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Trying to get an idea as to what kind of speeds I would get with a 26.5", 70# 34 launching a 400 grain arrow? Thinkin bout trying one out...
 

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for my 34 my set up was 26.5, 56lb with a 313 grain arrow and was shooting 270 fps with loaded string (R.A.D Peep and D loop)...i have since upped the poundage to 59 lb but havent had the chance to chrono it again. hope that helps to get a ball park on speed, it really is a sweeet bow and so smooth, best bow ive owned.
 

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If by the one I set up, the owner's draw weight and arrow weight was close to yours, but had a 29" draw. Rule; 10 fps / 1" of Draw Leghth. So apply rule; 285 fps.
 
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