The J-Class

The peak of the Big Class: ten enormous yachts built under Herreshoff's Universal Rule, raced for seven seasons, and then made obsolete by the Depression and the war.

Rule

The Universal Rule, devised by Nathanael Herreshoff in 1902; the NYYC's America's Cup rule 1914–1937

Rating

Roughly 65 to 76 ft rating

Aftermath

Superseded after 1937 by the smaller International Rule classes