The rotary 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.

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The rotary 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.

In a rotary engine, the pistons are connected to the crankshaft with a master-and-articulating-rod assembly. One piston, the uppermost one in the animation, has a master rod with a direct attachment to the crankshaft. The remaining pistons, pin their connecting rod’s attachments to rings around the edge of the master rod. 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. This is achieved by the engine taking two revolutions of the crankshaft to complete the four strokes, (intake, compression, power, exhaust). Rotary cylinder is an apparatus that transforms the energy of pressurized air into rotational movement. These engines have improved cooling. The rotation of the whole crankcase created its own fast-moving airflow which helped to maintain the temperature.

These engines have High power-to-weight ratio. Many other engines needed a flywheel to reduce vibrations & for a smoother run. In rotary engines, the crankcase itself acted as a flywheel which reduced the weight significantly & thus lead to high power-to-weight ratio.

The linear movement changes to rotational movement by the crank. The angle of movement is limited to 120 structurally, and the rotational force changes according to the angle of movement.

The apparatus gives the detailed information including the working of the rotary engine. The apparatus is movable and very easy to use. The mechanism is fitted on the Bakelite base board with rubber foots.