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1
Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by willie on Today at 02:57:53 pm »
Quote
what is the "best" and most optimal full-draw profile?
the one that delivers the best theoretical arrowspeed at a stress level that does not compact the wood too much
Quote
How would you tiller your bow?
by the numbers
2
Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by simk on Today at 02:52:11 pm »
I'd maybe lengthen that powerlam by 6" and start a reverse taper 7" from the tip - then recheck  :)
3
Primitive Skills / Re: Life is good
« Last post by Pat B on Today at 02:24:18 pm »
Sorry to hear Greg isn't doing well. Please give him my best wishes when you see him next.
4
Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by Zugul on Today at 01:41:13 pm »
I'd say 4 or 5, even tho all my experience comes from reading this forum, watching bowyers on youtube and 10-ish broken bows  )-w(  (lol)
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Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by Badger on Today at 01:18:17 pm »
 I would say #5. But I would stop the taper about 10" before the tip
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Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by Tuomo on Today at 12:53:04 pm »
Quote from: Selfbowman on Today at 12:25:19 pm
Has anyone other than me took the force draw and labeled the numbers marked on your bend profile chart or plan. Then tiller to force draw at each bend profile. This can double check  your wood properties possibly. It would be after the fact but possibly teach you something. When I did that it was pretty amassing to me how accurate the design was. Doing that in a selfbow is a real challenge. Because of the unknown crown. But tillering to force draw and bend profile is the answer to the unknown in my opinion. Please correct me if I’m wrong.

I am not sure if I understand you correctly. Could you please give an example? I am not sure how the draw-force curve can be involved, because the bow is overweighted during the tillering process?
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Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by Selfbowman on Today at 12:25:19 pm »
Has anyone other than me took the force draw and labeled the numbers marked on your bend profile chart or plan. Then tiller to force draw at each bend profile. This can double check  your wood properties possibly. It would be after the fact but possibly teach you something. When I did that it was pretty amassing to me how accurate the design was. Doing that in a selfbow is a real challenge. Because of the unknown crown. But tillering to force draw and bend profile is the answer to the unknown in my opinion. Please correct me if I’m wrong.
8
Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by Lehtis on Today at 11:07:53 am »
3 and 4 look the best for me too.
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Bows / Re: Straight bow, optimal tiller profile (VirtualBow)?
« Last post by bjrogg on Today at 10:40:04 am »
I’m with pappy. I prefer 3 but if I need a little more draw I usually end up with 4.

Bjrogg
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Primitive Skills / Re: Life is good
« Last post by Pappy on Today at 09:04:53 am »
Thanks guys, shoulder is a little sore this morning but he said it would be for a couple of days then all should be good. :) Ya Pat, it dose look a little different but as you said at least they ant on the buildings. :) Thanks BJ, love working on them skulls.
 Pappy
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