3D printed alpha Stirling engine #2

I made a nice stirling engine from here

I have to add, it need 4 ball bearings 692ZZ (2mmx6mmx3mm) and 2 683ZZ (3mmx7mmx3mm) .Photos show only 2 692 and 2 683.

Assembly is very easy and does not has any difficulty

stirling engine

IMG_4044

Maybe with more heat , it run a little faster .What???? You don’t think so?

check below

 

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