Author Topic: Recurving/ deflexing a set bow  (Read 904 times)

Offline Jamekin

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Recurving/ deflexing a set bow
« on: January 21, 2018, 01:37:00 AM »
I’ve been working on a hickory board bow out of a fairly nice board. I need to post some pics of the progress so I can be critiqued. I don’t know if I’m ready for the pain

Offline mikkekeswick

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Re: Recurving/ deflexing a set bow
« Reply #1 on: January 21, 2018, 02:51:00 AM »
Forget trying to reflex the limbs with steam - it will pull out.
If you have a heat gun you can heat treat it either once, once finished or both. Don't try to induce much reflex just try to make it straight or upto an inch of reflex.
Heat treating is simply heating the limbs until they are a medium brown (not black). This process will get rid of the excess moisture and increase the bellies resistance to compression.
Hickory is so strong in tension that it overpowers the bellies ability to resist the compression - think of an unbalanced seesaw with one fat kid and one skinny one. When bow making we want the kids to balance  ;)  the way around this is trapping. Trapping is reducing the width of either the belly or the back (most cases).
Reduce the width of the back by 1/4, an 1/8th off each edge.

Offline Pat B

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Re: Recurving/ deflexing a set bow
« Reply #2 on: January 21, 2018, 08:30:00 AM »
If this is your first bow get the tiller right and don't worry about a little set.
Make the most of all that comes and the least of all that goes!
TGMM Family of the Bow

Offline yard dog

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Re: Recurving/ deflexing a set bow
« Reply #3 on: January 22, 2018, 12:22:00 AM »
Quote
Originally posted by Pat B:
If this is your first bow get the tiller right and don't worry about a little set.
Agree...

Offline John Scifres

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Re: Recurving/ deflexing a set bow
« Reply #4 on: January 22, 2018, 06:04:00 AM »
Here's a little tute I did a while back:  http://sticknstring.webs.com/fixit.htm
Take a kid hunting!

TGMM Family of the Bow

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