It started at the first twirl of the handle, much to the surprise of the individual holding the handle at the time. Less good was the water leak which became apparent from the cylinder block – it seems time had rather taken a dislike to the water jacket.
Firstly, there are no oil control (aka Scraper) piston rings – the holes in the piston skirt seem to fulfill that function.
Your author has seen a lot of IC engine pistons in his time – in some cases in rather small pieces – but these features were all new to him.
