Conventional turbine rotates rising warm air up. A vane of turbine is made form beer cans, stand is mad from stepper motor axis.
Thursday, December 27, 2007
Thursday, December 20, 2007
Tuesday, December 11, 2007
Monday, December 10, 2007
Saturday, December 8, 2007
Wednesday, December 5, 2007
Tuesday, December 4, 2007
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