I am considering building a Hit and Miss engine of my own design. A few starting questions: What is a good Bore to Stroke Ratio? What is a good Connecting rod to Stroke Ratio? I would be using 5.5" Flywheel diameter.
John, I do not have a check valve in the fuel line. I do see the fuel level drop slightly in the tube between hits. I am very new at the hobby but it appears to me the fuel level in the line is controlled by the fuel tank height in relation to the air inlet. The plan says the fuel level...
I just got my new Odds and Ends engine to run. Still need to do some tweaking to timing and setting governor springs. I use a set of points from NAPA. This is only the second from scratch engine I have built. I have only had my LMS Mill and Lathe for a little over a year. Most of the...
I also purchased a Grizzly 6 in rotary table. The quality is bad at best. I had to take it apart clean it, lube it, and try to adjust it. It got slightly better.
I am very new to engine building. I just finished an Upsur vertical pump engine ( my first IC engine), I have been trying to get it to run to no avail. It will start and run for about 20 seconds and die. I tried it on both gas and Coleman fuel no change. I tried using vapor carb and a fuel...