Kite mechanism 2b

A modification of Peaucellier linkage proposed in 1877 by A. B. Kempe, London. Length of blue bar: a Length of blue bar of 3 joints: Length of yellow bars: Length of orange bars: Axle distance between the two fixed revolution joints The grey disk is fixed to the upper yellow bar. On this disk all points laid on small circle of diameter a (in pink) move along straight lines that are diameters of a big circle of 2a diameter (in cyan). The small circle rolls without slide in the