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Old 08-08-2003 | 08:14 PM
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Matt / PA's Avatar
Matt / PA
Giant Nontypical
 
Joined: Feb 2003
Posts: 5,497
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From: Dover, PA USA
Default RE: Kenetic energy

Goldenarm.......
I ran some numbers and I' m not sure exactly what components you have on those arrows, but say a 27" CXL 150 at 27" with 4" vanes, nock and insert only weighs in at about 245grs without a point. (Lighter if you are using something smaller than a 4" vane) I can' t imagine they' d spine very nice with anything at or over 100grs for a head weight........which puts you under 350grs total finsihed arrow weight........no biggie with the right broadhead. My concern is the shaft selection. CXL 150s are VERRRRRRRRRRRRRYYYYYY fragile. Like pretzel stick fragile when it comes to any abuse. For that reason alone I would consider a different shaft.
To get a Ke level of 52# you have to be shooting this shaft in the 260fps range.
You could beef up a bit on the shaft......maybe like a CX-200 to give you just a bit more Umph and a MUCH tougher shaft.
Also keep your eyes firmly planted on the good cut on contact fixed blade style....they' ll compliment your set-up nicely.

If you want to play with some numbers for various shafts,weights etc. Go to www.bowjackson.com You' ll find all sorts of good calculators there to help you " See" an arrow before you buy or build it.
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