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Topic: Stack (Read 1558 times)
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DC
Member
Posts: 10,396
Stack
«
on:
January 02, 2018, 05:46:04 pm »
Let's assume we have a bow with a nice linear Force draw curve that gains 2# an inch except it stacks so the last 5 inches of draw go up to 3# per inch. Will this bow shoot just like one that doesn't stack? That is one where the FD is a straight line gaining 2# per inch right up to full draw. Put another way does the "stack weight" do anything except make it harder to pull?
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aaron
Member
Posts: 1,037
Re: Stack
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Reply #1 on:
January 02, 2018, 05:56:27 pm »
if both bows pulled the same weight, the stacky one would have less speed. Less area under the force-draw curve. less overall work done by the arm.
stacky bows also will do worse when underdrawn a bit compared to a non-stacking bow short drawn.
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Ilwaco, Washington, USA
"Good wood makes great bows, but bad wood makes great bowyers"
Eric Garza
Member
Posts: 589
Re: Stack
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Reply #2 on:
January 03, 2018, 11:29:37 am »
Not sure I'd call a bow with a linear force-draw curve 'nice', but I suppose it could be worse.
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Badger
Member
Posts: 8,124
Re: Stack
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Reply #3 on:
January 03, 2018, 11:34:12 am »
3# per inch for a 50# bow is really not bad, 4# you would start calling it stacking, 5# is starting to seriously stack. Usually a bad string angle or a bow that has taken a lot of set and has low early draw are the ones that might stack like that.
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