Dec 282017
Lockheed Model L-200 Convoy Fighter: The Original Proposal and Early Development of the XFV-1 Salmon – Part 2

The second part of a two volume work examining the Lockheed Model L-200 Convoy Fighter of 1950, which led to the XFV-1 Salmon turboprop tailsitter naval aircraft. It was one of five submissions to the US Navy’s Convoy Fighter competition, which called for a high performance turboprop VTOL fighter to protect convoy vessels from attack […]

Feb 282012
Proposal for Improved Bell XP-77 (1944)

The gallery above reproduces “The XP-77 Airplane,” a report by Bell Aircraft Corporation dating from around June 1944 found in US Army Air Force (USAAF) files held in National Archives II in College Park, Maryland. The report is both a review of the development work done on the Bell XP-77 wooden light weight fighter and […]

Feb 152012
Early Lockheed XF-90 Concepts — the L-153, L-167 and L-169 Studies

The Lockheed XF-90 was built in response to a 1945 Air Force requirement for a long range penetration fighter and bomber escort. It was an attractive aircraft heavily influenced by the company’s experience with the P-80, sharing a similar intake and low wing configuration. However, it was designed to operate at higher speeds, with a […]

Jul 262011
Boeing B-54A Mock-up Inspection (1948)

The Boeing B-54A was the planned production version of the YB-50C and the final development of the B-29 Superfortress. It was powered by improved R-4360 Variable Discharge Turbine (VDT) radial engines. Wing span was increased by approximately 20 feet, necessitating additional outrigger landing gear in the outer engine nacelles. The larger wing imposed heavier loads […]

Jul 152011
Bell VTOL Aircraft Projects of October 1955

The document featured in the image gallery above was submitted by Bell Aircraft Corporation to the Navy Bureau of Aeronautics (BuAer) in 1955 in connection with the company’s efforts to land a contract for a VTOL fighter, which it ultimately did with its D188/D188A designs of late 1956. Titled simply as “VTOL: Vertical Take Off […]