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Ian, there was no makers name on the engine, next time I see the guy I will try to get a photo of it. In the mean time I have taken your suggestion of the flywheel being too heavy and done a bit of a job on it. I seem to have a problem adding a video to this blog, I succeeded on MEM forum so it can ...

Thanks for that info Ian, I have commenced work on lightening the flywheel by about 50% because of what happened last night. I belong to a local club that has its main interest centred around old farm hit and miss motors and the like. A couple of members build models and some others passions for old...

Ian, I will have to dig out the drawings for the engine (it is about 4 years ago that I built it) to see if it is one of Jan's designs. The seals on the displacement cylinder are good as far as I can tell, I have 'O' rings between the cylinder and the covers. That has raised an other question about ...

Thanks guys, when I look at the flywheel it does seem a bit on the heavy side (although it is per the original plans I followed) so I will be lightening it up quite a bit, but as I mentioned earlier I am focusing on a stem boiler at the moment.
Robert

Good point Ian, I will remove some weight from the flywheel and try again. It will have to wait a little while though as I am knee deep in boiler making at the moment.
thanks for your interest Ian.
Robert

Thanks for that Ian, yes the cranks are at 90 deg. and I have tried the blue tac for balancing. I know that the two important things for a hot air motor to run are - minimum friction and minimum air leaks. Obviously these two requirements are in opposition to each other so which would be the most im...

I have built these engines a couple of years ago but not managed to get them to run. The Cup Of tea engine has a graphite power piston and is a ‘neat’ fit into the bronze cylinder. It requires the lightest push to move it down the cylinder. http://i1327.photobucket.com/albums/u667/RobertHornby/Cupof...

Hi, I am posting my introduction. I am a retired mechanical engineer and my main interests are steam engines (not locos, although I do very much like them too). I have built 3 Stirling engines, the first one worked but the second and third would not run at all and I need some help with these. I live...