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Old 04-02-2008, 11:34 AM   #1
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Default Knetic ?



Ok my ROSS shot a 387 grain arrow 278 FPS

I have my hunting arrows all setup, I 550 rains. What kind of speed lost will i get, ballpark.
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Old 04-02-2008, 11:45 AM   #2
 
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Default RE: Knetic ?

ABOUT 25-30 fps.
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Old 04-02-2008, 11:48 AM   #3
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Default RE: Knetic ?

So 250 FPS is a guess

78lbs KE
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Old 04-02-2008, 11:49 AM   #4
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Default RE: Knetic ?

Try this out.
www.backcountrybowhunting.com/articles/tools.php
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Old 04-02-2008, 12:08 PM   #5
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Default RE: Knetic ?

You wil be shooting that 550 grain arrow right at 235 fps.
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Old 04-02-2008, 04:23 PM   #6
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Default RE: Knetic ?

What draw length and poundage are you shooting Germ?
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Old 04-02-2008, 05:45 PM   #7
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Default RE: Knetic ?

I get around 245 w/ OT2, which is probably close if you are shooting mid 60's in weight. I plugged 65#'s in for a draw-weight, and based it off of 29."

More info yields more specific responses.
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Old 04-02-2008, 06:13 PM   #8
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Default RE: Knetic ?

Quote:
ORIGINAL: Matt/TN

What draw length and poundage are you shooting Germ?
27.5
71
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Old 04-02-2008, 09:15 PM   #9
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Default RE: Knetic ?

If those numbers you posted are correct and you use the same chrono... ten bucks says you are shooting within 2 fps of 235. IfI had to pick a numberI would say 236.
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Old 04-02-2008, 09:36 PM   #10
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Default RE: Knetic ?

OT2 says 245fps with roughly 73ft/# of KE.
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