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Unformatted text preview: METHODS OF PRODUCING POWER POWER Methods of Producing Power Methods Traditional Sources Wind Water Steam Engine Internal Combustion Engine Mechanical Power and its Measurement Windmills - History Windmills John Smeaton - Metal (1740s) Edmund Lee -Automatic Fantail (1745) Not Used Till 1800s Not Very Little change from 1650s to 1850s Gears - Typically Wooden Till 1800s Power - 40 hp (1650s) Primarily Northern Europe Revolving Cap - Hallette (1830) Revolving Revolving Body - End 19th Century Revolving Windmills - Research Windmills Antoine Parent (early 1700s) Force on Sail Proportional to Velocity of Wind Squared Sine of Angle Wind Hits Sail Squared Best Angle = 54 degrees Bernoulli, MacLaurin, d’Alembert (Mid 1700s) Included Rotation of Sail Angle of Sail Varies with Rotation Speed Euler & d’Alembert (Mid 1700s) Shape of Sail Windmill - Research (continued) Windmill Smeaton (1750s) Experimental Torque Force Verified Findings of MacLaurin & Euler Dutch Flared Sails Concave...
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