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How many revolutions of a crankshaft must occur before the camshaft completes one revolution?
In a typical four-stroke engine, the crankshaft must complete two revolutions for the camshaft to complete one revolution. This is because the camshaft operates the engine's valves, which open and close once for every two complete cycles of the crankshaft (intake and exhaust strokes). Therefore, the ratio of crankshaft revolutions to camshaft revolutions is 2:1.
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What is the main purpose of a valve spring?
The main purpose of a valve spring is to maintain pressure and ensure that the valves close properly after they have been opened by the camshaft. It helps keep the valves in contact with the camshaft lobes and prevents them from floating or bouncing at high engine speeds. Ultimately, this allows for efficient and precise control of the engine's valve timing and operation.
What is a brief summary of the history of computers?
This chapter is a brief summary of the history of Computers. It is supplemented by the two PBS documentaries video tapes "Inventing the Future" And "The Paperback Computer". The chapter highlights some of the advances to look for in the documentaries. In particular, when viewing the movies you should look for two things: The progression in hardware representation of a bit of data: 1.Vacuum Tubes (1950s) - one bit on the size of a thumb; 2.Transistors (1950s and 1960s) - one bit on the size of a fingernail; 3.Integrated Circuits (1960s and 70s) - thousands of bits on the size of a hand 4.Silicon computer chips (1970s and on) - millions of bits on the size of a finger nail. The progression of the ease of use of computers: 1.Almost impossible to use except by very patient geniuses (1950s); 2.Programmable by highly trained people only (1960s and 1970s); 3.Useable by just about anyone (1980s and on). to see how computers got smaller, cheaper, and easier to use. Simple Computers By definition, a computer is any device capable of performing mathematical equations or calculations. Therefore, many simple devices such as an abacus (which dates back to at least 300 BCE) or a slide rule (first made in England in the 1630s) are the forerunners of today's modern computers. The Calculating Clock The first machine that worked like a computer was a gear-powered German device dubbed the Calculating Clock. It was first created by Wilhelm Schickard in 1623, and it operated by pulling or pushing rods set inside a glass case. A similar device known as a Pascaline became popular in the 1640s. These two devices were the forerunners of a steam-powered "difference engine" that was a pet project of Charles Babbage in the 1820s. Harvard Mark-1 In 1944, the Harvard Mark-1 computer is completed. This computer is closer to a modern computer, but is really just a large calculator driven by a camshaft with no stored programs. This massive computer filled a large room and was a joint effort between Harvard University and IBM. ENIAC Another important computer dating from the 1940s is the ENIAC, which was built between 1943 and 1945. ENIA (Electronic Numerical Integrator and Calculator) was a project of the University of Pennsylvania, and spanned many rooms and used nearly 20,000 vacuum tubes. The Dawn of the Microprocessor A microprocessor is a chip that basically contains an entire computer (or at least a 1940's era computer) using a integrated circuit. The first microprocessor was made by Intel in 1971. With the advent of this technology, the home computer become a possibility. The First PC The first personal computer for home use was the Altair 8800, which contained an Intel 8080 microprocessor. However, this computer had to be assembled by the person who bought it.
What speed does the camshaft turn at in relation to the crankshaft?
The camshaft turns one revolution to the crankshafts two revolutions.
The camshaft turns at what speed in relation to the crankshaft?
The camshaft turns one revolution to the crankshafts two revolutions.
The camshaft makes how many revolutions for a full revolution of the crankshaft?
it's a 2 to 1 ratio For ALL 4 cycle engines, no matter how many cylinders, the crankshaft turns twice for every turn of the camshaft.
Why must the camshaft revolve at only half the speed othe crankshaft?
The camshaft must revolve at half the speed of the crankshaft because it operates the engine's valves, which open and close in sync with the pistons' movements. As the crankshaft completes one full revolution, each piston cycles through a complete intake and exhaust cycle, requiring the camshaft to rotate only once for every two revolutions of the crankshaft. This relationship ensures proper timing for valve operation, allowing for efficient engine performance and preventing potential damage from misalignment.
How many camshaft revolution in stroke cycle engine?
In a typical four-stroke engine, the camshaft completes two revolutions for every one stroke cycle of the piston. This is because the four-stroke cycle consists of intake, compression, power, and exhaust strokes, which require the camshaft to operate the intake and exhaust valves twice during each cycle. Thus, for every complete cycle of the engine, the camshaft turns two full revolutions.
Does the crank turn 2xs as fast as the oil pump and distributor on a sbc?
is that the same if the engine has 2 camshafts (not overhead)
Is a camshaft the same thing as a crankshaft?
The crankshaft is turned by the pistons going up and down. The cam shaft is driven by the timing belt or chain that is turned by the crank shaft. The camshaft on a four cycle engine turns 2 to 1 crankshaft revolution. The cams on the camshaft operate the intake and exhaust valves. intake valve on one revolution and exhaust on the next.
If crankshaft in twin cylinder four stroke engine is turning at 1000 rpm how fast is camshaft turning?
In a twin-cylinder four-stroke engine, the crankshaft completes one full rotation for every two strokes of the pistons. Since the crankshaft is turning at 1000 RPM, the camshaft, which is typically driven by the crankshaft at half that speed, will turn at 500 RPM. Thus, the camshaft in this engine will be rotating at 500 RPM.
What is ratio of crank shaft to cam shaft?
The camshaft spins at half the engine speed. The crankshaft spins 2 times for every one revolution of the camshaft
What do the timing gear marks mean on a Chevy 250 engine?
the mark on the camshaft timing gear needs to line up with the mark on the crankshaft timing gear to ensure the camshaft is in proper time with the crankshaft. Keep in mind that the marks will only line-up every other revolution of the engine due to the crankshaft spinning twice as fast as the camshaft.
What are the mechanical differences of Chrysler 2002 2.7 and 2005 2.7 engine?
The tone wheels on the camshaft and crankshaft are different.The tone wheels on the camshaft and crankshaft are different.
Is it possible that my Chevy 350 camshaft has been installed 180 degrees off but still runs?
no Clarification (From somebody else)It's possible (not likely) that the camshaft could be off by one TOOTH and still run, but if you've lined up the dots connecting the cam and crank, you'd know that immediately but it CAN'T run if the crankshaft is 180 out. Since the crank turns twice as fast as the cam (2 revolutions of the crank for every revolution of the cam), TECHNICALLY if you think the camshaft is 180 out, just turn the crankshaft 180 then the camshaft is back in.Check the distributor alignment and the compression.
