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If anyone in Australia is interested in plans for the Vega V 2, i have listed on ebay Thanks...

Hi Guys, Something that has caught my eye while viewing some of the amazing work on this site is the piston wrist pin and if any special treatment is conducted to it during the construction stage. Currently i have made mine from silver steel and sanded to a fine finish using emery paper...

Hi Guys, Just a quick question regarding my upshur twin, when making the valve guides i'm making them out of bearing bronze. I just wanted to check what sort of tolerance is required between the valve and the valve guide. Do you normally make some type of small reamer to make the fit very...

Hi Guys, I'm sorry if this a very stupid question, what is the purpose of the resistor in the spark plug lead. I haven't been able to be able to find a good explanation, any help would be greatly appreciated, thanks, From Pat

Hi Guys, Here is the story of my Upshur twin so far, this is my first full construction of an engine and massive learning curve all rolled into one. I'm sure along the way as i tell the story you will be rubbing your head saying "no Pat, not that way" and then hopefully by the end of it i...

Hello, my name is Pat and have been a reader of this site for many years. Like all here i love model internal combustion engines and i have been making my first for the last two years which is the Upshur Twin from the plans published in model engine builder magazine. I have been learning...