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Wellington wrote:Looks good. One easy and cheap way to cast small parts is to use the delft clay casting system:
https://www.youtube.com/watch?v=gz6zZjieuhc
Wellington

Oooo I like this! I'll have to try it!

That's why you make your connecting rods adjustable from the start ;)

Holy Cow Ian!! I love your engine! I'll send you a PM so I don't derail this thread.

Hello all! Hello Triangle! Sorry it's been soo long, I haven't played with this engine since my last post, I bought a YJ jeep wrangler and those projects took most of my winter to complete. Here is my most recent work on the Stirling. Designed this and made it on my newest CNC machine. It will be a ...

To be continued this winter :)
Will post more once I complete the second cylinder.

Triangle, it was the Styrofoam from the dollar store that comes in sheets 1/4inch thick with paper glued to each side. I just peeled the paper off and cut them out with a box knife, stuck them together with spray adhesive and cleaned it up a bit on a sanding wheel. power piston is 2 part epoxy mixed...

***New photos added to original post*** @triangle.Stirling My furnace is already starting to crack here and there :( I have seen your electric furnace on some of your you-tube videos, I'm jealous :D How much did you end up buying it for? Thank you for the flywheel compliments! I did work really hard...

Here's an update on the progress I made over the week.. https://www.youtube.com/watch?v=6mKWvn00njU Shorted the stroke on the displacer piston (followed advise above) Made new brass linkage, plumbing silver solder is working well! Experimented with several different displacers, tried to see if oasis...

Thanks for the compliment Triangle.Stirling! Yes that is a small slightly beefed up version of the charcoal DIY forge I built following a tutorial from the"King of Random" on YouTube, but mine uses propane :D The knock in my engine, I like it :) Your right! it's the displacer hitting the b...

thanks for the tips Ian SC!

Here is today's progress, half way there! Hope you guys like :)

https://www.youtube.com/watch?v=eYSXhhPnEPE

great idea on the shock absorbers! Mine are about due for replacements on my 2002 gti. As long as I don't have a core charge I'll hold on to em :)

Looks like no one sells brass in Kitsap county, I'm stuck with what I can buy at the hardware store plumbing section or online. Do you feel like your suggestion (brass piston and cast iron cylinder wall) is comparable to a graphite piston with a glass cylinder wall? Would I lube it with a light oil?...

Thank you for the feed back Ian S C, That's a good idea, I would like to do something different with my power piston and add a cylinder sleeve. I'm thinking I can use the existing copper tube as a place holder for a replaceable piston sleeve. I'll give the welding shop a call today and see if they h...

From start to finish.. (build currently still in progress) Casting the Flywheel Aluminum ingots made from soda cans http://i781.photobucket.com/albums/yy92/manvstaco/20150811_222732_zpshjruxc4o.jpg Flywheel made from foam http://i781.photobucket.com/albums/yy92/manvstaco/20150815_180605_zps3n3zncyk....

Hi everyone, my name is Blythe and I live a ferry ride from Seattle. I am new to this forum and figured I would introduce myself. I built my first Stirling about 5 years ago, and love to tinker in my shop every night to see what I can build. I have made around 12 stirlings so far, and am currently b...