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Question by bgreen902. Uploaded on September 02, 2009
It depends on the maker of the arrow... look at Cabela's charts they are pretty easy to read.
Make sure the arrow is going to be ok for draw wieght. Also make sure your tips/broadheads are the same wieght. Meaning if you shoot 100 grain tips for practice and sighting in you use 100 grain broadheads for hunting or your sights will be off.
I ask at the pro shop.
some charts for aluminum arrows use two different columns one for draw length one for bow poundage you track where the two columns intersect and that will give you the arrow or arrow's there may be more than one option to use for your given set up . carbons normally just have a poundage listing on what they are rated for like 50-60 or 60-70 .
Grains or the weight of the arrow will vary with length, brand, nocs, tip, coating and various other things.
I think what you are asking about are the confusing charts that refer to the spine of an arrow. The spine is the "flex of the arrow" upon release. Too light of spine and your arrow will flex too much and not be accurate. If the arrow is too stiff or does not flex at all you may be losing fps. I personally feel you cannot buy too stiff an arrow but I'm sure a lot of the pros will disagree.
I think you'll be ok shooting the 60-70 draw arrows in your 55 lb bow but not the other way around.
I have always used 100 grain 2 blade magnus fixed bradheads. That is with a 40lb long bow up to a 70lb compound.
At least 6 grains per pound of of bow strength. too light a arrow and you can damage your bow or yourself. a heavy arrow will absorb bow shock better and penetrate better. I shoot around 8 grains x 64 lbs = 512 and still get 266 fps.
my little cousin shoots 55 lb and shoots a 85gr broadhead so i dont think it shoot matter to much, i wouldnt go any bigger than a 85 gr
As far as arrows go i have a #50 draw weight and use 300 grain arrows and 75 grain atom broad heads witch I highly recommend
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