A scratch-built twin cylinder mill engine, gunmetal cylinders with slide valves actuated by eccentric, balanced crank, the whole thing mounted on a brass bed plate, itself on a wooden base. Fit and finish is excellent throughout, it runs absolutely beautifully on air, down to a slow tickover.
length/inches | 18 |
width/inches | 12 |
height/inches | 9 |
bore x stroke/inches | 1 (est) x 1 3/4 |