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Re: tdben post# 3930

Tuesday, 02/20/2007 5:27:14 PM

Tuesday, February 20, 2007 5:27:14 PM

Post# of 50129
But they still say this:

"""Historically, hydroelectric energy has required large turbine engines powered by massive amounts of water. Even the very smallest turbines require 187 tons of water per minute (6000 cu ft/min or 45,000 gal/min). This huge amount of water rushes past metal blades causing them to turn and produce electricity. This method of generation works well when large amounts of water are available but is impractical and inefficient when water flow is reduced. The concept of turbine-generated electricity has thus been limited to large waterfalls and dams."""