Trad Gang
Main Boards => PowWow => Topic started by: wisconsinteacher on December 07, 2012, 07:28:00 AM
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I shoot 125 grain heads and am wondering how much above or below I can go without seeing a difference in flight and POI out to 25 yards? I shoot a WARF at #50 and a Bear Montana at #50. The reason I ask is because my broadheads range from 115 to 145gr. Thanks.
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some others should chime in as well but i would think it would matter how close your arrow spine is to "too stiff" or "too weak". If "perfect" is 145, then dropping to 115 will show too stiff and vica versa. And several other factors (type of arrow, etc) will probably have impact. On my setup i can def tell a 25 grain difference. will also show up more on bare shaft. if you have enough rudders (fletching) they might take care of a good bit of variaiton. If 125 is what you consider 'tuned" well, you could add some weight to the 115's. Not sure if you could drop weight of the heavier ones or not
others will maybe have some advice too
mg
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Unless you are borderline on your spine, you should see no difference. Just too small of an amount.
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Another factor will be the type of arrow you're shooting. Carbon seems much more forgiving. AD Trads and Trad Lites, in particular, can handle a huge variation in tip weight.
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You will not see POI difference at 25 yards. I shoot carbon that can weight 650 to 850 and can not tell at 27 yards. I can throw in some 2317 aluminum at 735 and still not see a difference.
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I think you see no difference. Unless you are OCD you'll be fine >>--->
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These heads will be on carbon arrows.
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You should be fine. I shoot 265-300 gr heads with no problem
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Okay, I have another queston. I just rechecked and when I shoot 125 tips with a bare shaft, they tune great. 145s are weak. The broadheads I have after sharpening will weigh 139, 142,144,and 148. Should I retune to 145 or leave my arrows alone and leave them at tuned for 125?
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For ever 7grs over 125grs in point weight you need to go up #1 in spine weight. So if you are going up to 145grs you are needing about 3# more in spine weight in order to get the same bareshaft results. Now, let's say you were bareshafting 60/65's and the shafts were 64# or 65#. You would have to go up into the next spine group (65/70) in order to get those results. Of course once you fletch those 64# or 65# shafts it will cover up any slight variations in flight. But if you are trying to hit it perfect then that's a different story.
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funny i guess the "instict" takes over with error. i was shooting 2117 one with 175 grain tip and one with 145 grain both bareshafts. then one morewith 145 grain tip with 2 flu flu Fletch. the 175 was def weak. the 145 bareshaft showed a bit weak also. but once i shot it with 2 feathers it flew like a dart. they all hit where i looked out to 25 yards. i found it interesting. i liked the weaker shaft tho idk why. the more weight in the front felt for a better "hit"
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Unless your arrows are at the very extreme range of spine for your bow I would think that dropping 10 grains or adding 20 at the tip is going to be hard to notice. If it is, adress with it a slight change in brace height(raise slightly if stiff, lower if soft), you can also thicken your strike plate slightly if your shooting spine weak and if you're able, put a thinner one on if you are spine stiff.