AC72 and AC45
The technical parameters
5900 kg~13000 lbs
windward (am Wind)
downwind (vor dem Wind)
The AC45 catamaran.
Between the 2 main crossbars span a rectangular,
between the first crossbar and the jib a triangular
The catamaran is steered with tillers. daggerboards on
each hull reduce the drift.
This boat is offered as a "one-design" package without
the possibility of a major design change. The yachts
are the same for all teams. Teams may modify the rig
or equipment for experimental purposes, but may not
use these changes in race.
On the hull nothing can be changed.
The package (hull, sail, etc.) is produced in New
Zealand by the company Core Builders in Warkworth.
For transporting the boats have to be dismantled
within 24 hours and have to be be ready to sail again
within 48 hours.
You can lease or buy the catamaran
From 2012, a standardized "wing-sail extension" is
offered as an optional extras. This wing is a
replaceable 4 m long mast extension with a square of
about 8 m2. The extension is used in light winds.
The midship rear-mounted S-shaped extension has
the joke name "Christmas Tree" and bears a row of
coloured signal lights. These are activated by radio
and transmits coded instructions of the umpires. They
will replace their support boats with the light bar.
As each catamaran the AC45 consists of 2 identical hulls, which are connected by two tubular
Midship is another bar, which ends at the bow into a jib boom and at the stern with the “Christmas
On this boom sits the wing with its front edge on a rotating platform.
The at the front rigid wing is approximately from the center backwards divided into 4 flaps. Those
are trimmed via cables.
Two soft sails the genaker and the smaller jib are hooked on the the jib boom. From this bar a
small pole ( old seaman called it „dolphin stroker“ and another one below the rotating plattform
have been mounted downwards to support the load distribution of a lot of anchoring cables.
AMERICA’S CUP HISTORY 1983 - 2013
© ACEA R 13_3152