Recent content by manousos

Here are the internal parts of the PatOP opposed piston, single crankshaft engine: Bore: 79.5mm Stroke: 64+64=128mm Displacement: 635cc Compression ratio: 17 Scavenging pump bore: 130mm (1.34 scavenging ratio) Total engine height: 500mm Total engine weight (without the flywheel): less than...