McDonnell Douglas 253 V/STOL Lift Fan Research Transport study

flateric said:
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Hi,

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740019385_1974019385.pdf
 

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The McDonnell Douglas Model 253 was developed as a result of many prior studies to adapt a VTOL fan system to various airframes. The studies led to a 6 engine interconnected RLF configuration as the most representative candidate configuration for a 1985 VTOL civil transport. The study efforts validated the initial research transport configuration as the Model 253, which was about 80% the size of the 1985 100-passenger aircraft. The Model 253 overall size, VTO gross weight and configuration, as compared with the selected future V/STOL transport aircraft, as well as its versatility, made it an ideal research vehicle preceding the introduction of the V/STOL transport system.

Source: CONCEPTUAL DESIGN OF A V/STOL LIFT FAN COMMERCIAL SHORT HAUL TRANSPORT - SUMMARY (NASA, JANUARY 1973)
 

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From Aviation Week July 1973 a cut-away, showing the engine arrangement
of the 253:
 

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Greetings All -

A recent donation to the Museum, I also have a very nice drawing which awaits a new large format scanner at work. hope to have that in a few weeks.

Enjoy the Day! Mark
 

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Greetings All -

I have a new engineering plotter/scanner at work so can now scan some larger format drawings to my satisfaction. Here's the Model 253 for your viewing pleasure....

Enjoy the Day! Mark
 

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Mark Nankivil said:
I have a new engineering plotter/scanner at work so can now scan some larger format drawings to my satisfaction.
Click to expand...

Oh wow. :eek:

I was already in awe with the quality of all that you shared with us... Can only begin to imagine the wonders you will come up with in the near future!!! ;D

Keep up the good work! ;)
 
Hi,

http://archive.aviationweek.com/image/spread/19730716/32/2
http://archive.aviationweek.com/image/spread/19730716/33/2
 

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Good Day All!

A few more items on the Model 253 from one of the engineers that worked on the design proposal. Now in the collection of the Greater St. Louis Air and Space Museum.

Also have a few photos to post once they are scanned.

Enjoy the Day! Mark
 

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  • zModel 253 Fwd Fuselage Fan Scroll MODIR Comparison SK910-92 Sht 1 of 3 Jul-28-71.jpg
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  • zModel 253 Fwd Fuselage LF4XX Lift Fan Installation SK910-92 Sht 2 of 3 Aug-3-71.jpg
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  • zModel 253 Fwd Fuselage Fan Scroll MODIR Comparison SK910-92 Sht 3 of 3 Aug-17-71.jpg
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