ground effect


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  • noun

Words related to ground effect

apparent increase in aerodynamic lift experienced by an aircraft flying close to the ground

References in periodicals archive ?
According to the FAA's Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25B), "Due to the reduced drag in ground effect, the aircraft may seem capable of takeoff well below the recommended speed.
Research of ground effect influence on take-off of supersonic pilotless aircraft, Aviation Engineerging & Mainienance: 43-44.
The ground effect in multirotors has received much less attention.
Our descent slowed and stopped, and I told the crew I was going to keep it down in ground effect until we had airspeed on the bird.
The high increment of lift-to-drag ratio for the present wing in extreme ground effect recognizes a good efficiency for wing-in-ground (WIG) craft.
Other features include ground effect rejection VLF that eliminates annoying or false signals from wet ground foliage, pavement or mineralized ground; and a compact size for convenient storage.
Before the airplane gained sufficient EKIN--e.g., the published best rate of climb speed ([V.sub.Y)--the pilot aggressively pitched nose-up to a relatively high AoA, promptly climbing out of ground effect. Climbing out of ground effect causes increases in induced drag and wing loading, which, in turn, caused a rapid depletion of EKIN.
Windshear almost invariably results in a stall, particularly when it occurs close to ground level where air movement is wildly disrupted by ground effect. The physics of a severe ground windshear is silent, invisible, frightening and almost impossible for a pilot to react positively in time.
More than one Robbie pilot loaded his helo over gross and found that it would fly in ground effect but not out of it--rotor RPM promptly decayed and the subsequent attempt to land resulted in a helicopter that was in pieces.
With the helo pad on uneven terrain, it was clear they'd fly out of ground effect during departure--before they got much help from effective translational lift (ETL).
The hover pit test, as seen above, finds the aircraft anchored to the floor above a metal grate, which separates the aircraft from the ground effect and enables it to simulate free flight.
Flightship Ground Effect Pte Ltd, a Singapore-based aircraft manufacturer, has indicated that it will commence an air passenger service between Malaca and Singapore using a new amphibious aircraft called Flightship FS8 that has been jointly produced by Flightship and an Australian company.
I was easily in the air and into ground effect less than halfway down the runway, at about the 700-foot mark.
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