Tilting at Windmills. A Reading of a Wind Turbine By Charlotte Ebel. At the Teachers as Scholars Institute held at Princeton in 2005, Professor Michael S. Mahoney challenged the participants to engage in a process that he called “reading a machine.”. Introduction.
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A Reading of a Wind Turbine
Marie Hall Ets, Gilberto and the Wind
Their obvious antecedents were the windmills.
I thought about . . .
The gears make the high speed shaft turn approx. 50x faster than the low-speed shaft.
The high-speed shaft turns the dynamo to produce electricity.
If the wind speed becomes too fast, the controller computer shuts down the turbine.
A cooling mechanism keeps the generator from overheating while it is working so fast.
The yaw mechanism orients the rotor to the wind.What’s happening?
It is intended for use by a commercial supplier, such as an electric company. It is part of a system.
Notice that the wind turbines in this picture have lattice towers.
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Some consumers, especially in remote locations, install small wind turbines to serve their residence individually.
On reading a machine
The field trip to the National Museum of History intervened between the first and second remark. We were looking at an early machine. Someone identified a piston. Another remarked how the heavy leather belt moved from one wheel to another to shift gears. The professor stitched together our random
I wanted to stand before you today and say, “Here is my machine. Read it.” I thought of this together with the statement from Marx that the professor likes to quote to the effect that when the new first appears, it appears in the guise of the old. When one grasps what is new it takes a form more appropriate to it.