Download or read book Some Theoretical Characteristics of Trapezoidal Wings in Supersonic Flow and a Comparison of Several Wing-flap Combinations written by Robert O. Piland and published by . This book was released on 1951 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theoretical lift and pitching moment due to angle of attack and pitching and the lateral force and yawing moment due to rolling of a trapezoidal wing are derived. The equations are applicable when the inboard Mach line from a leading-edge tip intersects the trailing edge and the outboard Mach line lies ahead of the side edge. When the side edges are raked in, the former condition is sufficient. A comparison based on theoretical expressions of the lift and rolling effectiveness for half-delta tip (point forward) and trailing-edge flaps on various plan forms is made.