Aeronautics and astronautics – Aircraft structure – Details
Patent
1991-11-04
1993-05-25
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
Details
244198, 244215, 244199, 244 91, B64C 316, B64C 2300
Patent
active
052132870
ABSTRACT:
A modification kit for the DeHavilland DH-2 Beaver and the DH-3 Otter aircraft. A replacement leading edge is provided for the wing together with replacement droop wing tips and a wing fence. A flap gap seal is provided to close the gap between the trailing edge of the wing and the leading edge of the flaps when the flaps are extended. The addition of these modifications modifies the performing characteristics of the airplane in an enhanced manner, particularly during take off and landing.
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Hicks et al., "Effects of Forward Contour Modif. on the Aerody. Charac. of NACA 64.sub.1 -212 Airfoil Section", NASA TM X-3293, Sep. 1975.
Abstract from NASA research publication entitled "Wind Tunnel Results of the Low-Speed NLF (Natural Flow Control) (1)-0414F Airfoil", Dec. 1987.
Barefoot Galen
Russell Uren John
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