to have no ballast
51Caribbean Sailing Yachts — Caribbean Sailing Yachts, also known as CSY, are heavy displacement recreational sailboats built during the 1970s and 1980s in Tampa, Florida. CSY went out of business in the early 1980s; however, the well founded boats have continued to sail the …
52A3 motorway (Romania) — Infobox road marker state = highway name = Autostrada Transilvania name notes = type = route = alternate name = A3 maint = National Company of Motorways and National Roads of Romania section = length km = 415 length round = length ref = length… …
53Glider Competition Classes — Competition classes in gliding, as in other sports, mainly exist to ensure fairness in competition. However the classes have not been targeted at fostering technological development as in other sports. Instead classes have arisen because of: *… …
54Trailer sailer — A trailer sailer is a small yacht or large dinghy style of sailboat that is moved to sailing locations and stored on a road trailer. It is neither a Day sailer or a Pocket cruiser but may be used for either purpose depending upon design… …
55Glider competition classes — Competition classes in gliding, as in other sports, mainly exist to ensure fairness in competition. However the classes have not been targeted at fostering technological development as in other sports. Instead classes have arisen because of: the… …
56Bluebell Railway — The Bluebell Railway is a heritage line running for nine miles along the border between East Sussex and West Sussex, England. Steam trains are operated between Sheffield Park and Kingscote, with an intermediate station at Horsted Keynes.The… …
57Hydrargyrum medium-arc iodide lamp — Hydrargyrum medium arc iodide, or HMI, is a mercury halide gas discharge medium arc length lamp with a multi line spectra emission. The name implies that hydrargyrum, an archaic term for Mercury (Hg), is held as a vapour mixed with other rare… …
58Demand response — This article is about the electrical concept. For the transport concept, see Demand responsive transport. A clothes dryer using a demand response switch to reduce peak demand In electricity grids, demand response (DR) is similar to dynamic demand …
59balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
60Gliding — is a recreational activity and competitive sport in which pilots fly un powered aircraft known as gliders or sailplanes. Properly, the term gliding refers to descending flight of a heavier than air craft, whereas soaring is the correct term to… …
