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    Characteristics Of A Crane

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    1. Introduction 1.1 – What Is a Crane? The Oxford Dictionary defines a crane as “A large, tall machine used for moving heavy objects by suspending them from a projecting arm or beam” (Oxford Dictionaries, n.d.). Today they are a common sight on building sites around New Zealand. They come in many different forms that have been adapted to suit different applications. 1.2 – What are the main (common) parts of a crane? Cranes vary in size, shape & specialty but they are all based on the same principal. As such, there are some parts that are common between all cranes that have been listed below. These elements are also shown in Figure 1. Boom (jib)– This is the arm that does all the lifting. Hook Block – A pulley block with a hook. This is where…

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    Brett Pulley Biography

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    On November 7, 2017, I had the pleasure of listening to Brett Pulley discuss aspects of his life and career through advertising and public relations. Today, Mr. Pulley is the Executive Vice President at Weber Shandwick, a public relations firm formed in 2001 and located in New York City. Throughout his career Pulley has worked for multiple firms such as Barbie, Harley Davidson, Fisher Price, and many more. He has traveled to multiple countries throughout his life time and won two first place…

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    JEDR Report Conclusion

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    31 RPM) x (1 rev)/(2π rad) x 60 s = 913.16 Nm TA = 913.16 x (784.31 RPM)/(261.44 RPM) = 2739.45 Nm TMotor = 2739.45 x (261.44 RPM)/(1785 RPM) = 401.23 Nm 1.4. Pulley and Belt Specification According to the JEDR report, the pulleys’ size ratio is reversed, instead of 3:1 for pulley A to pulley B ratio, it assumed them as 1:3 for drive pulley is smaller than driven pulley. This mistake will lead to a necessary correction for contact angles. Furthermore, the incorrect RPMs will lead to the…

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    Research question: How does the mass (grams[±0.1g]) on one side of a pulley affect the mass (grams), and create equilibrium? Hypothesis: If the differences in masses (grams{±0.1g}) on each side of the pulley increases, then the mass in the middle of the two pulleys will be required to increase, because they will have to balance out each other’s mass to establish equilibrium. If the mass (grams{±0.1g}) on a side of a pulley decreases, then the mass in the middle of the two pulleys will be…

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    1. What simple machines did you incorporate into your nifty lifting machine? In the nifty lifting machine Kenny, Kaylee and Josh used three simple machines. The group used a pulley system as the first simple machine. The pulleys are what allowed lifting the 600 gram can up the five centimeters. The group also used a wheel and axle, which is the crank that was used to pull up the cans. The wheel is the handle that turns axle, which is the dowel rod the group used to tie the rope around. Then,…

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    Drive Belt Research Paper

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    If your vehicle starts squealing when you are driving, there is a good chance that the drive belt needs to be replaced. This sound may start out gradually and increase in loudness and how frequently you hear it over time. Here are four terms that will help you understand what your mechanic is talking about when you take your vehicle in to get your drive belt inspected and replaced. Drive Belt The drive belt on your vehicle is located at the front of your engine. It is connected to your engine…

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    The main reason for this power loss is likely due to the slipping of the belt with respect to the driven pulley. This is because the two surfaces of the wire and pulley are not physically attached, but rather the transmission of force relies on the friction between the two surfaces. Therefore, under this scenario it can be considered that the wire was not effectively in contact with the pulley the whole time (it ‘slipped’) and so some power was wasted. This problem is largely reduced by using a…

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    can effectively do great for the entire body, given below are some of the cable exercises which in turn does a whole lot of good in the strength gain all over the body. Some of the full body cable workouts for men are given below. Standing Cable Row The Standing cable Row exercise regime usually helps to work on the muscles at the back along with the biceps portion and to go about with this, you would first need to adjust the cable pulley lower down and then grab the bar attachment. The next…

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    Rigging Research Paper

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    The magic of theatre has fascinated children and adults since the 1600's. Behind some of the magic of the theatre is just a couple of guys pulling ropes. These people are called Riggers, because they rig cable and ropes to pulleys to make backdrops, people, or set pieces fly. When flying pieces or people, theatres will use a multitude of different things to fly. Unfortunately, stages are also built in a multitude of ways for the purpose of different experiences. For many theatres, stages have…

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    Surfrainbow's Competitors

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    SilenSync Helical Offset Tooth (H.O.T) timing belts combine sprocket and belt in a synchronous package. o Continental ContiTech Belts and Pulleys: The products were earlier sold under the brand name Goodyear EP. The belts and pulleys are known for the lasting performance, as well as accuracy. o Falcon HTC Belts and Pulleys: The belts and pulleys from this brand were formerly sold under the brand name Goodyear Falcon HTC. These products are well-suited for high horsepower, high temperature (up…

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