I remember seeing ads for them after interval in drive-in movies back in those days, Ty. They were a transparently stupid idea at the time - Briggs and Stratton engines came with air vane governors since WW2, so the patent had run out by then and there was no reason Victa couldn't have had a sensible governor at much lower cost. Kind of a preview of the ludicrousness of the carburetor they later adopted.
