90 degrees would be a half stroke.
180 degrees per stroke.
In a 4-stroke engine, one complete engine cycle consists of four strokes: intake, compression, power, and exhaust. This cycle requires two full rotations of the crankshaft, which equals 720 degrees of crankshaft rotation. Each stroke corresponds to 180 degrees of crankshaft movement, collectively completing the cycle.
Yes, if by "720 degrees of crankshaft rotation" you mean "two rotations" Here is a great animation of a four-stroke at work: http://www.animatedengines.com/otto.shtml
rotation of the crankshaft
The crankshaft converts the linear motion of the piston into rotation of the crankshaft.
Looking at the front of the engine. The engine/ crankshaft will turn clowkwise.
The four-stroke engine produces 1 power stroke for every 720 degrees of crankshaft rotation.
12 degrees is an angular measurement. BTDC means Before Top Dead Centre 12 degrees BTDC therefore means an angular measurement of 12 degrees against the working rotation of the crankshaft
No, you cannot change the rotation direction of an engine easily. The direction of rotation is determined by the design and placement of engine components such as the crankshaft and camshaft. It would require significant modifications to the engine's internal components to change its rotation direction.
In a 4-stroke cycle engine, two complete revolutions of the crankshaft are required to complete one cycle, which includes intake, compression, power, and exhaust strokes. Therefore, for each individual stroke (intake, compression, power, or exhaust), one rotation of the crankshaft corresponds to half of that duration. Thus, one stroke occurs for every 180 degrees of crankshaft rotation.
The rotation of the push rods have to always rotate in a certain direction. It is relative to the crankshaft. Looking at the front of the typical V8 engine, the crankshaft will move on a clockwise direction. I hope I answered your question.
The crankshaft sensor on a 2001 Chevy Silverado 8100 is located on the bottom of the engine, near the starter. It constantly monitors where the crankshaft is in its rotation.