Windtamer
The promotion of the Windtamer ducted turbine and the support lent by the academic community is a particularly egregious example of an ill-informed promoter preying on goodwill and naiveté.
Windtamer Hype Needs Trimmed: Betz Beaten Yet Again Raises Questions
By
Paul Gipe
Poor Albert Betz, the German physicist must be turning over in his grave. He’s been beaten yet again.

Fantasy Wind Turbines: If It’s Too Good To Be True . . . or How to Spot Scams, Frauds, and Flakes
By
Paul Gipe
The most important tip to keep in mind is that from Robert Gasch. If there is a new wind turbine, no one should pay the slightest attention to it until they “build it, measure it, and publish” the results. Until then, it’s just hot air–and nothing more.