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ballast ratio

См. также в других словарях:

  • Ballast Factor —   The ratio of light output of a fluorescent lamp operated on a ballast to the light output of a lamp operated on a standard or reference ballast …   Energy terms

  • Glide ratio — Glide ratio, also called, Lift to drag ratio, glide number, or finesse, is an aviation term that refers to the distance an aircraft will move forward for any given amount of lost altitude (the cotangent of the downward angle). Alternatively it is …   Wikipedia

  • Citerne de ballast — Certains grands navires tels que les pétroliers, vraquiers, ou gaziers sont munis des citernes de ballast qui leur permettent de mieux manœuvrer le navire. Objectifs Une citerne de ballast a trois principaux buts: permettre de corriger la gîte du …   Wikipédia en Français

  • Stroke ratio — In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its… …   Wikipedia

  • Lift-to-drag ratio — In aerodynamics, the lift to drag ratio, or L/D ratio ( ell over dee in the US, ell dee in the UK), is the amount of lift generated by a wing or vehicle, divided by the drag it creates by moving through the air. A higher or more favorable L/D… …   Wikipedia

  • Trailer 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… …   Wikipedia

  • Nautor's Swan — Oy Nautor AB is a Finnish producer of luxury sailing yachts, based in Jakobstad. It is known for its Swan line of fiberglass yacht. The company was founded in 1966 by Pekka Koskenkylä. Since its inception, Nautor s Swans have had an enviable… …   Wikipedia

  • Bell Seagull and Seamew — The Bell Woodworking Seagull and Seamew are both small sloop rigged marine ply sailing boats of the Trailer yacht type designed by Ian Proctor, who was also responsible for the design of many small sailing dinghies in seven different classes… …   Wikipedia

  • Top Hat 25 — is an Australian made sailing yacht. It came in four different marks (models) named Mk 0 III. After the Mk III, another model, Top Hat 27, was launched before the production ceased.MK 0The cold moulded model from 1963, four 3 mm laminations laid… …   Wikipedia

  • Contessa 26 — The Contessa 26 is a 7.77 meter (25.6 ft) fiberglass monohull sailboat, brought about when Jeremy Rogers, with a background in traditional wooden boatbuilding along with one of his Folkboat customers, David Sadler, created a modified version …   Wikipedia

  • E•boat — The E Boat, was designed by Julian Everitt, and went into production in 1976 and there are in excess of 250 E Boats built between 1976 and 1984 of which around one hundred and fifty were in the UK. She was designed to comply with IOR rules and is …   Wikipedia

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