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How do I figure K.E.

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How do I figure K.E.

Old 08-13-2004, 06:02 PM
  #1  
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Join Date: Mar 2003
Location: Troutman. N.C.
Posts: 189
Default How do I figure K.E.

I don't know how fast my arrows are. I don't have acsess to a chronograph. I also don't have an arrow scale, so I'm not sure of the weight of my arrows. I shoot a reflex gamegetter with cam and a half. It has an IBO rating of 295. My draw length is 28 inches On my string I have a peep sight with tube, a set of bow jacks and a Loop. I have a Whisker biscuit arrow rest with the new B2 biscuit. My arrows are xx75 2315 with the tapered inserts, fletched with 3 four inch feathers. I also have the EZ crest wraps. I shoot 125 grain tips. I have been told I need at least 60 lbs of ke to shoot spit fires. What do you think?
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Old 08-13-2004, 11:50 PM
  #2  
 
Join Date: Jul 2004
Location: mont belvieu,texas
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Default RE: How do I figure K.E.

How many pounds are you pulling?
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Old 08-14-2004, 04:48 AM
  #3  
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Default RE: How do I figure K.E.

I've got it maxed out at 69 lbs.
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Old 08-14-2004, 06:07 AM
  #4  
Nontypical Buck
 
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Default RE: How do I figure K.E.

go to www.google.com and type for a search " arrow kinetic energy calculator" you should get all sorts of listings for arrow K E calculators
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Old 08-14-2004, 08:04 PM
  #5  
Typical Buck
 
Join Date: Feb 2003
Location: Stafford Virginia Stafford,Va
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Default RE: How do I figure K.E.

Here is a rough estimate tool. Add your arrow weight and speed and click calculate


http://www.goldtip.com/calculators/kinetic.asp
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Old 08-16-2004, 06:52 PM
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Join Date: Aug 2004
Location: newport N.H
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Default RE: How do I figure K.E.

If your looking to find out k.e you first must wiegh your arrow and shoot it through a chrono. when you find that out use this formula.. velocity x velocity x wieght divided by 450436 this will accuratly give you your kinetic energy. and yes you definetly want at least 60 lbs of bow wieght for expandebles good luck skina.
skina is offline  
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