Forces on sails to stay within the limitations of a craft's stability and power requirements, which are functions of hull (for boats) or chassis (for land craft) design. Sails derive power from wind that varies in time and with height above the surface. In order to do so, they are designed to adjust to the wind force for various points of sail. Both their design and method for control include means to match their lift and drag capabilities to the available apparent wind, by changing surface area, angle of attack, and curvature. Wind speed increases with height above the surface; at the same
Black Sails in the Sunset tracks recorded during the "Black Sails" sessions unless otherwise noted. Credits adapted from liner notes. Black Sails in the Sunset Black Sails in the Sunset is the fourth studio album by American rock band AFI. It was released on May 18, 1999 through Nitro Records. With the addition of guitarist Jade Puget as a permanent member, it is the first AFI album to feature the current line-up of the band. While "Black Sails in the Sunset" is a hardcore punk album, it also is a horror punk album. "Black Sails in the Sunset" was received well by critics. "Alternative Press"