tools, materials & knowledge for model makers
A model engine spark plug can vary in size, but 1/4” x 32 is common as it fits the same thread and rough dimensions of a model engine glow plug. I took this photo to give you an idea for just how small this 1/4” x 32 sparkplug is. A spark plug is made from a number … Read more
A Hit and Miss engine by Mick Cherry. I had the flywheels, main frame and base castings for a gas engine which I think they were from Bruce Engineering. I made these the starting point for the engine. Having then decided the bore and stroke, I just did some loose sketches of what I wanted … Read more