glide ratio

The ratio of the forward distance traveled to the vertical distance an aircraft descends when gliding without any power. Also called a gliding ratio.

Aviation dictionary. 2014.

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  • 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

  • glide ratio — noun a) The instantaneous ratio of rate of fall to horizontal speed for a glider. b) The maximum ratio of rate of fall to horizontal speed that a …   Wiktionary

  • 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

  • lift-to-drag ratio — noun a) The instantaneous ratio of lift to drag of an aerodynamic article such as an a wing, entire aircraft or bird. b) The maximum ratio of lift to drag of an …   Wiktionary

  • best glide speed — The speed at which the aircraft glides the maximum distance from a given altitude. This speed corresponds to the one that gives the best L/D (lift/drag) ratio. An aircraft with a higher L/D ratio will glide farther than an aircraft with a lower… …   Aviation dictionary

  • Polar curve (aviation) — A polar curve is a graph of the rate of sink of an aircraft, often a glider, versus its horizontal speed.Measuring a glider s performanceKnowing the best speed to fly is important in exploiting the performance of a glider. Two of the key measures …   Wikipedia

  • Glider — Gliders or Sailplanes are heavier than air aircraft primarily intended for unpowered flight. See also gliding and motor gliders for more details. [cite web url = http://www.ssa.org/UsTeam/adobe%20pdf/pr%20pdf/BR%20Sailplanes%20V3%2004.pdf title …   Wikipedia

  • Hang gliding — Hang glider launching from Mount Tamalpais …   Wikipedia

  • Schweizer SGS 1-23 — NOTOC The Schweizer SGS 1 23 is a United States Open and Standard Class, single seat, mid wing glider built by Schweizer Aircraft of Elmira, New York.Said, Bob: 1983 Sailplane Directory, Soaring Magazine , pages 28 30. Soaring Society of America …   Wikipedia

  • Diamond HK36 Super Dimona — H36 Dimona and HK36 Super Dimona Diamond HK36 Super Dimona Role Motor glider …   Wikipedia

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