A 12 Metre is classified as belonging to one of three periods. Each Period is defined as a range of dates which coincided with a particular type of keel or rudder design becoming widespread. …

Challenge 12: Ben Lexcen: Steve E. Ward & Co. AUS 11: KA–11: 1985: Kookaburra: Iain Murray & John Swarbrick: Parry Boat Builder [6] AUS 12: KA–12: 1985: Kookaburra II: Iain Murray & …

Built for the 1964 America’s Cup campaign, her keel was quite innovative from conventional Twelve lines and her mast passed through a raised section in the deck (known as “Mount …

The 115 year-old International 12 Metre Class encompasses a living history of racing yacht design by the world’s foremost naval architects including Olin Stephens, Clinton Crane, William Fife …

May 13, 2007 · Is this really A4's keel? If so, it was probably the most wild design (apart from USA61) at the 87 AC. Are there any real life photos of this keel? Was Australia 3's keel …

The winged keel is a sailboat keel layout first fitted on the 12-metre class yacht Australia II, 1983 America's Cup winner. This layout was adopted by Ben Lexcen, designer of Australia II.

Jul 9, 2007 · The 12-Meters are heavy-displacement boats, and the rating rule constrains length and sail area such that the boats’ speed potential fits within a fairly narrow band.

Built for the 1964 America’s Cup campaign, her keel was quite innovative compared with conventional Twelve lines and her mast passed through a raised section in the deck, gaining …

The 12-Metre Class is a rating class for racing boats designed to the International rule. It enables fair competition between boats that rate in the class whilst retaining the freedom to experiment …

Nov 22, 2017 · Sailing’s legends like Olin Stephens have designed 12-Meter boats. Vim, a Stephens design built in 1939, is one of the most beloved Twelves of all time, and it’s still …