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Definitely a little Steam Engine. Very nice find.

Which airport is it located?

I wasn't aware of it. Hour and a half drive, I may have to show up.

I must be one of the few who use a full size machine for all of my hobby work. I have a Centroid Atrump knee mill with a Centroid control. You can switch between manual and cnc control. Also, you can do incremental movements to mill or drill and absolute movements. The programing is can be...

I have found many 4" and 5" vises listed on the bay. As mentioned before, your going to have plan on around 300 range to find a quality vise.

Hi, Tony I would suggest to you to view Welding tips and tricks on ytube. Jody has a lot of setup information for different materials and situations, covering stick, tig, and some gas welding. 1942 J3F Good Luck. Dale

This Shaper has the anti-back drag feature on it. Its called a clapper box.

Are you going to build a Nitro burning, high speed, sustained high temp over 200c engine??

Check out the German made Lohmann Diesel bike engine. It has variable compression.

Like those Denny's.

I was always amazed at what George would build. I would look for George each year at NAMES, to see what was new or in progress. Always amazing work. Very friendly and willing to run his engines for me. I felt very privileged to be able to talk to him and see the efforts of his skills, still...

Hopefully, you are sanding or ruff scuffing all of the surfaces that you want to paint. Alcohols are not always going to get all of the cutting oils out of the pores and pockets in aluminum castings. A soaking in Lacquer thinner or other strong solvents, then heating to dry is very helpful...

You may be able to judge the thread pitch this way, on low count coarse threads. Also, you are measuring a Acme thread,15 degree angle with what looks like a Vee thread gauge The gauge should fit into the grooves and match the angle perfectly. If you try to gauge a 1.25, 1.50 pitch it is...

Just get some tee bolts and save yourself some grief.

Use a torch and heat the pulley, concentrating the heat around the outside of the taper hub.

The metal reed valves used in most engines before composites where made from spring steel. Shim stock tends to fatigue and break at the flex point.

I'm a little late to this topic, Brian, have you looked at a Foos engine?

I am curious about your burner set up. Do you have a pict?

If you have the chance to use A2 or D2 give it a chance, you'll like it. It machines much nicer than O1 or W1 has a higher chrome and nickel content. As mentioned previously way less chance of warpage, no water or oil quench. Does not rust as easily because of the chrome percentage. To me, it...

Can you show some pictures? Definitely need a textured surface, just like concrete. Slick and slide. I have never seen a two bolt head unless combined with some clamping accessory. Can you add extra head bolts?