Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Hi Ben,...a steel backed, Ptfe lined bearing 1/2 Shell with Upper shell unit having a 1mm diam or so "oiling" hole lined up with Matching Oil hole thru Con rod would make a good, substantial con rod big end Low drag unit...Something on style of full size auto con rod bearing mating 1/2's....Bore out Con rod so the assembled Cap slightly "pinches" 1/2 shell's "Locked" in oil hole lined up position Without any glue adhesive needed..Ptfe + Lite oil lube makes awesome Low drag bearing ! ...Similar 1 piece Steel backed Teflon (Ptfe) Lined bushing with upper oil hole stabilizes the crank "play" & makes each running session lube a breeze...Fully caged Needle Bearing with Inner Race & upper oil hole (lined up with matching oil hole in Main caps) would also make a good low drag lubricatable Crankshaft Bearing.....tom