On stand #G12, at Euronaval this week, Cox Powertrain is previewing its professional outboard motor, the CXO300, bringing together highly skilled engineers from Formula 1 racing and premium automotive engine design to develop a completely new concept diesel engine, providing gasoline outboard performance, with diesel economy and reliability.
Cox displays a full sized model of the CXO300, which has been designed specifically for professional marine users. Delivering 300hp and weighing only 300kg, the engine is a high performance, lightweight diesel engine ideal for marine outboard applications on, e.g. fast, rigid inflatable boats, as used by the Royal Navy. The CXO300 has been built to operate in the demanding conditions of a military application in which extreme diesel performance, light weight and small package size are critical to mission performance, and must be delivered alongside robustness and high reliability of operation.
Backed by the UK Ministry of Defence (MoD), the Cox Powertrain engine concept is based on a supercharged, two-stroke diesel opposed piston architecture with Scotch Yoke crankshaft and a central injector position. This engine topology provides power-to-weight ratio comparable with high performance gasoline engines, whilst delivering diesel fuel consumption and a package volume around half that of a state-of-the-art diesel engine, according the company. Crucially for military applications, it also offers much longer service intervals for heavy use, Cox says. 
Cox Powertrain is led by former Cosworth CEO Tim Routsis who commented: “Euronaval is an important venue for us to showcase our technology to the military market. The development of the CXO300 is now entering the final stages of a five year development programme so we are excited at the prospect of introducing this game-changing technology to the market ahead of its launch. We have brought together some of the UK’s foremost experts in engine design to turn this concept into a reality. Owners can be confident that this new diesel outboard is ready for the tough and demanding environment in which it will operate. ”

- Mönch Publications - Latest Issues -

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