4156df's channel

The tractor is running on steam. It's 3/4" scale and is loosely based on the J.I. Case steam engines. Overall length is 16" and it's 9" high to t...

Burner test using alcohol fuel and various wicking materials.

Burner test using alcohol fuel and vermiculite fill with a brass screen cover.

The engine can best be described as an electromagnetic rocker. It is loosely based on early (circa 1860) models of devices developed during the tr...

This is a model of a two cylinder vertical marine engine with a 7/16" stroke and 9/16" bore. It's made entirely bar stock using free plans availab...

This is an Oscar Model 1 vintage aquarium pump. The pump was manufactured by THE OSCAR CO. of Berkeley, CA. The piston is 1" in diameter and has ...

This is a restored two cylinder "Windsor Piston Aquarium Pump". According to information on the box label, this is a "Model 1" Cylinder Double Pi...

This is a Marco twin cylinder aquarium pump driven by an integral shaded pole motor. The pump uses "wobbler" type cylinders and valves similar to ...

The engine is running on about 20 psi air. It's built from bar stock using plans published by Edelstaal, the makers of the Unimat lathe. This eng...