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I made two more Loctite tests and got essentially the same results as before. One of the tests included Loctite's 7471 activator, but it...

Here the youtube link of the running engine:

Hello all, long time ago i did my last posting but i am always busy with the job and i have several other hobby ,to much. However in...

Hello all, long time ago i did my last posting but i am always busy with the job and i have several other hobby ,to much. However in...

Beautiful engine! Well done.

Here the youtube link of the running engine:

I have a vacuum attached to my drill press but my lathe is next. I use a short length of 2.50 Inch Loc-Line and nozzle on the end. Very...

I'm in the twin cities. I've been to the Rollag show a few times. It's great. I've got a mini mill and lathe, both cnc. Anybody else in...

Poly V or similar profiles are the way to go. J should work, but it is advisable to go through the engineering calculations to make...

I time my exhaust valve to seat just as the piston starts back down. Hopefully, utilizing the slight inertia of the exhaust gasses to...

I was thinking of a a rotary encoder on the main spindle, but my machine is now built and working with a few dozen transformers under...

That is a nice looking upgrade! Do you happen to know your ratios for high and low? I'm not really sure why the builders of these...

I thought a guard rail would look good so I built one. I turned the posts from 1/4" stainless using a half-round form tool. Because...

First job was to clean up the base. I ground it flat on my surface grinder. I supported it upside down on some parallels in a grinding...

That's a good thing! Really, the guys who do this with small projects are NOT going to get rich. They are contributing to the hobby, and...