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  2. Crankpin - Wikipedia

    en.wikipedia.org/wiki/Crankpin

    A crankpin or crank pin, also known as a rod bearing journal, [1] is a mechanical device in an engine which connects the crankshaft to the connecting rod for each cylinder. It has a cylindrical surface, to allow the crankpin to rotate relative to the "big end" of the connecting rod. [2] [3] [4]

  3. Crankshaft - Wikipedia

    en.wikipedia.org/wiki/Crankshaft

    The crankshaft is a rotating shaft containing one or more crankpins, [1] that are driven by the pistons via the connecting rods. [2] The crankpins are also called rod bearing journals, and they rotate within the "big end" of the connecting rods. Most modern crankshafts are located in the engine block.

  4. Connecting rod - Wikipedia

    en.wikipedia.org/wiki/Connecting_rod

    A connecting rod, also called a 'con rod', [1] [2] [3] is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. [4] The connecting rod is required to transmit the compressive and tensile forces from ...

  5. Main bearing - Wikipedia

    en.wikipedia.org/wiki/Main_bearing

    Some small single-cylinder engines have only one main bearing, [citation needed] in which case it must withstand the bending moment created by the offset distance from the connecting rod to the main bearing. When describing a crankshaft design, the number of main bearings is generally quoted, as the number of crank pins is determined by the ...

  6. Gudgeon pin - Wikipedia

    en.wikipedia.org/wiki/Gudgeon_pin

    Gudgeon pin connection at connecting rod. Gudgeon pin fits into gudgeons inside piston.. In internal combustion engines, the gudgeon pin (English, wrist pin or piston pin US English) connects the piston to the connecting rod, and provides a bearing for the connecting rod to pivot upon as the piston moves. [1]

  7. Piston motion equations - Wikipedia

    en.wikipedia.org/wiki/Piston_motion_equations

    For rod length 6" and crank radius 2" (as shown in the example graph below), numerically solving the acceleration zero-crossings finds the velocity maxima/minima to be at crank angles of ±73.17615°. Then, using the triangle law of sines, it is found that the rod-vertical angle is 18.60647° and the crank-rod angle is 88.21738°. Clearly, in ...

  8. Chevrolet 90° V6 engine - Wikipedia

    en.wikipedia.org/wiki/Chevrolet_90°_V6_engine

    Also like the small block V8 engines, the 200 cu in (3.3 L) V6 used 2.45-inch (62.2 mm) main bearings and 2.1-inch (53.3 mm) rod bearing diameters. Being a 90° V6, Chevrolet took steps to eliminate the rough running tendencies of the 200. The crankshaft has each of its connecting rod throws offset by 18 degrees for each pair of rods. This ...

  9. Crankcase - Wikipedia

    en.wikipedia.org/wiki/Crankcase

    From here the oil is pressurized by an oil pump (and usually passes through an oil filter) before it is squirted into the crankshaft and connecting rod bearings and onto the cylinder walls, and eventually drips off into the bottom of the crankcase. [4] Even in a wet sump system, the crankshaft has minimal contact with the sump oil.

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