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hello. please help with a project im doing. im struggling to geta topic and when i browsed through your incredible list i came accross awesome topics. please help me with FABRICATION OF A WIND POWERED VEHICLE and ALL-TERRAIN ROBOT
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Wind-powered vehicles have traditionally been associated with seafaring vehicles that, until the advent of steam engines, relied primarily upon winds which were used to drive the sails of such vehicles to their destinations. In the Western world, such sail-based wind propulsion on water persists in the modern day within primarily leisurely activities, such as sailing boats, sailing ships, yachting, and windsurfing. A special case is ice yachting on ice-covered water.
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Wind-powered vehicles derive their energy from sails, kites or rotors and ride on wheels that can be attached to a rotor or wind runners. These vehicles share a common feature: As the vehicle increases in speed, the advancing aerodynamic profile encounters an increasing apparent wind with an increasingly smaller angle of attack. At the same time, these vehicles are subject to a relatively low resistance compared to the traditional sailboat. As a result, these vehicles are usually capable of speeds higher than the wind.
Examples of rotor propulsion have demonstrated soil velocities that exceed that of the wind, both directly in the wind and directly in the wind by transferring energy through a drive train between the rotor and the wheels. The wind speed record is for a vehicle with a sail on it, Green-bird, with a top speed recorded of 202.9 kilometers per hour (126.1 mph). Other means of wind transport include sailing vessels that travel on water, and balloons and gliders that travel in the air, all of which are beyond the scope of this article.