Emirates Spinnaker Tower five years, repainting and rebranding the tower in the sponsor's choice of colours and logos and new signage to be installed "no later than July 17" ahead of the 2015 America's Cup World Series. Dubai-based airline Emirates was reported to be the favoured sponsor, with the tower to be renamed as the Emirates Spinnaker Tower. On 5 June 2015, the city council confirmed that Emirates had been secured as the sponsor. Councillor Luke Stubbs said: "It's clearly a very good deal for the city and shows the benefit that Portsmouth is deriving from the America’s Cup... This also associates Portsmouth
Spinnaker because it somewhat resembles a parachute in both construction and appearance. This should not be confused with the spinnaker chute which is a hull fitting sometimes used for launching and recovering the spinnaker. A purported etymology has the first boat to carry this sail being a Cowes yacht named "Sphinx", from which "Sphinx's Acre" and eventually "Spinnaker". A spinnaker is used for sailing with the direction of the wind. Symmetrical spinnakers have large amounts of camber, making them nearly hemispherical. Both lift and drag propel the boat forward when moving with the wind. Reaching spinnakers have less camber as they