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Author Topic: how can i drill my saw blade....  (Read 995 times)

jonah300

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how can i drill my saw blade....
« on: February 28, 2005, 12:23:23 AM »
to be an intermediate ball...i want to put it in the middle of my absolute inferno and the storm vertigo...i want it to be as smooth as possible
thanks a lot
jonah300
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J_Mac

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Re: how can i drill my saw blade....
« Reply #1 on: February 28, 2005, 11:09:38 AM »
Hmm...  well the OOB surface is pretty smooth.  I'd say pop three holes in it and you'll be good.  Maybe four to get it to scale legally.  
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JamesCube

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Re: how can i drill my saw blade....
« Reply #2 on: February 28, 2005, 07:44:24 PM »
The closer the pin is to the PAP the earlier the roll since the core will be in a relatively stable position.  The mass bias isn't marked on the saw blade but if you put a line from the pin through the CG 6 3/4 inches you'll know where it is.  The mass bias is the least important factor of the top three (coverstock, pin, then mass bias) but for a smooth arc you'll want to stay away from putting it at 75 degrees.  For more length, increase the angle away from 75 or for earlier motion go less than 75.

You can check for different drill suggestions at www.hammerbowling.com and find the Saw Blade drilling instructions here:  

http://www.hammerbowling.com/shop_stuff/detail.php?drilling=Drilling Instructions 2
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