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Date: 20 Apr 2005 17:55:12
From: Spammy Sammy
Subject: Ball spec and resurfacing
Question re resurfacing.

"The circumference of a ball shall not be more than 27.002 inches nor less
than 26.704 inches, nor shall it weigh more than 16 lbs (no minimum
weight)."
http://members.tripod.com/Tips_4_Tenpin/equipment/Ball_Drilling_Tape/ball_specifications.htm

Roughly speaking, and I know it depends on how much of the surface layer is
removed each time, how many times can a ball be resurfaced before it no
longer meets the minimum diameter requirements? Also, why is there a minimum
diameter requirement. I would have thought that the smaller the ball, the
worse it will perform when hitting the pins as there is less of it to go
around.

One answer to a previous post of mine regarding serial numbers stated that
the engravings/etchings on a balls surface can be thought of as "wear bars",
similar to car tyres. Is there any kind of standardisation of depth for ball
markings?

TIA.








 
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