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The vector ruling protractor (1924)

NASA Technical Reports Server (NTRS) · leaf 2

An illustration from The vector ruling protractor, 1924, leaf 2
2 - … Fig*l, Scheme for drawing line of R when given L,D,M, the lift, drag and pitching moment for incidence a. Obviously OP = m/L; p = tan-^ L/D, ment M about the pivot 0, be known. Then a line through 0,. parallel to the wind, cuts the line of the res^altant air force R, at a distance OP = M/L. The…

NASA Technical Reports Server (NTRS)

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