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Merkur Standard

c 2010?

A small engine with typical German styling, but made in the Czech Republic.

The horizontal boiler is fired by solid fuel tablets. It is 52mm diam x 130mm long. It has a sight glass at one end, a safety valve and whistle on the top. There is a dummy chimney mounted on the firebox.

Steam feed is from the bottom of the boiler but without superheating. Steam is fed directly to the steam chest, with no lubrication or regulation. The cylinder is double acting with a slip-eccentric piston valve. It is approx 8mm bore x 15mm stroke. The crankshaft has a 67mm alloy spoked flywheel and a 17.5mm pulley on the far end.

As received, it was in cosmetically good condition. However, the safety valve was seized and there appears to be traces of de-zincification on the boiler end. I have freed the safety valve. Testing on steam reveals that the whistle valve leaks badly - to such an extent that it whistles better with the valve closed than open!

Make Merkur
Model Standard
Made c 2010?
Description Stationary
Cylinders 1
Cylinder Type Double acting (reversible)
Piston Diam mm 8
Stroke mm 15
Valve Type Piston with slip eccentric
Boiler Type Horizontal
Boiler Diam mm 52
Boiler length/height mm 130
Fuel Tablets
Mechanical Condition Good
Cosmetic Condition Good
Paintwork Original
Packaging Cardboard box
Purchased 25 Nov 2017
Purchase cost 110
Additional spend