I used pillow blocks for the main bearings to get rid of the end thrust problem. The excentric straps are made of brass stock. The cylinder is mounted on four steel columns of one inch diameter. The flywheel is turned off a cast iron dumbell from a weight lifting outfit. I did not try to reduce the weight of the engine in the hope to reduce vibrations due to the increased mass.
Hot gases pass through the coils and to an annular space around the tank to the chimney.
The boiler is wood-fired. The technical section is now enhanced and augmented. Click here for technical data. Dismantled engine-driven feed water pump. Dismantled oil injection pump.