Talk:Water polo ball

Dimensions

The 5 ball size is described as ".7 meters or 28 inches." But .7 meters is about

39.37 * .7 = 27.56 inches

This doesn't seem sufficiently precise - which dimension is the right one?

Thanks, Stuart H. Alden (talk) 22:07, 3 September 2010 (UTC)

The FINA rules are not really precise:

WP 3.3 For games played by men, the circumference of the ball shall be not less than 0.68 metres and not more than 0.71 metres...

WP 3.4 For games played by women, the circumference of the ball shall be not less than 0.65 metres and not more than 0.67 metres...

So make the correction to these sizes, if you wish. Ryanjo (talk) 01:54, 4 September 2010 (UTC)

Pressure

"Ball weight is 400-450 grams (14-16 ounces) and inflated to approximately 34-48 kPa (5-7 PSI)[1] of pressure." Which is the real source of this assertion? A source is provided but it says nothing.

It seems the ball is quite harder as 90/97 kPa as many other authoritative sources says.

http://www.fina.org/H2O/index.php?option=com_content&view=article&id=310:wp-3-the-ball&catid=85:water-polo-rules&Itemid=184 WP 3.3 For games played by men, the circumference of the ball shall be not less than 0.68 metres and not more than 0.71 metres, and its pressure shall be 90-97 kPa (kilo Pascal's)(13-14 pounds per square inch atmospheric).

http://www.canoeicf.com/dms/icf/documents/Disciplines/CAP/Rules/Rules-CAP-2009/Rules%20for%20Canoe%20Polo%202009.pdf 38.3. For games played by Men, Under-21 Men and Master Men, the circumference of the ball shall not beless than sixty-eight (68) and not more than seventy-one (71) centimetres, and its pressure shall be 90-97 kPa (kilo pascals).

http://usawaterpolo.org/Libraries/General%20Document/USAWP_FINA_09_13.sflb WP 3.3 For games played by men, the circumference of the ball shall be not less than 0.68 meters and not more than 0.71 meters, and its pressure shall be 90-97 kPa (kilo Pascals) (13-14 pounds per square inch atmospheric).

Armando82 (talk) 14:39, 17 September 2010 (UTC)

Thanks for the corrections. I changed this in the article. Ryanjo (talk) 02:19, 18 September 2010 (UTC)

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