Fairchild FX fighter project (rival to the McDonnell-Douglas F-15)

overscan (PaulMM)

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Fairchild F-15 (model number unknown)

Early VG configuration
Final submission- fixed wing
 

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overscan (PaulMM)

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Any US members fancy a trip to NASM in Washington?

http://www.nasm.si.edu/research/arch/findaids/pdf/Fairchild_Finding_Aid.pdf

[Box 178]
Folder 2 Fairchild Hiller Republic Aircraft Division F-X Phase 1B/C Technical Resources, October 18, 1968

[Box 189]
Folder 6 Fairchild F-15 brochures

[Box 381]
Folder 8 F-15 pamphlets

[Box 386]
Folder 9 ...and F-15 General Arrangement

[Box 396]
Folder 1 F-15, Air Superiority Fighter pamphlet, advertisements, brochures, photographs and
stickers, 1969
Folder 2 F-15 dismantling, September 1970, photographs
Folder 3 F-15 Design Team, biographical sketches and photographs
Folder 4 F-15 articles
Folder 5 United States Air Force, information on the F-15, February – November, 1969
Folder 6 F-15 contract awarded to McDonnell Douglas, December 23, 1969, statements and
articles
Folder 7 F-15 articles, 1969-1970

[Box 569]
Folder 12 F-15, promotional brochures

[Box 579]
Folder 19 F-15, advertisement order, June 18, 1969, “Happiness is the F-15”

[Box 588]
Folder 7 Fairchild Hiller and F-15, bumper stickers and correspondence
 

Orionblamblam

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This is, sadly, all that the NASM had of any real worth on the Fairchild F-15. A billion copies of the same lame "F-15 Thunder For The 70's" brochure that had nothing on the actual design, scattered throughout their files. And these few drawings. Sigh.

Anyway, you know where to get the higher rez versions...

[Removed - better copies later in topic - Admin]
 

overscan (PaulMM)

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Scott's scans of the Fairchild FX cleaned up. Great design.
 

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Pyrrhic victory

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Artist rendition of Fairchild-Republic FX from warbird information exchange. Should be a color version out there somewhere.

Source:
Cradle of Aviation Museum via Leo Polaski and Mark Nankivil

http://www.secretprojects.co.uk/forum/index.php/topic,4512.msg35741.html#msg35741
 

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Pioneer

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Pyrrhic victory said:
Artist rendition of Fairchild-Republic FX from warbird information exchange. Should be a color version out there somewhere.

Source:
Cradle of Aviation Museum via Leo Polaski and Mark Nankivil

http://www.secretprojects.co.uk/forum/index.php/topic,4512.msg35741.html#msg35741

Great find!!!

I have always loved Fairchild FX (F-15) ever since I first sore it in the book 'The Thunder Factor'.
Was the 'Thunder' the official name for the design (as portraid in this picture!)
I look forward to a colour version of this picture and I salute the man who finds it!!!


Regards
Pioneer
 

Pioneer

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God I would give the splene of my enemy to have a coloured copy of these pictures (and the specifications) of the Fairchild FX design proposal!!!

Regards
Pioneer
 

Demon Lord Razgriz

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Pioneer said:
God I would give the splene of my enemy to have a coloured copy of these pictures (and the specifications) of the Fairchild FX design proposal!!!

Regards
Pioneer

You're not the only one... I wonder if the original paintings still exist somewhere? ???
 

sferrin

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I'd have swore both of these are on this site somewhere in color.
 

Pioneer

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Hey Sferrin - would you like that spleen gift rapped or snap frozen if you are able to find it? ;D

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Pioneer
 

Pioneer

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G`day gents

Does anyone know if Fairchild-Republic built a mock-up of their FX design??
I can not say that I have read anything acknowledging this.




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Pioneer
 

overscan (PaulMM)

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Fairchild F-15

http://crgis.ndc.nasa.gov/historic/Additional_Photos_for_Unitary_and_Continuous-Flow_Hypersonic_Tunnels_4#Republic_F-15_Model
 

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mithril

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question. did Fairchild ever do art of a twin tailed version of the FX proposal Pioneer posted?
 

overscan (PaulMM)

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What appears to be a 1965 Republic Aircraft Corporation (later, Fairchild) FX study. It has no similarity to the final Fairchild FX design above except for the vertical fin, but rather shows some similarities to the AVS designs.

http://crgis.ndc.nasa.gov/historic/Additional_Photos_for_Unitary_and_Continuous-Flow_Hypersonic_Tunnels_4#Republic_FX
 

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overscan (PaulMM)

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A bunch more Fairchild F-15 wind tunnel model photos

http://crgis.ndc.nasa.gov/historic/Test_246:_Republic_F-15
 

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circle-5

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Manufacturer's proposal model of the Fairchild-Hiller (Republic) F-15, from about 1967-68. The vertical fin is taller than what appears in most drawings and illustrations: not sure which came first.

Just like the proposal documentation itself, it was customary for certain concept models to carry a caption such as "Secret" or "Classified", especially when the mission or aircraft performance could be ascertained from direct observation.
 

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flateric

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Mark Nankivil

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Fantastic - sure glad it is in good hands!

I'd be "flying" it around the house making airplane noises for a while :)

Enjoy the Day! Mark
 

circle-5

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Mark Nankivil said:
I'd be "flying" it around the house making airplane noises for a while :)

You bet! In fact, it's already shot down a MiG-29 model and a Su-27 model (note to our Russian members: no miniature pilots were injured during this air-superiority exercise).
 

Triton

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circle-5 said:
You bet! In fact, it's already shot down a MiG-29 model and a Su-27 model (note to our Russian members: no miniature pilots were injured during this air-superiority exercise).

I presume that the MiG-29 and the Su-27 belonged to a virtual rogue state or a defunct regime. ;) Thank you for sharing the photographs circle-5, it is very much appreciated.
 

Pioneer

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Wow thanks so very much for the fantastic 'Fairchild FX' desktop models Circle-5 !!!

You have made my day :)


Regards
Pioneer
 

circle-5

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Another view of the Fairchild-Hiller (Republic) F-15 proposal model. A short drive away, Grumman was developing the F-14 (which had a single fin at the time). I wonder if somebody left the door open...
 

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hesham

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flateric

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link now fixed
beware - 30 Mb file and slow server


Hesham - thanks for finding
 

circle-5

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flateric said:
link now fixed
beware - 30 Mb file and slow server

Hesham - thanks for finding

Yes, I had to wait almost 90 seconds for this report. That's just not acceptable.
 

overscan (PaulMM)

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Nice find.

I think FX- designs with number suffixes are Republic FX designs while designs with letter suffixes are FX designs by other companies. They are much rougher but correspond quite closely with FX designs from other companies.
 

overscan (PaulMM)

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Republic FX art posted in another topic by Mark Nankivil.
 

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Trident

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Reminds me irresistibly of a cross between the Su-27 (podded, widely spaced engine placement, fixed wing, front fuselage) and Tornado ADV (inlet position, wind screen, tail fin, wing moving surfaces)!
 

circle-5

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Painting of the Fairchild-Hiller (Republic) F-15 by Keith Ferris. Learning from the lessons of the F-4 in Vietnam, the Air Force wanted engines separated for survivability, and a large bubble canopy for enhanced visibility. Republic design engineers took these two requirements to the extreme.

Document courtesy Mike Machat
 

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sferrin

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circle-5 said:
Painting of the Fairchild-Hiller (Republic) F-15 by Keith Ferris. Learning from the lessons of the F-4 in Vietnam, the Air Force wanted engines separated for survivability, and a large bubble canopy for enhanced visibility. Republic design engineers took these two requirements to the extreme.

Document courtesy Mike Machat

Heh, from that angle I can see "F-105". :)
 

aim9xray

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That's what he said!
 

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overscan (PaulMM)

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Cleaned up a bit.
 

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Arjen

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Just what I was thinking.
The Canberra T.4 was used for initial qualification training, Instrument Rating Tests (IRTs) and various checks for trainee and operational pilots. A critical regime that the trainee needed to be properly trained in was “engine out” or “asymmetric” handling. The Canberra was designed in an era when engine-out flight characteristics were not as stringently specified as with modern aircraft. This resulted in single engine safety speed ( i.e. the speed at which the aircraft could be safely controlled with one engine out and one engine on full power) which was high by modern standards. For the B.2 and the T.4 there is a 45 knots gap between the single engine safety speed and the speed at which it the Canberra lifted off the ground. In contrast a Boeing 747 Jumbo Jet has a safety speed that is below its stall speed, which means it is fully controllable with 2 engines out on one side and full power on the engines on the opposite side (the worst situation) at any time that it is flying. Whereas for the Canberra after liftoff, if there were problems with one engine before the safety speed was reached, engine power on the good engine had to be reduced to keep the aircraft in control. All this was counter intuitive to Canberra novitiates, since the aircraft had lost half its power already, was close to the ground and needed to climb away. This situation usually called for ALL the power one could muster. Without a simulator to practice this regime safely in an earthbound building, the Canberra T.4 was the torture machine that the pilot learned how to save his and his QFI’s life in!
Source: http://www.bharat-rakshak.com/IAF/History/Aircraft/Canberra/Canberra02.html
 

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