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How to Choose Automotive Pulleys
If pulley A is 40 inches in diameter and pulley B is 8 inches in diameter, what is the ratio of the size A to B? (40/8 or 5/1) What is the speed ratio of A to B? (1/5) Explain what this means. Pulley B will turn 5 times faster than pulley A. Extend this concept into the area of movement.
pulley ratios chart

Topic 2 – The Wheel and Axle, Gears, and Pulleys
E1.1.11 Explain the need for maintaining the proper ratio when replacing a belt drive. E1.1.12 Describe the process for obtaining the appropriate pulley size and ratio of the drive system. E1.1.13 Describe the procedure for determining the proper belt tension. E1.1.14 Explain how to obtain and maintain the appropriate belt tension.
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[DOC File]Chapter 1- Introduction- What Exactly is Engineering
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The pulley weighs 1000 N and tension ratio is 3. Find the diameter of the shaft, if the allowable shear stress of the material is 63 MPa. If in the above Exercise, the belt drive is at an angle of 60° to the horizontal and a combined shock and fatigue factor is 1.5 for …
pulley ratios rpm

[DOC File]Financial Math
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A fixed pulley can be compared to a Class 1 lever. A movable pulley is attached to something else, often by a rope that goes around the pulley itself. The load may be attached to the center of the pulley. A movable pulley can be compared to a Class 2 lever. * Turn to page 292 of your textbook and read “Pulleys”. QUESTION 2:
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[DOC File]CIS 110 - Intro to Computer Logic and Programming
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Requirements Alternative Solutions A. motors B. Pulley C. Lever Must lift heavy objects 5 4 3 Must be safe 5 5 5 Must be compact to fit in small places 5 3 2 Must move smoothly and quietly 4 5 4 Must be easy to maintain 3 4 5 Must be affordable 3 4 5 Nice to have an adjustable grip (sensitivity) 5 4 2 Nice to have the alternative to lift other ...
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Pulley size ratio