Model 493
Role Cargo transport
National origin United States
Manufacturer Boeing
First flight Never built
Status Cancelled
Number built None

The Boeing Model 493 was a proposed, large, turboprop-driven transport aircraft envisaged in the early 1950s by the United States aircraft manufacturer Boeing for use by the USAF.

Design and development

The Model 493-3-2 was similar to the baseline C-97 Stratofreighter but differed in having a gull-wing and increased wingspan, but also turboprop engines. The wingspan measured 165 feet from tip to tip, and the fuselage diameter was increased to 214 inches to accommodate a second deck as on the Douglas C-124 Globemaster II.[1][2][3]

Although a promising design, the Model 493 never left the drawboard because of the USAF's announcement of the XC-Heavy competition based on the concept of pod-equipped airlifter.[1]

The Model 493-3-2 is known in some sources as the C-127, but Air Force records show that the C-127 designator was allocated to the Douglas C-124B.[1][3]

See also

References

  1. 1 2 3 Cox, George, and Kaston, Craig, 2019. American Secret Projects 2: Airlifters 1941-1961. Manchester: Crecy Publishing.
  2. ↑ Holder and Vadnais, 2004. The "C" Planes: U.S. Cargo Aircraft from 1925 to the Present. Atglen, PA: Schiffer Publishing.
  3. 1 2 Johnson, E.R.; Jones, Lloyd S. (2013). American military transport aircraft since 1925. McFarland & Company, Inc.
  • James C. Fahey (1978). USAF Aircraft 1947-1956. Air Force Museum Foundation.
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