lowered the flaps
11flap-overload valve — A valve in the flap system that prevents the flaps from being lowered at speeds that may cause structural damage. If the pilot tries to lower the flaps at higher than permissible speeds, causing excessive air loads on the flap, the valve acts to… …
12Lockheed P-38 Lightning — P 38 redirects here. For other uses, see P 38 (disambiguation). P 38 Lightning P 38H 5 LO, AAF Ser. No. 4 …
13P-38 Lightning — infobox Aircraft name =P 38 Lightning type =Heavy fighter manufacturer =Lockheed caption = designer =Kelly Johnson first flight =27 January 1939 introduction = 1941 retired = 1949 primary user = United States Army Air Force more users = produced …
14Flight control surfaces — Aircraft flight control surfaces allow a pilot to adjust and control the aircraft s flight attitude.Development of an effective set of flight controls was a critical advance in the development of the aircraft. Early efforts at fixed wing aircraft …
15USS Spuyten Duyvil (1864) — During the American Civil War, the Union Navy suffered heavy losses from the explosion of Confederate torpedoes. This experience prompted the Union Navy to design and build vessels capable of using this new weapon. One effort along this line… …
16de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …
17flap — [[t]flæ̱p[/t]] flaps, flapping, flapped 1) V ERG If something such as a piece of cloth or paper flaps or if you flap it, it moves quickly up and down or from side to side. Grey sheets flapped on the clothes line... [V n] They would flap bath… …
18Deflected slipstream — is an approach to creating an aircraft that can take off and land vertically (VTOL), or at least with a very short runway (STOL). The basic principle is to deflect the slipstream from one or more propellers approximately 90 degrees, to create an… …
19airplane — /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 …
20Envelope — This article is about envelopes in packaging. For other uses, see Envelope (disambiguation). Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address …
