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Yumi Build Along

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bhenders:
Just a couple of comments:  (I made a 'yumi' three years ago out of three pieces of bamboo that I had - it turned out OK and shoots great, but it is all wrong - I didn't know much back then and I did not shape it correctly - if I had, I wouldn't have been able to draw it.  )
see http://www.primitivearcher.com/smf/index.php/topic,6634.0.html

At that width, that's going to be a very strong yumi...

I'll be interested to see how you attach the sayah.

Thanks, and good luck.

Hillbilly Deluxe:
Bhenders-

   Thanks for the comments I just looked through your posts. I was wondering, (I didn't see it mentioned), how thick was your core at the handle and tips? Also what did you do your wrappings with I really like the colors.


   On a personal note I tried the wedge method to clamp the core and you definitely want to use something like bailing twine. I used some small, 8# test hemp string and it got cut when I was pounding in wedges. Also keep the wedges fairly steep. There is another website where someone talks about making some from bamboo. I think it would be best to order yourself a piece of 2" boo with your bow boo just to make wedges. The cost would be really minimal and they would work very well.

Hillbilly Deluxe:
Here is the core after cooling off overnight in my "bow oven".

[attachment deleted by admin]

Hillbilly Deluxe:
DISASTER!!!

   Well, I pulled the core out cleaned it up a bit thought I would bend it a little to see how strong it was and snap! Right in half, the single lam in the middle broke right at the joint that would have gone in the upper part of the handle. So now I have a six foot piece and a two foot piece.

I thought about gluing them together with another piece of possibly oak to thicken up the handle and make it into another bow. What do you think?

   Getting back to the yumi. Any Suggestions? I am thinking of switching over to wood for the core. I was thinking red oak, because I could run to Lowe's and get one fairly easily. I know that I will have to really pick through them but I think I could find one. Any thoughts?

Hillbilly Deluxe:
Sorry, here are the pieces I have. I also have plenty of bamboo left. Bhenders, maybe it you could expound a little on ho you did yours?

[attachment deleted by admin]

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