Longboy

Thanks Dan I put rubber feet on the bottom of the base board. Couple of pictures with the engine mounted on the base. Ignition will...

I answered an add on Craigslist for something and the seller was in his ninety's and a model engine builder. I own a prototype machine...

Stirling engine....yer not making models outta dining utensils.

You should test fit your piston after the boring. If it slides and turns uniformly in the bore full stroke....leave it at that.

Have you considered the cylinder liner material that has no need for honing, lapping or boring? There for no tooling for these...

The length of the cylinder is like two inches long. You are having an inordinate concern for a tapered bore here and your gauge readings...