A quick search on Google gives 5.5 to 6.0 oz as the official
weight of billiard balls. See
http://www.8ball.org/rules_bca_equipment.htm
I think the important part is that they are all the same weight.
Victor
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I wonder what the difference between the two games is, really,
in terms of the equipment. AFAICT, the term "pool" refers to
a few games of pocket billiards popular in US and "billiards"
is the general name of the game with balls on a table...
Russian billiard has heavier balls, smaller pockets, and quite
different rules (at least I've never seen any game here played
without the "cue" ball).
I think the elephant balls he was referring to were in fact
'pool' balls [aka 'boston balls on Europe afaik], not carom
billiard balls.
"6. Balls and Ball Rack
All balls must be composed of cast phenolic resin plastic
and measure 2 1/4 (+.005) inches [5.715 cm (+ .127 mm)] in
diameter and weigh 5 1/2 to 6 oz [154 to 168 gms]. ***
http://www.wpa-pool.com/rules/tablespecs.htm
I believe that the elephant balls though perhaps the regulation
2 1/4" dia are lighter because they are polyester plastic, not
cast phenolic like the classic quality ball sets.
The 3-ball carom billiard sets seem to come in several sizes
i.e. 2 1/16", 2 1/4", 2 3/8" and 2 1/2".
However, WORLD RULES OF CAROM BILLIARDS provides for these
regulations:
"Article 12 - Balls, chalk
***
2. These balls are rigorously round and their diameter must be
between 61 and 61.5 cm. A ball's weight must be between 205 and
220 gramms or must have another weight agreed by the UMB
committee. However, the difference between the heaviest and the
lightest ball should not exceed two gramms.
hehe ... imagine playing with 24" balls :)
allowing for typo and converting mm, that would be 2.40-2.42"
dia. and 7.23-7.76 ounces.
hmmm.. none of the 4 sizes I saw advertised met this regulation
size.
"Bchbound" <bchb...@optonlinenojunk.net> wrote in message
news:MPG.187fa35ee...@news.optonline.net...
John
"Bchbound" <bchb...@optonlinenojunk.net> wrote in message
news:MPG.187fa35ee...@news.optonline.net...
BCA/WPA specs call for balls to weigh between 5 1/2 to 6 oz [154
to 168 gms] so 166g is within allowable tolerances. While the
weight and diameter can vary within that range, some
manufacturers match size and weight within a set for more
constant play.