high-lift flap
61procellariiform — ▪ bird Introduction any of the group of seabirds that includes the albatrosses (albatross) (family Diomedeidae); shearwaters (shearwater), fulmars (fulmar), prions (prion), and large petrels (petrel) (Procellariidae); storm petrels (storm… …
62Westland Welkin — infobox Aircraft name = Westland Welkin type = high altitude fighter manufacturer = Westland Aircraft caption = Welkin Mk I DX282 designer = W.E.W. Petter first flight = 1 November 1942 introduced = May 1944 retired = November 1944 status =… …
63Boundary layer control — In aeronautical engineering, boundary layer control (BLC) refers to a number of methods of controlling the boundary layer of air on the main wing of an aircraft. In doing so, parasitic drag can be greatly reduced and performance likewise… …
64Sukhoi Su-25 — infobox Aircraft name = Su 25 caption =Russian Air Force Su 25T type = Close air support aircraft manufacturer = Sukhoi Design Bureau designer = first flight = 22 February 1975 (T8) introduced = 1981 retired = status = Active service primary user …
65Operation Sigma Sigma — Sigma Role Open class sailplane National origin United Kingdom Manufacturer Operation Sigma Ltd Designer John Sellars First flight 12 September 1971 Status still flying Number built …
66articulated rotor — A rotor in which the individual blades are free to flap (i.e., move up and down), drag (i.e., move back and forth in the plane of rotation), and change their pitch angle independently. This is done by mounting the blades on flapping and drag… …
67Piper PA-18 — Infobox Aircraft name = PA 18 Super Cub caption = PA 18 150 Super Cub floatplane at Tinney Cove (Bathurst Inlet) type=Light utility aircraft manufacturer= Piper Aircraft designer= first flight=1949 introduced=1949 retired= status= primary user=… …
68slot — slot1 [slät] n. [ME, a bar, bolt < OFr esclot < Frank * sclot; akin to Ger schliessen, to lock: see CLOSE2] 1. a narrow notch, groove, or opening, as a keyway in a piece of machinery, a slit for a coin in a vending machine, etc. 2. any of… …
69airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
70Avrocar — infobox Aircraft name =VZ 9 AV Avrocar type =experimental proof of concept vehicle manufacturer =Avro Aircraft Ltd. (Canada) caption = The Avrocar S/N 58 7055 (marked AV 7055 ) on its rollout. designer =John Frost first flight =12 November 1959… …
