Английская Википедия:Chase XC-123A
The Chase XC-123A was an experimental transport aircraft developed by Chase Aircraft. The first jet-powered transport built for the United States Air Force, it was intended for use as a high-speed transport for high-priority cargo and personnel. The XC-123A was determined to have insufficient advantages over existing types in service, and did not go into production. The sole prototype was converted into the piston-powered Stroukoff YC-123D to evaluate boundary layer control systems.
Design and development
In the late 1940s, Chase Aircraft had developed the XG-20, the largest glider ever built in the United States.[1] By the time it was ready for operations, however, U.S. military doctrine had been altered to remove the requirement for the use of transport gliders in combat.[2]
However, the XG-20's aircraft had been designed to allow for the easy installation of power plants, and Chase modified the two prototypes into powered aircraft, one becoming the XC-123, with twin piston engines.[3] The second XG-20, however, was taken in hand for a more radical reconfiguration, being fitted with two twin-jet engine pods, of the type used by the Convair B-36 and Boeing B-47 bombers, to become the XC-123A.[4] As there was no provision for housing fuel in the former glider's wings, fuel tanks were installed underneath the cabin floor.[4]
Operational history
Dubbed "Avitruc" by its manufacturer,[5] the XC-123A conducted its maiden flight on April 21, 1951,[4] becoming the first jet-powered transport aircraft to successfully fly in the United States.[4] It was considered "excellent" in flight trials, with the aircraft showing few vices,[6] and demonstrating reasonably good short-field capability.[4]
Despite this, even as the XC-123 proved successful, the XC-123A failed to win sufficient favor in flight testing to receive a production order. Although the aircraft's short-field performance was good, on rough, unimproved fields the low-slung jet pods would suck debris into the intakes, damaging the engines.[4] In addition, the aircraft's design was mismatched to its engines,[7] resulting in the XC-123A being incapable of providing sufficient cargo capacity compared to the amount of fuel its jet engines required.[2] As a result, the XC-123A project was abandoned without additional aircraft being built.[2]
Following the conclusion of trials, the XC-123A was converted to be powered by two Pratt & Whitney R-2800 radial engines, and was used for boundary layer control trials as the Stroukoff YC-123D, receiving serial number 53–8068.[4][8][9]
Specifications (XC-123A)
See also
Шаблон:Portal Шаблон:Aircontent
References
Notes
Bibliography
- Шаблон:Cite book
- Шаблон:Cite journal
- Шаблон:Cite web
- Шаблон:Cite web
- Шаблон:Cite book
- Шаблон:Cite web
- Шаблон:Cite journal
- Шаблон:Cite book
External links
Шаблон:Chase aircraft Шаблон:USAF transports
- ↑ Sergievsky et al. 1998, p.128
- ↑ 2,0 2,1 2,2 Mitchell 1992, p.164.
- ↑ Adcock 1992, p.4.
- ↑ 4,0 4,1 4,2 4,3 4,4 4,5 4,6 Ошибка цитирования Неверный тег
<ref>
; для сносокAiA
не указан текст - ↑ Air League 1975, p. 113.
- ↑ Ошибка цитирования Неверный тег
<ref>
; для сносокBG
не указан текст - ↑ Sweetman 1979, p.97.
- ↑ Baugher 2010a
- ↑ Baugher 2010b
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