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The Blade Runner Development Team Andrew Morales , Ben Smith Eric Pedro, Rishard Sanders , Chris Richard, Michael Swift The Mission Design and build a reliability windmill that generates electricity from ready available materials and Increase Efficiency of the windmill while minimizing overall cost and construction time. Basic Mechanics The generator creates alternating electricity by a series of stationary enamel copper wiring inside a magnetic field referred to as a Armature. The windmill blades directly rotates a bolt which revolves a pair of attached inverted magnets in the armature of generator . The magnetic field rotates around the armature. The advantage of having a stationary armature winding is that the generated voltage can be connected directly to the load. Construction 1. 2. 3. 4. 5. 6. Cut the ¾” thick board into 4 ½” x 7” dimensions to serve as the base for the windmill and generator Cut craft wood to 2 make 2 ¾” x 6“ supports for generator and windmill Drilled ¼ inch hole 1 ½“from the top on through 2 ¾” x 6“rectangles and placed a 3/8“x 2 ½” bolt through the holes Attached two large magnets on each side of the bolt, then used smaller grinded down magnets up against the bolt, between the larger magnets, to brace and fill the gaps on both sides of the bolt Wrapped enamel covered wire around the frame 500 times ,250 times below the bolt and 250 times above the bolt Screwed Fan Blade onto bolt Calculations Theoretical Power = 7.51 Watts Generated Volts = 1.25 Generated Amps = 1 Amp Actual Power = Volts * Amps = (1.25 volts) * (1 Amp) = 1.25 Watts Efficiency = (Actual power / Theoretical power) * 100% = 16.6 % Troubleshooting • Blade design versus Climate • Decrease moment around base • Disadvantages with stationary armature Questions ? Conclusion