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Author Topic: Archery DIY.  (Read 462 times)

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DeanO

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Archery DIY.
« on: July 05, 2017, 06:37:10 am »

I thought about "MacGyvering" a bow and string just out of what is lying around in  the shed. I have been Interested how a braided fishing line string would perform versus the real thing. (fastflyte,BCY, Dacron etc). As usual there are plenty of folk on the interweb with big long winded opinions about this. I am more interested in seeing for myself, this little bow took about 2 hours to shape and fiddle with. the string took about the same. It is too small for my draw length but hasn't blown up in my face yet  :)
 I have a "real" recurve bow and intend to make a string out of this 50lbs fishing braid from china as well.
If anyone is interested, i will let you know how i get on with it.
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graynomad

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Re: Archery DIY.
« Reply #1 on: July 06, 2017, 06:17:09 pm »

That looks quite well done. I'll be interested to hear how it works out.

What's the bow made of?
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DeanO

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Re: Archery DIY.
« Reply #2 on: July 07, 2017, 11:16:35 pm »

The bow is made from a 4 1/2 ft. length of schedule 40 PVC pipe, it has about triple the wall thickness of standard PVC pipe for the given size (3/4" ID).
There are loads of "how to’s" for PVC bows on the web, I didn't take it too seriously as I am more interested in the string performance. I am very surprised at the "grunt" such a little bow has though.  :)
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Mirage

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Re: Archery DIY.
« Reply #3 on: July 08, 2017, 09:17:37 am »

That's a cracker piece of DIY.  Nicely done.

Have you deliberately failed a length of this pipe to see what happens? Does it kink, break or shatter? Some of the older weathered stuff I have at home tends to shatter with some fairly sharp pieces.

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DeanO

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Re: Archery DIY.
« Reply #4 on: July 12, 2017, 12:23:21 am »

Hi Mirage, thanks for the positive comments.
You have a very valid concern with respect to PVC pipe and how dramatically it can fail. The heavy schedule grey "industrial" style PVC pipe is UV stabilised and therefore should last a lot longer and retain its inherent flexibility far longer than  "Bunnings PVC pipe". That being said,I have worked around this stuff on and off for a couple of decades and I have seen it fail, split and shatter to the point where there could be a possibility of an injury.
I am going to make a string with the same method, and from the same material for my 70" Hoyt recurve bow, i will be far more confident in the safety factor of that.
I will put up another photo when i have tested it.
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DeanO

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Re: Archery DIY.
« Reply #5 on: July 21, 2017, 12:17:59 pm »

If you needed to, it would be good enough. It seems to stretch a little, but I am sure that the string needs to be "shot in".
I am confident in the strength. A fun little DIY project.
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