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Main Boards => The Bowyer's Bench => Topic started by: ffdiggs on December 26, 2017, 11:39:00 PM

Title: Tiller critique please
Post by: ffdiggs on December 26, 2017, 11:39:00 PM
68" ttt, pulling 60# at 28". I would like to get to 30" draw if possible
  https://imgur.com/QpZrIuW
 https://imgur.com/tVxwT4m
Title: Re: Tiller critique please
Post by: Pat B on December 27, 2017, 12:26:00 AM
You should be able to get another 2" if you get the outer limbs bending a little. Other than that it looks pretty good to me.
Title: Re: Tiller critique please
Post by: mikkekeswick on December 27, 2017, 03:29:00 AM
The upper limb is almost hinging out of the fades.
The lower is also bending far too much about 1/3rd out from the handle fade.
Unbrace it and look where the set is. Remove wood from the end of the set to the tips.
Unfortunately you have pulled it too far with those problem areas to get the best performance out of it now but you should still be able to get a good bow. Golden rule - never pull a wooden bow past a problem! Chances are those areas would be visible when drawing around 10 inches, even brace height. Try to develop your eye to spot errors early on.
Title: Re: Tiller critique please
Post by: Bowjunkie on December 27, 2017, 08:17:00 AM
We shouldn't judge the bend until we see it unbraced so we can compare where it is to where it was.
Title: Re: Tiller critique please
Post by: George Tsoukalas on December 27, 2017, 08:56:00 AM
The first picture looked like the top limb needed to be scraped mid limb on. The bottom picture looked pretty good. Jawge
Title: Re: Tiller critique please
Post by: ffdiggs on December 27, 2017, 02:28:00 PM
I take pictures with one limb up then I flip it to see how it looks, the upper limb that looks as though it is hinged is the lower limb in the second pic, and it does not look hinged. I think it may be a slight optical illusion because the back of the bow has a lot of contour to it, it is not flat from side to side or from the handle to the tip, it is very contoured. With that limb on the bottom I have a 1/8" positive tiller.
I will put it back on the tiller tree and take another look, and will try and get the tips bending a little more. This bow is for a tree size guy with long arms.
Title: Re: Tiller critique please
Post by: Wolftrail on December 27, 2017, 03:23:00 PM
Quote
Originally posted by mikkekeswick:
The upper limb is almost hinging out of the fades.
The lower is also bending far too much about 1/3rd out from the handle fade.
Unbrace it and look where the set is. Remove wood from the end of the set to the tips.
Unfortunately you have pulled it too far with those problem areas to get the best performance out of it now but you should still be able to get a good bow. Golden rule - never pull a wooden bow past a problem! Chances are those areas would be visible when drawing around 10 inches, even brace height. Try to develop your eye to spot errors early on.
+2
Title: Re: Tiller critique please
Post by: ffdiggs on December 27, 2017, 04:08:00 PM
How about now,
  https://imgur.com/Z4d8Bur  
  https://imgur.com/Pk7oHSE
It has some string follow, and lost some poundage, but I think I can pike the ends and put it on my R/D form and maybe the string follow won't be as bad or noticeable.
Title: Re: Tiller critique please
Post by: Wolftrail on December 27, 2017, 04:15:00 PM
looks like its bending to much in the lower limb fade area
Title: Re: Tiller critique please
Post by: Pat B on December 27, 2017, 04:38:00 PM
I still think the outer limbs could bend more.
Title: Re: Tiller critique please
Post by: ffdiggs on December 27, 2017, 09:24:00 PM
Im not gonna touch the first third of the limbs anymore, I will probably give the outer third a few more scrapes
Title: Re: Tiller critique please
Post by: Pat B on December 27, 2017, 10:52:00 PM
By softening the outer limbs you will relieve the stress on the inner limb.
Title: Re: Tiller critique please
Post by: Bowjunkie on December 28, 2017, 06:25:00 AM
Flipping a wooden bow and drawing it each way isn't a good thing, imo. Doing so can cause unnecessary set. The fact that it looks hinged one way and not the other should hint toward some of the reasons this isn't a good practice.