About BillGrenier

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So far BillGrenier has created 5 blog entries.

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2020-12-28T21:12:09+00:00December 28th, 2020|

Turbines are Ruining Aviation We must get rid of turbine engines. They are ruining aviation. We need to go back [...]


2020-03-12T20:04:13+00:00March 12th, 2020|

The second edition of the book has a number of letters from various people with whom I had interacted with [...]

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