center keel
21NASA Paresev — Paresev Paresev 1 in landing, 1962 Role Flexible wing research glider Manufacturer …
22Log canoe — The log canoe is a type of sailboat developed in the Chesapeake Bay region. Based on the dugout, it was the principal workboat of the bay until superseded by the bugeye and the skipjack. However, it is most famous as a racing sailboat, and races… …
23Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
24Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… …
25Belize — Belize …
26Space Station Freedom — was the name given to NASA s project to construct a permanently manned Earth orbiting space station. Although approved by then president Ronald Reagan and announced in the 1984 State of the Union Address, Freedom was never constructed or… …
27Ultralight trike — An ultralight trike, also known as a flex wing trike, weight shift control aircraft, microlight trike, deltatrike[1] or motorized deltaplane,[2] is a type of powered hang glider using a high performance Rogallo wing coupled to a propeller powered …
28Dragon boat — This article is about Dragon boats and racing. For the festivals and holidays associated with dragon boats, see Duanwu Festival. Dragon boat Traditional Chinese 龍舟 Simplified Chinese 龙舟 …
29Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
30Galley — For other uses, see Galley (disambiguation). A model of a Maltese design typical of the 16th century, the last great era of the wargalley A galley is a type of ship propelled by rowers that originated in the Mediterranean region and was used for… …
