I have not seen a true working steam tracking locomotive in HO scale. This one is in progress!

Super nice triple expansion marine vertical engine!

I loved this beautiful steam farm tractor. The builder is seated behind it.

Water wheel powered machine shop. I had seen many such shopes, but never one powered with real water.

I have seen V-4 marine engines; Here is a V-8 oscillating cylinder engine!

Absolutely outstanding radial engine.

Each one of those cylinders were machined out of a single solid block of 6061 aluminum!

Shown here is some of the tooling that the builder used to produce this fabulous engine! Cylinders in different states of completion are shown.