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OK thank you I don’t know how I missed that I always assumed it was broken

I am preparing for a state competition where we have to take our own table top mill And the only one we have is a Inteltech super pro light 1000 which dates back to the 90s and can’t find anything beyond the user manual trying to figure out how to set spindle speed using G code but does not seem...

Thanks guys this was really helpful I did manage to get some brass

Oh I didn’t realize there was one I just found this form last night

Something like I don’t have the design on me that I made in fusion 360

I’m doing a basic alpha configuration with two independent cylindersConnected with some kind of tube I’m not dealing with a displacer inside of a piston

I was thinking about inch and a half bore with a 3 inch stroke

Yes I mean 10 Thousandths of an inch Piston to cylinder For instance I know a 350 Chevy small block the uses 30 thousandths But also uses cast-iron piston rings

Do you know a good fit like .010 inch or maybe tighter?

I’m using what’s on hand I have mild steel and aluminum and I could maybe get brass or copper

Well I didn't really think about expansion I could harden some mild steel As for sealing it I’m concerned that my pistons and cylinders won’t necessarily be perfect I’ll be boring and turning them on a CNC lathe so I was hoping to just give it a little more wiggle room using minimal contact...

I am a Percision machining student designing a sterling engine for my senior project I have a rough design right out with A inch and a half bore And three and stroke plan to make the whole thing out of aluminum any advice would be helpful ie. Using O rings to seal it, Cylinder wall clearance, or...

Hello I am currently a senior in a machining program at my local trade school Making Sterling engine for a senior project I originally came to this post looking for the best way to seal my engine using O rings but any advice would be helpful