ENTERPRISE 1930
OVERALL LENGTH: 120 ft. 9 in.
WATER-LINE LENGTH: 80 ft.
BEAM: 22 ft.1 in.
DRAFT:14 ft. 6 in.; with deep centerboard. 23 ft. 6 in.
DISPLACEMENT: 128 tons
SAIL AREA: 7,583 sq. ft.

The Bermuda rig —a sail plan requiring a triangular mainsail set from a tail must and considered more efficient to windward—first appears on a Cup defender with designer W. Starling Burgess’ sloop Enterprise. She was aiso the first defender to carry two centerboards. which improved her steering.

from
The boatbuilders of Bristol : the story of the amazing Herreshoff family of Rhode Island : inventors, individualists, yacht designers, and America's Cup defenders

by Carter, Samuel, III, 1904-1988