Articles by
Paul Gipe
Latest Anti-Wind Myths Circulating on the Internet: Clean Green Hoax & Blade Waste Filling up Landfills
By
Paul Gipe
I don’t do a lot of wind energy flim flam debunking these days. I leave that to the next generation. However, I will take up my cudgel reluctantly when my friends throw something egregious in my face. And that happened recently from several different sources: one a FaceBook post, and another from a chain email that’s circulating.
New Wind Tops ~100,000 MW in 2021 for First Time
By
Paul Gipe
The World Wind Energy Association announced that for the first time new wind turbine installations reached nearly 100,000 MW in 2021. The announcement was made on the eve of Global Wind Day and the start of the WWEA conference in Rimini, Italy,
Capacity of 2020 Chevy Bolt with 2022 Replacement Battery after One Month
By
Paul Gipe
Our 2020 Chevy Bolt’s traction battery was replaced under warranty on 6 May 2022 by our local Chevy dealer.
EV Traction Battery Minerals Mix
By
Paul Gipe
In following online discussions of EVs, there’s often reference to the type of traction battery used. Eric Way of News Coulomb fame is one who is comfortable talking about the benefits and drawbacks of different traction battery chemistries.
When Slide Rules Ruled
By
Paul Gipe
I don’t remember how slide rules came up in a conversation recently. It may have been when Nancy recalled her dreaded chemistry classes in college and noted that she never learned how to use the complimentary slide rules they were given in the class.
Update on Betz: Everything You Need to Know about Wind Turbines Was Written in 1927
By
Paul Gipe
Herr Fedor Seidler has forwarded a link to several lengthy documents summarizing the work of Albert Betz, Ludwig Prandtl, and their colleagues at the University of Göttingen.
Bonus Codere Luglio 2023 Offerti Checked
By
Paul Gipe
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Our Bolt is back with a New Pack—In Limbo No More
By
Paul Gipe
The gods at GM have taken pity on us and showered us with the gift of a new traction battery, releasing us from our sins.
Smith-Putnam Stressed Skin Blades and Bridge Construction Spar
By
Paul Gipe
Included in the correspondence from Palmer Putnam to Herman Drees is a letter from Richard Heckscher who was involved in blade development on the Smith-Putnam project. (See Palmer Putnam to Herman Drees Letter Reveals Emphasis on Swept Area.) Hecksher had alerted Putnam to the work of Herman Drees in developing Drees’ Cycloturbine.
Palmer Putnam – Herman M. Drees Correspondence 1979
By
Paul Gipe
18-page scan of documents in the archives of Wally Thompson of correspondence from Palmer Putnam to Herman Drees in 1979.
Palmer Putnam to Herman Drees Letter Reveals Emphasis on Swept Area
By
Paul Gipe
Wally Thompson forwarded to me some fascinating correspondence from Palmer Putnam to Herman Drees of Pinson Cycloturbine fame.
To Bolt or Not that is the Question—We Have a Failing Traction Battery
By
Paul Gipe
We have been driving electric for more than seven years and haven’t had any problems--until now. We’re currently driving a 2020 Chevy Bolt EV, but we don’t know for how much longer: It has a failing traction battery.
