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Author Topic: bow woods properties  (Read 1932 times)

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Offline Lukasz Nawalny

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  • Lukasz Nawalny
    • Camelot bows
bow woods properties
« on: February 07, 2017, 03:10:56 pm »
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Offline willie

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Re: bow woods properties
« Reply #1 on: February 07, 2017, 05:39:38 pm »
interesting read, thanks for posting Lukasz

the metric "work to maximum load" was used in testing wood's suitability for various applications years ago, but not so much nowadays.

"work to maximum load" is discussed here also, in a paper on what makes for the opposite of good bow wood


https://www.fpl.fs.fed.us/documnts/usda/tb342.pdf
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Offline Badger

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Re: bow woods properties
« Reply #2 on: February 07, 2017, 06:23:58 pm »
   I am not very good at reading these reports but one thing I wish they would do is not test for destruction. A bow is considered ruined often long before it breaks. Testing within its elastic limits might be more useful.
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Offline PatM

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Re: bow woods properties
« Reply #3 on: February 07, 2017, 06:48:57 pm »
 Many wood strength charts show that  It is called    " stress at proportional limit" 

 eta. the link willie showed tells you this.

 One thing that also bears investigating is whether wood does also undergo strain hardening. That may explain the hard set versus plastic set observations.
« Last Edit: February 07, 2017, 07:03:51 pm by PatM »
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Offline DC

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Re: bow woods properties
« Reply #4 on: February 07, 2017, 07:16:25 pm »
What we need is a generous gazillionaire boyer to investigate this stuff ;D ;D
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Offline mxalex229

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Re: bow woods properties
« Reply #5 on: February 07, 2017, 08:46:25 pm »
an excellent read. I very much appreciated the simplicity and the approach to conclusions made. This lesson will stick for sure.
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