drag sail
71Kite types — Colorful delta wing kite Kites are tethered flying objects which fly by using aerodynamic lift, requiring wind, (or towing), for generation of airflow over the lifting surfaces. Contents 1 Kite …
72Square rig — is a generic type of sail and rigging arrangement in which the primary driving sails are carried on horizontal spars which are perpendicular, or [http://en.wiktionary.org/wiki/square#Adjective square] , to the keel of the vessel and to the masts …
73Proa — A proa or prau is a type of multihull sailing vessel. While the word proa just means boat in its native language, the term proa in Western languages has come to describe a vessel consisting of two (usually) unequal length parallel hulls, sailed… …
74Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… …
75Bussard ramjet — The Bussard ramjet is a theoretical method of spacecraft propulsion proposed in 1960 by the physicist Robert W. Bussard, popularized by Larry Niven in his Known Space series of books, and referenced by Carl Sagan in the television series and book …
76MythBusters (2011 season) — Country of origin Australia United States Broadcast Original channel Discovery Channel Original run …
77Sloop — For the military definition of sloop see: Sloop of war. : For the open learning project see: SLOOP Project. A sloop (from Dutch sloep ) is a sailboat with a fore and aft rig and a single mast farther forward than the mast of a cutter. A sloop s… …
78Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
79Mast aft rig — A mast aft rig, alternately referred to as aft mast rig, is a sailboat sail plan that uses a single mast set in the aft half of the hull. The mast supports fore sails that may consist of a single jib multiple staysails, or a crab claw sail. The… …
80Sea shanty — For the song Sea Shanty by Quasi, see Featuring Birds For the album Sea Shanties by English band High Tide, see High Tide (band). Sailors sang shanties while performing shipboard labor A shanty (also spelled chantey , chanty ) is a type of work… …
