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Tillering: What now?

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organic_archer:
Too much bend in the center and two possible hinges forming - first one right out of the handle and another mid-limb on the right side.

For a kid's bow, it'll shoot with a bell shaped tiller, but could take more set and have more shock than necessary. I'd get the outer 1/2 of both limbs bending more while watching out for that thin spot.

Don't just look at the bend or the distance of limb travel. I see lots of thick and thin spots. Run your fingers up and down the limbs often (like you're gripping a sandwich) to feel for thick and thin spots. They'll jump out clear as day.

It's hard to judge the tiller without a shot of the resting front and side profile. I imagine this bow needs an even thickness taper from handle to tips, which is where your fingers come in.

WhistlingBadger:

--- Quote from: organic_archer on April 26, 2024, 10:30:25 am ---Too much bend in the center and two possible hinges forming - first one right out of the handle and another mid-limb on the right side.

For a kid's bow, it'll shoot with a bell shaped tiller, but could take more set and have more shock than necessary. I'd get the outer 1/2 of both limbs bending more while watching out for that thin spot.

Don't just look at the bend or the distance of limb travel. I see lots of thick and thin spots. Run your fingers up and down the limbs often (like you're gripping a sandwich) to feel for thick and thin spots. They'll jump out clear as day.

It's hard to judge the tiller without a shot of the resting front and side profile. I imagine this bow needs an even thickness taper from handle to tips, which is where your fingers come in.

--- End quote ---

You were exactly right about where the hinges were.  I got it to brace and did some work with the gizmo, and it found that right mid-limb weak spot.  I don't see these things with my eyes the way some of you can, though.

Feeling up and down the limb for thin and thick spots--yep, I forgot about that.  Well, that's why I did this bow, to learn.

willie:

--- Quote from: WhistlingBadger on April 26, 2024, 10:39:34 am --- I don't see these things with my eyes the way some of you can, though.


--- End quote ---

in the shop, I hold a CD at arms length when looking at the bow on the tiller tree
I have a 3" disk I can hold up at about half an arms length when looking at bows in pics on the computer screen

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