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article 27, issue 11
Editorial
December 21, 2019
The editors of HPeJ are very sad that our associate editor and founder member of the Human Power Institute, David Gordon Wilson, died earlier this year. He was the editor of the IHPVA's journal "Human Power" for many years and many of his thoughts remain there and in other of his publications. We remember Dave Wilson as a wonderful and generous gentleman.
Maximum (Bicycle) Chain Efficiency
by Theo Schmidt
December 21, 2019
Please download the article here: PDF (1 MB)