This Paper presents a few examples of Descriptive Geometry applied to the Undercarriage design:(1) Retraction mechanism geometry.(2) A method of checking clearances between moving undercarriage parts and the surrounding structure.(3) The control by an undercarriage leg, or any other swinging member, of another swinging member, when their axes of rotation are in different planes in space.
Bialkowski, L.S. (1954), "A Descriptive Geometry Solution of Some Undercarriage Problems: A Treatment of Three Important Cases", Aircraft Engineering and Aerospace Technology, Vol. 26 No. 11, pp. 390-392. https://doi.org/10.1108/eb032493
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