Friday, 8 January 2016

Filing a keyway in hard steel is not easy- I found a carbide file was the only way.
Big lump on the piston tends to mask the spark fact I am having to use on the flat surface discharge types because things are so tight the piston suffers from spark erosion

Flywheel flank is relieved at the main bearings

just bought a 50ml graduated cylinder to accurately measure the combustion chamber

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