From reuk.co.uk or TheBackShed.com
small stepper motors can be perfect for the job. Found in old computer printers (dot matrix, daisy wheel, and some laser), stepper motors are cheaply (if not freely) available and generate AC power at low rates of rotation (far lower than similarly sized DC motors for example). Therefore small wind turbine blades can be mounted directly onto the motor shaft rather than through a noisy and complicated gearing mechanism. Small stepper motors (i.e. under 1 inch diameter) are only really useful for powering a couple of LEDs, larger motors can be used to recharge batteries and much more. Detail...
See Also..
- PVC Wind Turbine Blades Form reuk.co.uk
- Stepper Motor Basics. Form reuk.co.uk
- Wind Energy Resource Atlas of the United States Link...
- Wind Energy Resource Altas South East Asiaresource data on wind speed
- Pringles Wind Turbine From instructables.com
- Wind Turbine FAQ From rpc.com.au
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