Author Topic: How much sinew?  (Read 864 times)

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Offline Chuck.e.b

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How much sinew?
« on: October 09, 2019, 10:15:13 am »
How much sinew needed to back a bow usually?

Offline bradsmith2010

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Re: How much sinew?
« Reply #1 on: October 09, 2019, 10:38:00 am »
That's a great question...its hard to measure,..trial and error helps,..and preference vary.,..just a suggestion..a lot depends on the size of bow,,,,try starting with 1000 grains...use less or more on your next bow based on results..


Offline Eric

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Re: How much sinew?
« Reply #2 on: October 09, 2019, 02:23:49 pm »
It depends on so many factors! How much surface area do you want to cover? How thick do you want the sinew layer to be? I have backed short bows with thin layers of sinew and used less than 1 ounce. I have also backed longer bows with thicker layers and used 2 or even 3 ounces, though that is extreme and I am not sure the weight added by the sinew actually helped cast any.

Are you trying to get a sense how much sinew you need because you need to get some, and want to make sure you get enough?
Eric Garza
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Offline willie

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Re: How much sinew?
« Reply #3 on: October 09, 2019, 03:04:03 pm »
sort of depends on what you are trying to accomplish with the sinew  :)

Offline LEGIONNAIRE

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Re: How much sinew?
« Reply #4 on: October 09, 2019, 10:16:05 pm »
I add as little sinew as I can to do the job, usually 1 layer plus another layer just in the center. If your wood is good you can just line the center with sinew and it will give you a very similar performance as adding more but with less weight.
CESAR

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Offline Chuck.e.b

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Re: How much sinew?
« Reply #5 on: October 25, 2019, 10:27:38 am »
 In the bow making video about Ed Scott he states that 4oz is about the average per bow he uses.

Offline gutpile

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Re: How much sinew?
« Reply #6 on: October 25, 2019, 12:04:13 pm »
i usually do a single layer then come back and add another layer to smooth out and fill in any gaps... then I let sit for about 3 months or better inside with a weight tied to handle in between to chairs...that is on a cedar bow which tension is not that great and she is a screamer..have no idea how much in ounces that is...gut
to take from nature the materials needed to take from nature the meat needed...they all die from natural causes osage, rivercane, stone points,...

Offline bradsmith2010

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Re: How much sinew?
« Reply #7 on: October 25, 2019, 12:18:07 pm »
4 0z would be 1750 grains,,  :)