Oh dear, does this mean that I am going to have to dig out the two pistons from my BMW Isetta?
It was a single cylinder engine but there two 'events'.
One is a piston with a cracked skirt and part of the con rod still attached.
The other is the, more normal, piston with a valve head embedded in the top.
I'm sure I have them somewhere, I cannot possibly have thrown them away - unless someone else did....
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The Mad Landsman
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