America's Cup- AC72 sailing explained - all you ever need to know

Oracle Team USA July 15, 2013 Training in San Francisco
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Program for Australian TV to promote America's Cup participation, featuring John Bertrand, skipper of Australia II, wing keel winner of the America's Cup in 1983, and narrated clips of AC72 catamarans in 2013 by John Navas.

For those who want to understand the basics of AC72 sailing, this is an excellent primer on both the basic and finer points of AC72 sailing.

John Navas is a San Francisco sailor and excellent videographer and has watched almost every day of practice and racing in San Francisco.