Author Topic: Tiller check  (Read 386 times)

Offline TheBronzeAge

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Tiller check
« on: July 29, 2010, 07:51:00 PM »
So this is my second bow, made out of a piece of wood I think originally came out of a table (it was varnished when I got it).  I'm getting close to finishing it but I thought I'd run it past some more experienced eyes before I do.  I deliberately kept the tips stiff, but maybe too stiff?  Anyway, comments?
   

Offline Dublin Joe

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Re: Tiller check
« Reply #1 on: July 29, 2010, 08:04:00 PM »
Those limbs are bending well in my opinion.  What are your current and planned draw length and weight?
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Offline walkabout

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Re: Tiller check
« Reply #2 on: July 29, 2010, 08:04:00 PM »
the limb on the right is bending more midlimb than the limb n the left.as for the tips theyre not too bad, maybe a few scrapes before shooting and infal tiller. this is all assuming that this is short string and braced already.lol. if its still long string then i would probably brace it if its close to your desired weight. a trick i use to check bends is holding a credit card against the computer screen and intersecting the tips and the center of the bow, gives great reference when your eyes cant normally see much.
Richard

Offline Dublin Joe

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Re: Tiller check
« Reply #3 on: July 29, 2010, 08:08:00 PM »
I defer to Richard.  It's funny how I didn't see the difference until it was pointed out.  I love this forum.

Joel
Everyone's better off when everyone's better off.

Offline walkabout

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Re: Tiller check
« Reply #4 on: July 29, 2010, 08:10:00 PM »
that was supposed to say final tiller.lol.not infal.
Richard

Offline TheBronzeAge

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Re: Tiller check
« Reply #5 on: July 30, 2010, 06:38:00 PM »
So I've worked on it a bit more, checked it with the tillering gizmo and I'm pretty happy with it.  It seems to be doing wonderfully.

I've also done much of my weight reduction and tillering by trapping the limbs - except I've apparently done this backwards from almost everyone and made the belly the smaller side.

Mind you, I don't know what this wood actually is, and it seems to have worked great, but is this a reason to worry?

Offline walkabout

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Re: Tiller check
« Reply #6 on: July 30, 2010, 07:07:00 PM »
normally most woods are better in tension than they are in compression, meaning they will crush easier on the belly than they will splinter out on the back. this is why trapping is usually done to make the back narrower than the belly, so more of the wood is there to withstand the crushing forces generated on the belly. there are some who do their tillering by facets, almost like trapping, but im not sure whether they round or flatten the back along the way or not.
Richard

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