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Tiller help

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stuckinthemud:
Ok, so this is full draw but I think the centre might be too stiff, would welcome any and all criticism.  Also there might be a slight weakness middle of both limbs.  Any thoughts??  Thanks in advance, Andrew

Pat B:
The bottom limb bends too much at mid limb. Soften the fades a bit and the tips some too. A little of the same with the top limb but not as much. Will this be a hand held bow or a crossbow? For a crossbow I think a stiffer handle would be best.

stuckinthemud:
Thanks Pat, will take a scrape off as you suggest.  It’s a crossbow so the central 1.5 inch needs to be relatively stiff to avoid the corners of the tiller chewing into the belly.  I will also use a pad of hard leather to help reduce this.  I’m a little bit disappointed with the set (just over an inch in each limb) but I literally just found a reference that said medieval crossbows were normally built from reflexed timber ( this one is based on the Lillohus bow).

Hamish:
I've never made a crossbow prod, so I don't know if stiff in the middle is ideal or not. Pat's logic for a stiffer handle intuitively makes sense to me, for less shock/recoil.

That being said, it looks like it has acceptable set for a crossbow(if the back is at the bottom of pic), no hinges, and has made the intended draw length, so it's definitely up to the task already, providing there are no signs of chrysalling.
You could perfect the tillering but you will have to lose some draw weight. Its up to you if you want to tweak it. I'd probably leave it as is, but that's just me.

stuckinthemud:
Quite subtle changes to fades , bigger changes in the tips, how’s it looking now?

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