Wind Power: Renewable Energy for Home, Farm, & Business (2004)

Corrections

September 15, 2007

If you find further errors or want to suggest changes or corrections, post a message to Paul Gipe. Your help is appreciated.

p. 24, right column, 3rd para, coast not "cost"

p. 31, International Standard Atmosphere sea-level temp (T) =59F, =15C

p. 38, Energy Pattern Factor or Cube Factor, delete parens.

p. 41, 3rd para, left column, "the surface roughness exponent is 0.014", should read ". . . exponent is 0.143"

p. 43, Fig 3-8. The red and blue lines are switched.

p. 60, Fig 4-5. Furling misspelled.

p. 189, Fig, 8-16 Photo caption typo, the (delete e) turbine.

p. 206, left column, 3rd para, delete sentence beginning "In Denmark". This sentence is repeated in the following para.

p. 295, Sound Power Level chart, should be color coded trend lines. Upper trend line is 1980s, lower trend line is 1990s.

p. 322, spelling error, Pointe-au-Pére

p. 375, Left-hand column last para, OSHA typo.

My special thanks to Dean Iverson for catching an error in my conversion tables on page 397 in the back of the book.

1 mph = 0.447 m/s

p. 400, formula for air pressue should be, Cell C9: +C$8*(@EXP((-A9*9.807)/(287.04*288.15)))

• AirDensitywithElevation.wb3
• AirDensitywithElevation.xls

p. 403, formula for weibull function with absolute cell references: Cell C15: @WEIBULL($A15,C$7,C$8,0)

• Weibull Wind Speed Frequency Distribution (wb3)
• Weibull Wind Speed Frequency Distribution (xls)

Wind Power Corrected Table of Conversions, page 397

Below is an updated version of Cash Flow for Single Medium-Size Wind Turbine (225-300 kW) in U.S. Business or Farm Application (Table 5-2 on page 78 and the stable on page 417). The update includes more current costs, and more current tax subsidy payments, as well as a more accurate calcualtion of Net Present Value and the Weighted Average Cost of Capital for the Discount Rate. See the Notes section of the spreadsheets for further details. This table should not be used without the accompanying text in the book.

Note that your browser may not recognize the wb3 (Quattro Pro) file. Simply save to your target destination.

• Cash Flow for Single Medium-Size Wind Turbine (225-300 kW) in U.S. Business or Farm Application (wb3)
• Cash Flow for Single Medium-Size Wind Turbine (225-300 kW) in U.S. Business or Farm Application (xls)

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