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Hydraulic Car Lift (3.2.1)

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Arienne G.D.

on 17 April 2013

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Transcript of Hydraulic Car Lift (3.2.1)

The pump forces fluid from the tank into a pipe leading to the cylinder.
When the valve is opened, the pressurized fluid will take the path of least resistance and return to the fluid reservoir.
But when the valve is closed, the pressurized fluid has nowhere to go except into the cylinder.
As the fluid collects in the cylinder, it pushes the piston up, lifting the elevator car. The reservoir can hold up to 10,000 lbs. Sophia R., Arienne G.D., & Nathan K. What Is It? Pros: http://liftandlube.com

http://science.howstuffworks.com/transport/engines-equipment/elevator1.htm -Can access the car from many different angles.
_Durable
_Very little maintenance is required
-Reduces the chances of people working on the car getting hurt. References: 3.2.1 Hydraulic Car Lift Cons: Pump, Valve, & Reservoir This tool is used by mechanics to elevate a car so that they can do repair work and diagnostics. The RTP10 is particularly useful as it gives you the freedom to work on any part of the car without much in your way. RTP10 Rotary Revolution Double Mounted Car Lift. System Components System Operation Hydraulic Power Unit Pump Lifting Jacks If the jacks are not placed correctly on the vehicles frame then the body of the car can potentially be damaged.

The car can fall off the lift if the jacks are not correctly placed A chain is connected to the lifting jacks and is fixed on one side. The hydraulics move a cylinder attached to a pulley. The lift uses a multiplication factor to lift a vehicle with a small amount of force. To find the multiplication factor, you need to look at the size of the pistons. If the piston on the left is 2 inches in diameter (1-inch radius), and the piston on the right is 6 inches in diameter (3-inch radius). The area of the two pistons is Pi * r2. The area of the left piston is therefore 3.14, while the area of the piston on the right is 28.26. The piston on the right is 9 times larger than the piston on the left. What that means is that any force applied to the left-hand piston will appear 9 times greater on the right-hand piston. Enabling the lift to elevate vehicles with a small amount of work. http://science.howstuffworks.com/transport/engines-equipment/hydraulic1.htm Reflection: Salver Bottom Board Carriage Plate Chain Hydraulic Fluid Our impression of this device is that it is very helpful when working on the bottom of cars. If we were to improve this device, we would make it more stable. The problem with that is, that the more stable, the more expensive they are. So, we would make them more stable, for a smaller price. Also, to make them safer such that it is easier to place the jacks on the car. http://www.northerntool.com/images/downloads/manuals/176371.pdf
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