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J-class yacht
From Wikipedia, the free encyclopedia
During the 1930s J-class yachts were built to race in the America's Cup. Only 10 were ever built, or converted to J-class, as they were extremely expensive to build and maintain, especially in the post war years after the Cup resumed in 1958. They were replaced by the 12-metre class yachts.
The J designation refers to the class of yacht defined by its sail area, displacement, length, and mast height, formally defined in the Universal Rule. When designing a J-class yacht builders would have to decide which characteristics to maximize to build the ideal yacht.
All three America's Cup races featuring J-class boats were won by the United States. In 1930 the Enterprise defeated the Shamrock V of Ireland. In 1934 the Rainbow defeated the Endeavour of Britain. And in 1937, the peak of J-class yacht racing, the Ranger defeated the Endeavour II of Britain.
Only 10 yachts were ever built or converted to conform to J-class specifications:
| Name | Year | LOA | LWL | Beam | Draft | Disp. | Designer | Builder |
|---|---|---|---|---|---|---|---|---|
| Enterprise | 1930 | 120 ft 9 in | 80 ft | 23 ft | 14 ft 6 in | 128 tons |  United States |
|
| Whirlwind | 1930 | 139 ft | 86 ft | 21 ft 9 in | 15 ft 6 in | United States |
||
| Yankee | 1930 | 126 ft | 83 ft | 22 ft 6 in | 14 ft 6 in | 148 tons | United States |
|
| Weetamoe | 1930 | 125 ft 9 in | 83 ft | 20 ft | 15 ft | United States |
||
| Shamrock V | 1930 | 119 ft 1 in | 81 ft 1 in | 20 ft | 14 ft 9 in | 134 tons |  United Kingdom |
|
| Velsheda | 1933 | 127 ft 6 in | 83 ft | 21 ft 6 in | 15 ft | Charles Nicholson | Camper & Nicholson United Kingdom} |
|
| Endeavour | 1934 | 129 ft 6 in | 83 ft 6 in | 22 ft | 14 ft 9 in | 143 tons | Charles Nicholson | Camper & Nicholson United Kingdom |
| Rainbow | 1934 | 127 ft 6 in | 82 ft | 21 ft | 15 ft | 141 tons | United States |
|
| Ranger | 1937 | 135 ft | 87 ft | 21 ft | 15 ft | 166 tons | Starling Burgess & Olin Stephens | Bath Iron Works United States |
| Endeavour II | 1937 | 135 ft 6 in | 87 ft | 21 ft 6 in | 15 ft | 162 tons | Charles Nicholson | Camper & Nicholson United Kingdom} |
- Disp: Displacement
- LOA: Length overall
- LWA: Length at water line
| Classes of Keelboats (Worldwide List) | |
|---|---|
|
10 Metre | 11 Metre | 12 Metre | 2.4 Metre | 5 Metre | 5.5 Metre | 6 Metre | 8 Metre | Achilles 24 | Aloha | Antrim 27 | Beachcomber (22 ft) | Catalina Yachts | Catalina 30 | Cabot 36 | Colin Archer | Contessa 32 | Didi26 | Downeaster | Dragon | Etchells | Farr 40 | Fife | Flying Fifteen | Flying Tiger 10 M | Freedom | Folkboat | Freedom Yachts | Guppy 13 | H-boat | Hallberg-Rassy | International 806 | International Americas Cup Class | IOD | J/22 | J/24 | J/105 |J-Class | Kendall 32 | Knarr |Laser SB3 | Maxi Yacht | Melges 24 | Melges 32 | Monark 540 | Moore 24 | Open 50 Monohull | Open 60 Monohull | Pearson Triton | Red Witch | Ross 930 | San Juan 24 | Sea Sprite 34 | Shark 24 | Shields | Soling | Sonar | Soverel 33 | Squib | Star | Stella | Sydney 38 | Tartan Ten | Tempest | Top Hat 25 | Triton | Vindö | Westsail 32 | Yngling |
|