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 controlled by lines known as a sheet and a guy running from the lower two corners of the sail. The windward line, or guy, is attached to the corner called the tack of the sail, and is stabilized by a spinnaker pole. The leeward (downwind) line is called the sheet. It attaches to the clew of the spinnaker and is used to control the shape of the sail. The spinnaker pole must be moved in each gybe, and is quite difficult for beginners to use. However, it can be sailed in all downwind wind directions. Symmetric spinnakers when sailing across