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Sukhoi T-4: Difference between revisions

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{{short description|Four-engine aircraft from the USSR}}
{{distinguish|Sukhoi Superjet 100}}
{|{{Infobox aircraft begin
|name = T-4
|image = File:Sukhoi_T-4_(Monino_museum).JPG|caption = Sukhoi Т-4 at [[Central Air Force Museum]]
}}{{Infobox aircraft type
|type = [[Strategic bomber]]/[[Reconnaissance aircraft|Reconnaissance]]
|manufacturer = [[Sukhoi]]
|designer =
|first flightfirst_flight = 22 August 1972
|introducedintroduction =
|retired =
|produced =
|number builtnumber_built = 4 (only 1 passed test flights)
|status = project cancelled
|unit cost =
|primary userprimary_user = [[Soviet Air Force]]
|more usersmore_users =
|developed fromdeveloped_from =
|variants with their own articles =
}}
|}
 
The '''Sukhoi T-4''', or "Aircraft 100", or "Project 100", or "Sotka" wasis a [[Soviet Union|Soviet]] high-speed [[Reconnaissance aircraft|reconnaissance]], anti-ship and [[strategic bomber]] aircraft that did not proceed beyond the [[prototype]] stage. It is sometimes called the Su-100.<ref name="monino">{{Cite web |url=http://www.moninoaviation.com/24a.html |title=Sukhoi T-4 "Sotka" at the Russian Air Force Museum (Monino) |access-date=2005-01-24 |archive-date=2017-04-05 |archive-url=https://web.archive.org/web/20170405115621/http://www.moninoaviation.com/24a.html |url-status=dead }}</ref>
 
==Design and development==
 
In 1963, the Soviet government held a [[request for proposal]] among the aircraft design bureaus, with the aim of developing an aircraft analogous to the [[North American XB-70 Valkyrie]]. The Sukhoi design, with its high cruise speed of {{convert|3200|km/h|abbr=on}} was favored over the designs submitted by [[Yakovlev]] and [[Tupolev]] and after a preliminary design review in June 1964, the building of a prototype was authorized.
Development of the T-4 required massive research efforts to develop the technologies necessary, including the manufacturing technologies to machine and weld the materials necessary to withstand sustained Mach 3 flight. Nearly 600 patents or inventions are attributed to the program.<ref>[https://web.archive.org/web/20060514222436/http://www.sukhoi.org/eng/planes/museum/t4/ T-4 on Sukhoi Company website]</ref>
The first flying prototype was finally completed in the autumn of 1971. Work continued on an additional three airframes (one for static testing) through 1975. In 1974, the [[Ministry of Aviation Industry (Soviet Union)]] ordered work suspended on the T-4 project, which was officially scrapped on 19 December 1975.
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==Aircraft on display==
[[File:Sukhoi T-4-100 ‘101 red’ (24657722887).jpg|thumb|Aircraft "101" at Central Air Force Museum]]
One T-4 survives. Aircraft "101" is on display at the [[Central Air Force Museum]] in [[Monino]] near [[Moscow]]. The serial numbers of the prototypes were "101" to "106". Only "101" and "102" were built, while other additional prototypes "103" and "104" were under construction, and "105" and "106" only existed on draft charts.{{cn|date=February 2022}} Only the "101" completed all the test flights and flew the last test flight before the project was canceledcancelled on 22 January 1974. The rest of the prototypes were scrapped.
 
==Specifications==
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[[Category:Quadjets]]
[[Category:Aircraft first flown in 1972]]
[[Category:Aircraft with retractable tricycle landing gear]]
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