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CHUK was originally designed as a kit of castings to be sold alongside the various machine tools marketed by Chester UK, now Chester machine tools. I worked for them for several years as head of the engineering department.My inspiration came from a deal with a friend who twisted my arm for a recently completed A&T engine, cash and an Ernst Planck vacuum engine came my way. The Planck was a non runner initially, it would draw in the flame, partially rotate then stall. Upon closer examination I discovered that the taper pin that located the crank web onto the shaft had sheared internally so that when the vacuum occurred the valve timing would alter to stall the engine. Within a few minutes the broken pin was removed and replaced, I had a runner.The Planck is a lovely piece of engineering lots of parts pressed together, my job was to simplify its composition to ease construction.I decided upon a simple " A " frame to support the cylinder, probably helped by my recent IF Allman build, I cut down a pattern to suit. CHUK 1 was born.Cheers Graham.
My hand drawn sketches ARE, quite literally, the drawings.
Nice project, but how did you ever get them by Sirius?
I think this will be fun to watch in more than one way.
Yes, I'm a wimp Jo