Many years ago, I was with a friend at his parent’s house. It was a couple of years after his father had passed away, and he decided to show me his late Dad’s shed. It was in that shed that I first laid eyes on a McDonald vaporising cup engine. 

At the time, I was quite puzzled, having never seen or heard of ‘Brons’ or ‘Hvid’ type engines, and didn’t know what I was looking at. Furthermore, I couldn’t see how it would work. That was where my interest in McDonald engines was ignited. 

Since then, I have looked into McDonald engines and various other ‘Brons’ s