Liney Steam Engines

This is the HALO five cylinder radial. Liney has been developing it as time allowed over the last three years. The intent was to make an external combustion (steam/compressed air) design that mimicked the operation of real radial aircraft engines as close as possible. It has cams on the crank which operate the pushrods and in turn the rocker arms and the very unique ball bearing valves. It has five 3/8th inch pistons linked to the single crank via a master rod and connecting rods just as would be expected in a full size radial. Best of all, the design allows you to see nearly every moving part while the engine is running. Even the cams and pushrod end bearings can be seen. Unlike a normal four stroke radial, every piston "fires" every revolution. Five power strokes per revolution! This engine is completed and ready to run.

Some dimensions:
.375 pistons with .375 stroke (square engine)
The engine is just under 5 inches overall OD
The cylinders are .75 inches OD
The crankcase is 1.65 OD
The Drive shaft is 1/4"



Click on picture for large view.

Steam Engine with oscillatory rotating valve and twin, single-action cylinders. Kit form of RV-1 requires machining.

Four cylinder opposed engine with gear driven valves and timing. Kit form of RV-2 requires machining.

This is a newer design that we are very excited about. It is nicknamed The Windmill and is an exceptionally beautiful and unique engine. Every part is made from solid brass or aluminum and finished with either a high polish, bead blasted, or jeweled surface. The base is solid walnut with a varathane coating. The engine uses five 1/4" single acting pistons with 1/2" strokes. The "wobble" style valving means that every cylinder is in a constant oscillating motion while running. This means lots of external motion and makes the engine very fascinating to watch. The main shaft runs in ball bearings. Turning the heavy brass flywheel by hand feels solid, and very smooth. This design is completely self starting and only 5 psi of pressure is required. In fact, it can run a few turns just blowing into the intake. The diameter around the outside of the five cylinders is four inches. The intake is a 1/8 O.D. brass pipe. If you would like a particular custom or standard fitting or even a displacement lubricator attached, please email for a quote.

Five cyclinder Engine in Kit form needs machined.

Click on picture for large view.

This is the HALO five cylinder radial. Liney has been developing it as time allowed over the last three years. The intent was to make an external combustion (steam/compressed air) design that mimicked the operation of real radial aircraft engines as close as possible. It has cams on the crank which operate the pushrods and in turn the rocker arms and the very unique ball bearing valves. It has five 3/8th inch pistons linked to the single crank via a master rod and connecting rods just as would be expected in a full size radial. Best of all, the design allows you to see nearly every moving part while the engine is running. Even the cams and pushrod end bearings can be seen. Unlike a normal four stroke radial, every piston "fires" every revolution. Five power strokes per revolution! This engine is completed and ready to run.

Some dimensions:
.375 pistons with .375 stroke (square engine)
The engine is just under 5 inches overall OD
The cylinders are .75 inches OD
The crankcase is 1.65 OD
The Drive shaft is 1/4"

This is the HALO five cylinder radial. Liney has been developing it as time allowed over the last three years. The intent was to make an external combustion (steam/compressed air) design that mimicked the operation of real radial aircraft engines as close as possible. It has cams on the crank which operate the pushrods and in turn the rocker arms and the very unique ball bearing valves. It has five 3/8th inch pistons linked to the single crank via a master rod and connecting rods just as would be expected in a full size radial. Best of all, the design allows you to see nearly every moving part while the engine is running. Even the cams and pushrod end bearings can be seen. Unlike a normal four stroke radial, every piston "fires" every revolution. Five power strokes per revolution! Includes all the materials and drawings for a machinist to machine and build.

Some dimensions:
.375 pistons with .375 stroke (square engine)
The engine is just under 5 inches overall OD
The cylinders are .75 inches OD
The crankcase is 1.65 OD
The Drive shaft is 1/4"

Click on picture for large view.