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Jonathan Price,    Kingsport, TN,               1/2/2011

Economy engine

This is a horizontal, single cylinder engine with a 1.125 bore and 1.75 inch stroke.  The flywheels are approximately 6.5 inches in diameter.  It was first run in September and then tore apart for paint.  I completed the paint and reassembly of the engine in December 2010.  It was built from castings bought from Joe Tochtrop in California.  I built a one piece 4140 crankshaft for it and it uses an aluminum piston in a cast iron liner.  I especially like the speed control lever as the engine speed can be varied from around 325 rpms to about 600 rpms just by sliding the lever.  It is a great runner and starts easily also.  You can see it run on YouTube with the following link.


Copyright 2011,  Florida Association of Model Engineers and engine builder as noted above, All rights reserved.