to acheive the ibo speeds you would have to shoot an arrow that is unsafe and not suited for hunting. just my thur opinion.
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Originally posted by Amazing Grace View PostFrom my understanding most IBO speeds are done at or over 80# draw weight. I think the ATA speeds are a little more accurate, it is done at 70# no matter what. I am no expert this is what I have been told and read. I think ATA numbers are more consistent.
The old amo method was at 60 lb at 30 draw and a 540 gn arrow. This was a much better look at what a bow does.
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There are very few companies that will actually achieve IBO. Do not use this as a basis for measurement. Just go shoot them and test for yourself which one is faster. As far as shoot ability, the rpm is much better than the cbo. But, I still say you shouldn't limit yourself to one brand. Try em all
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