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Awesome Radial Engine Bike!


KillJoy

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http://en.wikipedia.org/wiki/Radial_engine

 

Basically an airplane style engine.

 

The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders point outward from a central crankshaft like the spokes on a wheel. This configuration was very commonly used in large aircraft engines before most large aircraft started using turbine engines. Smaller aircraft have almost always used inline or opposed type engines.

 

In a radial engine the pistons are connected to the crankshaft with a master-and-articulating-rod assembly. One piston has a master rod with a direct attachment to the crankshaft. The remaining pistons pin their connecting rods attachments to rings around the edge of the master rod (see animation). Four-stroke radials always have an odd number of cylinders per row, so that a consistent every-other-piston firing order can be maintained, providing smooth operation. Most radial engines use overhead poppet valves driven by pushrods and lifters on a cam plate which is concentric with the crankshaft. A few engines utilize sleeve valves instead.

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