تماشای ویدئو Home Made Steam Engine from Steel Tube and Scrap از آی-ویدئو
Made this from scrap parts and seamless steel tubing, it is an inside steam valve. The 3 inch piston has two 1/16 thick piston rings from a Briggs and Stratton motor installed in a 1/8 inch groove with the ends staggered 180 degrees.