Benz Bz.II

Bz.II
Type 6-cyl. water-cooled in-line piston engine
National origin Germany
Manufacturer Benz & Cie
First run 1913

The Benz Bz.II (manufacturer's designation Benz Type FD) was a six-cylinder, water-cooled, inline engine developed in Germany for use in aircraft in 1913. With a displacement of 10.15 L (619.4 cu in) it developed about 75–82 kW (100–110 hp). It had cast-iron cylinders with sheet metal cooling jackets welded to them. The two overhead valves per cylinder were operated via pushrods and rocker arms by a single camshaft embedded in the engine block on the right-hand side.