December 8, 2003 by Paul Gipe For an explantion of the following chart see the article on measuring power curves. … Read more

Specifications of Small Wind Turbines at Wulf Test Field   Rotor Swept Rated Number Approx.   Tip Speed   Tip … Read more

Cruising World Noise Measurements Turbines Rotor Swept Rated SPL* Tested Dia. Area Power @11 knots   m m2 W dBA … Read more

Summary of Small Wind Turbine Noise Measurements at Wulf Test Field in dBA   Hub Reference Slant     Sound … Read more

Comparison of Noise from Small & Selected Medium-Size Wind Turbines                 ECN/Van der … Read more

Noise air 403 ambient

Air 403 Ambient Noise.   Air 403 Noise. Linear regression trend and data for Air 403 charging a constant load. … Read more

Ampair 100 ambient noise

Ampair 100 Noise Ambient.     Ampair 100 Noise Charging.   Ampair 100 Noise Unloaded.   Ampair 100 Noise Summary.

Ambient noise measurements chart

    There was generally good agreement with the measurement of ambient conditions for the three seperate tests. Note that … Read more

Bwc 850 ambient noise

BWC 850 Ambient Noise. Linear regression trend and data from one-minute Leq with the turbine parked. Copyright 2001 by Paul Gipe. All rights reserved.

Both versions of the AirX monitored at the Wulf Test were qualitatively and quantitatively quieter than the Air 403.