Author Topic: I need help. My recurves keep cracking  (Read 3497 times)

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Offline SLIMBOB

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Re: I need help. My recurves keep cracking
« Reply #15 on: September 17, 2017, 12:21:34 pm »
This may be just a perceived bias and I accept that I can be proven wrong, but when I am bending something with dry heat, I sand the belly several times throughout as I go.  It seems to keep these tears from happening.  Or so I would argue.
Liberty, In God We Trust, E Pluribus Unum.  Distinctly American Values.

Offline bushboy

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Re: I need help. My recurves keep cracking
« Reply #16 on: September 17, 2017, 03:16:41 pm »
interesting point about temp and altitude!if I remember correctly,2 degrees f is lost for every 1000' of rise.
Some like motorboats,I like kayaks,some like guns,I like bows,but not the wheelie type.

Offline DC

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Re: I need help. My recurves keep cracking
« Reply #17 on: September 17, 2017, 03:31:30 pm »
Denver is about 205f I think.

mikekeswick

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Re: I need help. My recurves keep cracking
« Reply #18 on: September 19, 2017, 04:26:19 pm »
For the really sharp bends soak the staves end in water for 3 days or so. Then boil it.  Thin steel straps are useful too IF you work out your jigs so it doesn't take more time.
It may take a little longer with the soaking time but for the tightest of tight bends there is no other way ;) and of course green wood with the sap up makes a lot of difference if possible.

Offline loon

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Re: I need help. My recurves keep cracking
« Reply #19 on: September 19, 2017, 05:20:01 pm »
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http://www.core77.com/posts/35838/A-Better-Way-to-Steam-Wood-for-Bending-Use-a-Plastic-Bag