Offline Hrothgar

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Re: Backing a pyramid bow
« Reply #1 on: September 05, 2011, 11:10:44 pm »
Tyler, you will want to back your bow before you start tillering; and make sure the glue is 100% dry before starting to tiller. The tip over lays can wait until everything else is done.
Eric
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" To be, or not to be"...decisions, decisions, decisions.

Offline merriick1990

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Re: Backing a pyramid bow
« Reply #2 on: September 06, 2011, 12:16:08 am »
does it matter that ive done alittle tillering before i backed it? i just got the limbs bending evenly. i didnt do anything as far as the draw weight went. and thanks for the info :)
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Offline Hrothgar

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Re: Backing a pyramid bow
« Reply #3 on: September 06, 2011, 01:20:58 am »
If you are talking like "floor tillering" you can still back it and proceed.
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" To be, or not to be"...decisions, decisions, decisions.

Offline merriick1990

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Re: Backing a pyramid bow
« Reply #4 on: September 06, 2011, 03:53:22 am »
i had done some tillering. i ended up backing the bow anyways tho. i still had to thin down the limbs some to hit my target weight so we'll see what happens i guess
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Offline WolfPupTee

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Re: Backing a pyramid bow
« Reply #5 on: September 08, 2011, 07:06:42 pm »
Can I add on to this question please? I don't have sinew to back my pyramid bow with so what can I use?
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Offline JW_Halverson

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Re: Backing a pyramid bow
« Reply #6 on: September 08, 2011, 07:43:08 pm »
Lotsa stuff you can back with.  Brown paper bag and wood glue is a fair backing.  Cotton sheeting works well, too.  Pick the stitching out of a couple of old silk ties (don't use the ones with the hand painted hula dancers - send those to me) and glue those down.  Rawhide works well, too if it is thin. 
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Guns have triggers. Bicycles have wheels. Trees and bows have wooden limbs.

Offline WolfPupTee

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Re: Backing a pyramid bow
« Reply #7 on: September 08, 2011, 08:24:14 pm »
Brown paper bag? No kidding! I guess the wood glue saturates the bag yea? And dries that way. Nice. Thanks. Hula dancers? ;)
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Offline Pat B

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Re: Backing a pyramid bow
« Reply #8 on: September 12, 2011, 03:15:03 pm »
Brown paper bags(almost any paper) is made from wood fibers and can be quite strong when saturated with glue.  Do a little test. Take a piece of brown paper bag and glue both sides to saturate the paper. Give it 24 hours to cure and try to pull it apart, not rip it mind you but pull it like it would be pulled when a bow is drawn.
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Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline WolfPupTee

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Re: Backing a pyramid bow
« Reply #9 on: September 12, 2011, 04:21:41 pm »
You're right. I forgot what paper was actually made from.
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