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Photograph of second XF-11 prototype plane on the runway, April 4, 1947

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Digital ID
Photograph of second XF-11 prototype plane on the runway, April 4, 1947
The second Hughes XF-11 prototype on a runway prior to a test flight in 1947.
Image Number: 0321 0258
Original Collection
Graphic Elements (TGM)
DC Type
Genre (TGM)
Is Part Of,6
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University of Nevada, Las Vegas Libraries
Digital Collection
Conversion Specifications
This file is derived from a high-resolution (300 dpi, 24-bit) uncompressed TIFF image that was scanned from the original using an AGFA Duoscan T 1200 scanner with AGFA FotoLook 32 V3.60.0 scanning software, default color configuration. The TIFF files were converted into the JPEG2000 format.
Master File Creation Date
Master File Extent
23,900,000 bytes
Master File Format
Master File Quality
24 bit color; 8 bit gray-scale; 300 ppi


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Gary Scott2010-09-08 @ 11:55 AM
Curious about power plants. Maybe R-4360, 28-cylinder "corncobs." Toward the end of the war they were getting considerable use, though not wonderfully reliable. The F-11's nacelles appear to be long enough to accommodate the 4360, which comprised four rows of seven-cylinder radial pistons. Notable later use was in the B-36 and of course the Spruce Goose, and I think the B-50 as well. Some writers seem to think that the B-29 had 4360's, but I believe all of the service-use B-29's had 3350's, a mere 18 cylinders each. (PS I have logged over a thousand hours behind 3350's, but have never piloted a 4360.