oBIGBUCKDOWNo
New Member
This months issue of "Peterson's Bowhunting", had a very interesting article about "bent carbon arrows".
SUMMARY: Basically, the writer had purchased new arrows. The arrows he bought had a straightness factor of +/-.001. Upon shooting the new arrows, 1 wouldn't group with/like the others. After spin testing the arrows for straightness, he found that in the middle of the arrow, it was indeed +/-.001 like the manufacturers said, but at the end of each arrow the straightness was as much as +/-.009 off!!!! Upon contacting the arrow manufacturer, they were disgusted to hear that they only measure straightness in the middle 28" of a 32" shaft.
The manufacturers solution is to cut even lengths off both ends of the shaft to achieve desired length.
To me this is very important in grouping and tuning broadheads.
Thought I would share for those who don't receive this magazine...
SUMMARY: Basically, the writer had purchased new arrows. The arrows he bought had a straightness factor of +/-.001. Upon shooting the new arrows, 1 wouldn't group with/like the others. After spin testing the arrows for straightness, he found that in the middle of the arrow, it was indeed +/-.001 like the manufacturers said, but at the end of each arrow the straightness was as much as +/-.009 off!!!! Upon contacting the arrow manufacturer, they were disgusted to hear that they only measure straightness in the middle 28" of a 32" shaft.
The manufacturers solution is to cut even lengths off both ends of the shaft to achieve desired length.
To me this is very important in grouping and tuning broadheads.
Thought I would share for those who don't receive this magazine...
