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Limb twist

Started by TheBronzeAge, January 24, 2011, 05:32:00 PM

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TheBronzeAge

I've got a bow that's coming along very nicely except for a bit of limb twist.  I've already backed the bow with cloth (just for safety) and so I don't want to steam the limb and untwist it unless I have to because that will require redoing the backing too.

I was advised to thin the limb a bit extra on the stiff side of the twist but I thought I'd ask for any other tricks.

The twist may have been induced by an uneven nock.  I refiled the nock so that the string doesn't try and come off it at a funny angle anymore.

I should also say that I'm hitting target weight three inches short right now so I have some extra wood that needs to be removed to bring the weight down, anyway.

Art B

Is your limb in fact thick/thin from side to side? If so then removing wood on the thicker is warrented. But if it's not, then for me personally, I really dislike that idea.

How wide are your limbs? What wood are you using? Got a heat gun? You can still safely heat and remove twists with a backing on.......Art

George Tsoukalas

If I caused  the twist by uneven wood removal then I even off the limbs from side to side. Sometimes the wood looks to be evenly removed but the wood still twists. In any case I remove wood from the high side, the string side. If the twist i natural I usually leave it unless it is really severe than I heat it out. Jawge

TheBronzeAge

I think I probably caused the twist.  It's a little hard to tell without tools I don't have access to.

The limbs start at 2.5" and taper from there.  The twist starts around mid-limb.

I have no idea what the wood is.  I got the middle leaf of an expandable table, the grain looked nice, and it turned into a crazily-strong bow (I think the initial bow probably would have pulled 80-100 lbs had it been pulled to full draw).

I don't own a heat gun.

JamesV

Might get your wife's hair dryer and use it on Hi. It don't take a lot of heat.

James......................
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