The victory by Sir Ben Ainslie and his Oracle Team USA in the America's Cup is being ranked as one of the most astonishing comebacks of all time
First awarded in 1851, the America’s Cup is the biggest prize in sailingand over the years, the competition has been at the cutting edge of sailing technology.
In 1983 Australians used a winged keel to end the domination of American sailors to win the prize. The keel allowed the boat Australia II to be as light and as stable as possible while still having a large sail.