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Hi Ian, I machined an aluminium plug for the cold end of the displacer like you said, and I procured a hollow bronze shaft that I need to glue to the plug and the displacer now. I'm planning to use Loctite, except that when I call the Loctite supplier he asks me for a number. The Loctite website has...

Thanks a lot Ian, now it makes complete sense. And this seems easier than having a piston pin going through the sides of the piston. Thanks!

Also, how important is that leather cup seal?

Hi Ian, I think the reason I'm not able to understand what you're saying is because in my head I'm only picturing a hollow piston with a piston pin and a connecting rod like in gasoline engines. So I don't know what you mean by 'fork with a thread', or 'drill and tap the crown'. I guess a picture wo...

Sorry Ian, I might be a noob but I could not understand what you meant. Do you have example pictures that I can see to understand what you mean? Currently I have a solid cast iron cyilnder of 30mm dia and 50mm length. I intend to make a piston with 25mm bore, 30mm long. I have flat SS bars that I pl...

Thanks Ian, that makes a lot of sense. I wouldn't have thought to use hollow shaft. I'm doing just that now.

Could you also give me suggestions on how to connect the cast iron piston to the connecting rod?

Sorry, SUS is Stainless Use Steel, no different from stainless steel. The supplier told me SUS so I thought it might be a commonly used term. Yes I'm going to machine it down to 0.5mm thickness, or even less if possible. The only thing I'm scared about is that the welding person in my school lab may...

Thanks. I was not able to find stainless plate. But I did manage to get a 1m long SUS tube of inner diameter 28.7mm and outer diameter 31.7mm. I'm going for a bore of 30mm, so I can machine it inside then outside like Ian SC said. But my lab technician says that the lowest he can machine it down to ...

Hi, I'm attempting to fabricate a Gamma type Stirling Engine with a stainless steel displacer and a cast iron power piston, and I needed a bit of help. I noticed in some of the posts here that the displacer should be thin SS with a wall thickness of .25mm or less (some posts said .007" to 01&qu...

Hi, I'm new to stirling engines and I attempted to build a tin can stirling engine as well, based on the SFA stirling engine project design. But it isn't working and I don't know why. Any help would be greatly appreciated. Here's a link to a video of my engine - http://www.youtube.com/watch?v=LSZcGg...