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At a old hydraulic mining site there is a old 1880s steam engine.
It is single cylinder (about 15 inch) with the high pressure piston pump driven on the same piston rod.
The single throw crank has a fly wheel of about 16 ft in dia.
The interesting thing is the fly wheel is two piece and the two halfs are double dove tailed together perfectly.
This was done so the engine could be handled and transported.
To this day that fly wheel runs perfectly true.
The machining of the large castings is perfect.
The engine was made in Melbourne.
The engine was last used in the 1930s depression as a diesel was too expensive to buy.
Originally Posted by Offender90
Jeff
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