New dynamo housing

This is the first new dynamo housing to be fitted since the 1920s. Nobody has ever managed to cast one since then. It took eighteen months to get the patterns and the casting process right, but they finally figured out how to do it. The first picture shows it clamped to the sump and crankcase after machining it to fit.

 

then drilling the first datum hole through from the sump

then after a certain amount of paper pattern making, then aluminium pattern making, then marking and drilling and measuring and checking and double checking and programming coordinates and centering....