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McDonnell Douglas DC-X-200 project

hesham

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Hi,

the MD DC-X-200 was a project of twin engined version
of DC-10.
http://www.flightglobal.com/PDFArchive/View/1975/1975%20-%202331.html?search=canard%20aircraft%20project%201964
 

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hesham

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And from NASA;
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19840020666_1984020666.pdf
 

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Triton

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Artist impression of McDonnell Douglas DC-X-200 jet transport from The McDonnell Douglas Story by Douglas J. Ingells, Aero Publishers, Inc., 1979.

Proposed wide-cabin jet transport under study in Long Beach was designated the DC-X-200. A twin-engine aircraft, the DC-X-200 was proposed as a replacement for narrow-cabin short-to-medium range jetliners. As envisioned by McDonnell Douglas engineers, the twin jet would carry about 200 passengers in a cabin almost 19 feet wide, same as the DC-10. Fuselage would be 140 feet long, and wingspan would be 150 feet. Tail height would be 52 feet. Advances in the DC-X-200 would include a supercritical wing and advanced high-lift system. DC-X-200 would offer considerable improvement over narrow-cabin jets in terms of fuel economy, passenger comfort, and cost of operation.

The DC-X-200, or Model D-969N-18D/18F, was a smaller aircraft that was proposed when the DC-10 Twin was rejected by airlines as being too large and too expensive to operate. Airline surveys in 1972-1973 indicated that they were more interested in a wide-bodied twin with 180 to 200 passenger capacity. The aircraft was designed to compete against the Airbus A200B and replace the larger Douglas DC-9 and Boeing 727 aircraft.
http://www.secretprojects.co.uk/forum/index.php/topic,4299.msg33972.html#msg33972


The DC-X-200 was aimed at the then airline capacity needs, with interior arrangements in a mixed class version for 18 first class passengers and 180 economy class, for a total 198. There was also a high density seating arrangement for a total of 226 passengers.


The cockpit, forward fuselage section, aft fuselage section were identifical to the DC-10. The DC-X-200 would differ in wings and engines to the DC-10. The supercritical wing would be brand new based on the development of the YC-15 Advanced Medium STOL transport. It would allow higher cruise speeds while at the same time having greater lift potentinal in the slow speed range. Greater lift would allow the DC-X-200 to operate at shorter airfields in smaller communities.
 

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circle-5

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Here are some manufacturer desk models of the DC-10 Twin and Lockheed L-1011-600 BiStar.
 

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Triton

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circle-5 said:
Here are some manufacturer desk models of the DC-10 Twin (DC-X-200) and Lockheed L-1011-600 BiStar.

I presume that the Lockheed L-1011-600 BiStar was the 220-to-230 passenger medium range version of the Lockheed L-1011 Tristar. The DC-10 Twin had a seating capacity of 265, while the DC-X-200 had a seating capacity of 198.

In mid-summer 1978, Douglas announced it was canceling the DC-X-200 project. In addition to the 220-to-230 passenger medium range version of the Lockheed L-1011 Tristar, Boeing had announced its 767-200 transport with orders from United Airlines and a sudden upsurge in orders for the Airbus A300 and its successor A300B.

Source: The McDonnell Douglas Story by Douglas J. Ingells, Aero Publishers, Inc., 1979.
 

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Mark Nankivil

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Greetings All -

[link no longer active]

Enjoy the Day! Mark
 

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Graham1973

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NASA report detailing wind-tunnel testing of a DC-X-200 model fitted with high-lift devices after the 1978 cancelation date. (Model scale 4.7 percent of the real plane had it been built)

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19840020673_1984020673.pdf
 

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Stargazer2006

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Graham1973 said:
NASA report detailing wind-tunnel testing of a DC-X-200 model fitted with high-lift devices after the 1978 cancelation date. (Model scale 4.7 percent of the real plane had it been built)

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19840020673_1984020673.pdf

Another report gives the DC-X-200 as the Douglas Model D-969N-21, and also provides the designations used for the NASA 4.7 percent scale model:

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19840025332_1984025332.pdf

The wind tunnel model was a 4.7-percent scale representation of the DC-X-200 airplane configuration. The model was designed and fabricated for testing at high Reynolds number conditions at the NASA Ames 12-Foot Pressure Wind Tunnel. The model designation was LB-486A for the Ames test and LB-486C for the NASA Langley V/STOL test.
 

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hesham

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Hi,

here is a Douglas D-969 L-4 twin engined and D-969 M-1 three engined Projects.

http://archive.aviationweek.com/image/spread/19741028/25/2/zoom
 

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Mark Nankivil

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DC-X-200 Brochure

Good Day All -

On EPay - http://www.ebay.com/itm/Original-McDonnell-Douglas-DC-X-200-Design-Features-July-1978-Project-canceled/272385525836?_trksid=p2047675.c100009.m1982&_trkparms=aid%3D888007%26algo%3DDISC.MBE%26ao%3D1%26asc%3D39243%26meid%3D6b319bce64fe4518bb22a248d19298f5%26pid%3D100009%26rk%3D1%26rkt%3D1%26sd%3D282187421060

The cover lists it is Model D-969N-21

Enjoy the Day! Mark
 

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Caravellarella

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Re: DC-X-200 Brochure

That looks like a later iteration with a higher-aspect ratio wing; interesting to see how the main undercarriage is stowed at an angle to reduce the length of the main undercarriage bay. Did you win the brochure Mark?

Terry (Caravellarella)
 

Mark Nankivil

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Re: DC-X-200 Brochure

Hi Terry -

I'm passing in this - hope Scott obtains it.

Enjoy the Day! Mark
 

Graham1973

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I have recently been told that there exists a study into 'glass cockpits' that used this aircraft as it's baseline design. I have just finished searching the NTRS for it but could not locate anything matching the description. If anyone can help with pointers I would be very interested in finding it.
 

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