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The F-35 was the product of the Joint Strike Fighter (JSF) program, which was the merger of various combat aircraft programs from the 1980s and 1990s. One progenitor program was the Defense Advanced Research Projects Agency (DARPA) Advanced Short Take-Off/Vertical Landing (ASTOVL) which ran from 1983 to 1994; ASTOVL aimed to develop a Harrier jump jet replacement for the U.S. Marine Corps ...
Too tight a 'crest' curve could result in the train leaving the track as it drops away beneath it; too tight a 'trough' and the train will plough downwards into the rails and damage them. More precisely, the support force R exerted by the track on a train as a function of the curve radius r, the train mass m, and the speed v, is given by
20 in: England Great Woburn Railway situated in Woburn Safari Park; and North Bay Railway near Scarborough: United States Confusion Hill: Russia Krasnoyarsk Child Railway: 520 mm 20 + 15 ⁄ 32 in: Germany Several mine railways. Origine: from 1 ft 8 in preußische Zoll = 523,2 mm. [22] 533 mm: 21 in: England: Pleasure Beach Express: 550 mm 21 ...
This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready-to-run models. Has a track gauge ...
Lockheed Martin F-35 Lightning II development started in 1995 with the origins of the Joint Strike Fighter program and culminated in the completion of operational testing and start of full-rate production in 2021. [6] The X-35 first flew on 24 October 2000 and the F-35A on 15 December 2006.
Lockheed Martin X-35; Usage on ru.wikipedia.org F-35; Usage on sh.wikipedia.org F-35 Lightning II; Usage on sk.wikipedia.org Lockheed Martin F-35 Lightning II; Usage on sl.wikipedia.org Rolls-Royce plc; Pratt & Whitney F135; Rolls-Royce LiftSystem; Usage on sr.wikipedia.org F-35 лајтнинг II; Usage on tr.wikipedia.org Lockheed Martin F ...
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The Lockheed Martin F-35 Lightning II is a family of stealth multirole fighters that first entered service with the United States in 2015. The aircraft has been ordered by program partner nations, including the United Kingdom, Italy, Norway, and Australia, and also through the Department of Defense's Foreign Military Sales program, including Japan, South Korea, and Israel.