17 June 2011


1902 Arrol-Johnston Dogcart
 The Arrol-Johnston has come in for a visit prior to an event in a few weeks' time.  Ian went up to service her and discovered that the top water jacket plate had developed a number of cracks and was no longer serviceable.  
Arrol-Johnston engine with plate
clearly visible below copper tubes

This is a cast aluminium plate and, unfortunately, would not weld.  Due to the time constraints on us, Ian has fabricated a replacement from sheet aluminium by cutting and milling the individual parts prior to welding them together and final machining.

Original plate on left and outer rim
section of new plate on right

Centre section of new plate recessed
into outer section

Ian cuts small sections of aluminium

Close up cutting aluminium


Replacement plate prior to welding

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