The senior was hard-working again, his 1 cyl. Opposed piston engine according to plans from an Model Engineer Magazine, with various changes. One of the chages was an improves carburretor and an optimized position of the spark plug for a better starting behavior and smooth running. The flywheel runs anout 900 rpm, i.e. the crankshafts run correspondingly at approx. 1800 rpm.
The engine runs on gasoline and the start is done by rope.