USAAF Heavy Cargo and Troop Transport competition

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nugo

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Hi All!

In early 1946, USAAF issued a preliminary specification for a 50,000 pounds payload Heavy Cargo and Troop carrier type aircraft.

My opinion these manufacturers were participating of this competition:

Fairchild Model 99
Lockheed Model L-168
Martin Model 240 (?)
(?) Boeing Model 45? or 46? or 367-?
(?) Convair Model ?
(?) Douglas Model 10??

What can we say about this?
 
Yes Nugo,

and here is the Lockheed L-168 and Fairchild M-99.

http://www.google.com/patents?id=vElwAAAAEBAJ&pg=PA2&dq=fairchild+transport+aircraft&source=gbs_selected_pages&cad=2#v=onepage&q&f=false
 

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As far as I know, this competition did not result in an actual order with a 'C=Transport' designation, but I am open to suggestions.
 
The Lockheed design resembles the Lockheed Constitution, a naval cargo aircraft. The only difference is the aircraft has an aft ramp. IIRC, the Constitution was an underpowered dog.
 
Yeah, the dimensions are the same, and the drawing seems to show the double bubble fuselage. The Navy had two (R6V) and hated them. The USN got sick of feeding them, and tried to unload them to any airline willing to take them. They couldn't even give them away.
 
nugo said:
Hi All!

In early 1946, USAAF issued a preliminary specification for a 50,000 pounds payload Heavy Cargo and Troop carrier type aircraft.

My opinion these manufacturers were participating of this competition:

Fairchild Model 99
Lockheed Model L-168
Martin Model 240 (?)
(?) Boeing Model 45? or 46? or 367-?
(?) Convair Model ?
(?) Douglas Model 10??

What can we say about this?
Click to expand...
Convair's response to this specification was called the 'Advanced C-99', and there was a proposed jet-powered version of the 'Advanced C-99', the Model 6. Boeing proposed several Model 367 designs with the wing of the cancelled B-54, the Model 367-7-21, the 367-8-23, the 367-13-23, and the 367-14-25. It also proposed an all-new cargo-troop transport, the Model 470, which had a wingspan of 229 feet and a length of 128 feet. Douglas responded with the Model 1036, Model 1040, and Model 1105 transport designs

Source:
Cox, G., and Kaston, C., 2019. American Secret Projects: US Airlifters 1941-1961 (Crecy Publishing)
 

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