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Old 01-13-2009, 09:53 PM
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Centaur 1
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Join Date: Nov 2007
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Default RE: Calculating Fletch Offset

ORIGINAL: MGH_PA

ORIGINAL: Centaur 1

On my Bitz I put marks with a fine sharpie to the sides of the zero line. 1 deg is about .09" or just under 3/32". If your 1 line to the left of zero at one end and one line to the right at the other end, then you would have approx. 2 degrees of offset.
How did you calculate the 1 degree offset on the shaft to know that you had the dial set just right? What I'm saying is...you marked above the dials, correct? How did you know where you were marking was truly 1 degree offset on the shaft?


Hey Matt,

It's hard to be exact but my method is close. The adjustable part of my Bitz jig is approximately 5" long. 5 times the sine of 1 degree = .087. That's about one human hair less than 3/32". I took a fine tipped sharpie and marked 3 lines on either side of both zero lines that are 3/32 apart. Then just give as much offset as you can while keeping good contact with the arrow shaft. When you're done count how many lines you are off from being straight, with each line of offset you'll have approx one degree.

Mike

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