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Flight Investigation of Wing-gun Fairings on a Fighter Type Airplane by Nissen, J. M. is a nonfiction available to read on EtoBox.

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Flight tests were conducted on a Navy fighter airplane to determine methods for fairing the wing-gun installation so as to retain the maximum lift of the clean wing insofar as possible. The unfaired-gun installation increased the stalling speed over that of the clean wing by approximately 5 knots with flaps down, power off and by approximately 3 knots with flaps down, power on. Two arrangements of fairings were developed that restored the lift of the wing. Once arrangement consisted of engine cowl-type fairings for both projecting and submerged guns. This arrangement provided an annular opening between the gun barrel and the fairing lip for cooling the guns. The flush arrangement consisted of the engine cowl-type fairings for the projecting guns and faired wing openings for the submerged guns. Successful operation of this latter type of fairing, however, required that no air be admitted around the submerged guns. All arrangements of fairings as well as the unfaired guns improved the stalling characteristics of the airplane as compared with the clean-wing condition. It also appeared that the gun-fairing arrangements eliminated the ground-looping tendencies of the airplane that were

Who reads Flight Investigation of Wing-gun Fairings on a Fighter Type Airplane?

Author

Nissen, J. M.

Publisher

Langley Memorial Aeronautical Laboratory, 1941.

Published

1941

Language

EN

Category

nonfiction