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Bamboo backing

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lignum:
Hello Justin,

the bow is by the fade outs roundabout 0,78" (2cm) and gooes to the tips down to 0,39(1 cm).

Hope my inches are right calculated, because I messure normally in metric system

regards
Roger

Justin Snyder:
Formula?? If I understand the question correct.  No there is not a set formula for how much weight you will gain by backing the bow.  There is too much difference in the density of the backings and the belly wood.  I read that the general rule for backings is, the backing should be less than 1/2 the thickness of the belly wood. Justin

lignum:
Thanks Justin,

is fine to me, because the backing I worked out is about 3-4mm. The stave thickness I started is normally 2-3cm. So I´m more than less of the half backing to belly

Regards
Roger

Badger:
If I am working with a dense tropical wood I use the boo thicker, if I am using a lighter wood, below 75 sg, I try to get the boo below 1/8 at the crown. I really prefer boo on denser woods. Steve

Justin Snyder:
Bamboo is a really strong backing.  You want it super thin.  Your math is correct on the cm to inches.  2-3 cm is pretty thick. What thickness do you usually end up with?  Justin

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