Emirates Spinnaker Tower Emirates Spinnaker Tower The Emirates Spinnaker Tower is a landmark observation tower in Portsmouth, England, UK. It is the centrepiece of the redevelopment of Portsmouth Harbour, which was supported by a National Lottery grant. Its shape was chosen by Portsmouth residents from a selection. The tower, designed by local firm HGP Architects and engineering consultants Scott Wilson and built by Mowlem, reflects Portsmouth's maritime history through its being modelled after a sail. The tower was opened on 18 October 2005. The tower is owned by Portsmouth City Council, but operationally it is managed by Continuum Leading Attractions, a cultural attractions
Spinnaker planing dinghies as their speed generates an apparent wind on the bow allowing them to sail more directly downwind. It is also particularly useful in cruising yachts in the form of a "cruising spinnaker" or "cruising chute", where the ease of handling is important. A cruising chute is a form of asymmetric spinnaker used by cruising yachts and designed for easy use when short handed. Two sheets are used, with the tack line eased by a foot or so before gybing. Alternatively only one sheet is used, with the sail snuffed before a gybe. Many boats will have more than