Roger Kent Ellis

US Patent:

42405971, Dec 23, 1980

Filed:

Aug 28, 1978

Appl. No.:

5/937348

Inventors:

Roger R. Ellis - Wichita KS
W. Marvin Gertsen - Wichita KS
Norman E. Conley - Wichita KS

Assignee:

Gates Learjet Corporation - Wichita KS

International Classification:

B64C 314

US Classification:

244 35R

Abstract:

A thin, high performance swept wing of the tapered type with an improved leading edge characterized by a first portion that extends from near the wing root at a fixed radius to a transition point where twice the fixed radius does not exceed about 100. 6 percent of wing thickness at about 5 percent of the local chord at the transition point, and a second leading edge portion extending from the transition point to the wing tip that has a radius expressed in percent of local chord which does not exceed that percent of local chord at the transition point. Winglets are optionally provided in combination with the wing with improved leading edge to provide in combination, improved aircraft performance.