Jasonb

George Britnel redrew 3 of the 4 sizes of the Galloway, much better drawings and errors corrected but I don't think he did the 1/4 scale...

See my reply to your question on Model Engineer Forum

Ah that is the smaller VJ (vertical jack)Monitor that you have there not the larger one in this thread and that I built. Luckily I also...

Posting that made me remember this video, with the flame lickers and sterling engines you need minimal friction, this is how long the...

You could save a lot of work if youi had an atmospheric inlet, only one set of gears needed and you would have room to put a rocker post...

Brian, can you post the dimensions of that revised cam and also say what OD the bearing follower is. I don't know what software you...

Thanks for the replies. It is interesting to see how many use Code or the Wizards which I use neither of. Though I suppose it depends on...

Brian, I would have expected the opposite, I've suggested timing that will close the valve for longer so as your beam needs to be pushed...

During the initial part of the intake when the valve opens, the initial, colder, remnants of the previous stroke may still be slightly...

It was a reply to Steamchicks previous post. Problem with adding a pressure pad is it just creates more friction for the weak engine...

Or you read my early post ;) https://www.homemodelenginemachinist.com/threads/my-next-build-a-cross-beam-vacuum-engine.35408/#post-399870

As Timo says your lathe photo setup allows the boring head swing to be increased outside of the cut, with a profile that does not exit...

Problem is that only works if the scallop goes through to one side and is why you need an extra axis of movement. Had the work been...

The popping engines shutter moves away from the port rather than slides across it as you have on the beam engine so is unlikely to be...

Lee Artisan Foundry do the Sodium Silicate, CO2 to set it off https://www.artisanfoundry.co.uk/product_info.php?products_id=89