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Thanks Jason.

Thank you all for replying, every day is a school day !

The engine is coming along fine , thanks for all your help. Being new to steam engines , I was wondering what the relevance was of the shape of the ports.I can replicate the shape of the port on the drawings , but it's a lot of work as apposed to say a parallel slot. I will no doubt copy the...

Thanks for all your help.I can feel a green twin coming on if my first one works.👍

Well on my way into this now, I've got to finish the piston off , however, I see there is a counterbore 0.2" deep x .246 dia.(size d drill).surely this must be clearance on. 250" for the connecting rod to go in and protrude through the piston for the nut to go on. Am I on the right track or...

Thank you , every day I learn something new.👍

Thanks Richard, I think steamchick has explained it superbly.

Many thanks 👍

Thanks for the info, just one question, when you say steam oil , do steam engines have an oil mixed to steam ?, or does the steam just pick up oil that is lubricating.

Hi All, I'm part way through this little engine and would like some advice. I am new to steam engines and on completion,I would like to run it off a small compressor. I see the gland nut on the cylinder has a .257" clearance dia on a .250 con rod . Would I need to put some kind of gasket in...

Thanks Jason , some good methods there.

Thanks for that , the rings are the only thing I could see that was not straight forward. I'm going to machine the base out of solid 2 1/2 ×2 1/2, rather than solder the other bearing carrier. Might take a bit of time but that's the only thing I've got which is free !

👍

That's what I was after, information about the actual piston ring manufacture. The ring has the width , which is fine, the bottom of the slot dia is .996" . So when turning the rings what size bore and o/d do you work to , do you for instance make them oversize to allow for the slot gap ? Do you...

Thanks Pat

Hi all, I've just joined this group and would like to introduce my self. Brief working history, Time served toolmaker , worked in a sub contract shop for 17yrs , machining cutting tools for the oil industry, press tools , jigs and fixtures before finishing my career at the biggest aero...

I like this engine, I have however, a question.The piston ring has a width but no other dimensions, unless I've overlooked it.what have other people done about this part.?