VARIOUS methods have been devised for dealing with the effects of the articulated rod in aero‐engines. In an article by E. J. Fearn, published in the Journal of the Royal Aeronautical Society, 1927, a method is given which involves the representation of the piston displacement as a Fourier series. This can be twice differentiated to give the acceleration. Later in the same journal a graphical method is quoted by W. S. Farren. In the 1928 volume Fearn derives a somewhat involved series for the inertia torque on the crankshaft due to the reciprocating mass.
Evans, W.J. and Butcher, E.M. (1935), "The Articulated Connecting Rod: Practical Methods of Dealing with the Mechanics of the System in Aero‐Engines", Aircraft Engineering and Aerospace Technology, Vol. 7 No. 10, pp. 254-256. https://doi.org/10.1108/eb029976
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