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Old 04-13-2011, 07:54 AM   #1 (permalink)
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Default 85 or 100 grain?

This is as much a spine question than anything, but...

I'm currently shooting Easton ST Epic 400s. Length is 28.5 inches from bottom of knock groove to end of shaft. 4 in feathers. With a 100 grain broadhead, the arrow weight is about 395 grains. I'm pulling 58lbs (28in draw length) from a Hoyt Rampage XT, and shooting about 258fps. Current FOC is about 12.5%.

Some have recommended I go to 85 grain heads with my arrow length and draw weight...that it would help my spine a little. 2 questions...

1. Anyone agree or disagree?

2. I like the buzzcuts and/or stingers, but if I went to 85 grain, I'm not too thrilled about only a 7/8 inch cutting diameter. Still, if I have to choose a fraction of an inch of cut or accuracy, I'll choose accuracy. Any input?

Thanks,
Jamie
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Old 04-13-2011, 12:53 PM   #2 (permalink)
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Default

I don't see any reason to increase or stiffen spine with your current arrow shaft and 15 grains isn't going to amount to a hill of beans. Your spine is fine actually and should get you to 65lbs with that bow and length of shaft easy.

What is bringing about the doubt in spine though?
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