Windmill

video1Windmill Power for Areas with Limited Access to EnergyPerkins-Tryon Junior/High Schools

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Greensburg, Kansas3Why Greensburg Kansas?Help those in needDevastation after 2007 tornado

4Availability of ResourcesKansas ranks in the top 3 states for wind resources.It is in a class 4 area where wind speeds are on average 60 m/h.Limited biomass after tornado.Ample sunlight is available.5Ecological FactorsAvailability of windThe only historic site is the largest hand-dug well.No other landscape impacts.Military bases : Fort Leavenworth Fort Riley McConnell AFB

6Access and Availability Two major highways RailroadAirport

7ResearchControlsVariableVolts(Volts)Current(Amps)

Power(Watts)Medium-curved blades 75 pitchPlastic material4 bladesLow Speed2.o.1.2Medium-curved blades 75 pitchPlastic material 4 bladesMedium Speed2.6.2.52Medium-curved blades 75 pitchPlastic material 4 bladesHigh Speed3.1.3.938Power Generated at Variable Wind SpeedsPower (watts)Wind Speed9Research ControlsVariableVolts(Volts)Current(Amps)Power(Watts)Medium-curved blades 75 pitchPlastic material High Speed2 Blades2.9.1.29Medium-curved blades 75 pitchPlastic material High Speed3 Blades3.0.2.6Medium-curved blades 75 pitchPlastic material High Speed4 Blades3.1.3.9310Power Generated with Variable Number of BladesPower (watts)Number Of Blades11ResearchControlsVariableVolts(Volts)Current (Amps)Power(Watts)Medium-curved blades 75 pitchPlastic material High Speed4 BladesHigh Tension3.1.30.93Medium-curved blades 75 pitchPlastic material High Speed4 Blades

Low Tension4.1.41.6412Power Generated with Variable Gear TensionsPower (watts)Tension of Gear13DesignControlsVariableVolts (Volts)Current(Amperes)Power(Watts)Medium blades 75 pitchPlastic material High Speed4 BladesLow Tension

Curved Blade4.1 .41.64Medium blades 75 pitchPlastic material High Speed4 BladesLow Tension

Square Blade5.0.63.014Power Generated with Variable Blade DesignPower (watts)Tension of Gear15ResultsHome windpowerSkyStream home wind turbine producing 400KWh per month in 12 mph wind ($9000 - 12,000 including installation)There are 730 houses in Greensburg, Ks now.5-11 k-w/h day

16Results1000 houses /businesses 11,000 k-w hours per day needed400 k-w hours per month in 12 m/h wind 2,000 k-w hours per month in 60 m/h wind17 windmills are needed to produce 34,00 k-w hours each month17 windmills installed will cost $153,000-$204,000.

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