Why Beefy Propellers Are Better (or alt title: The Story of Genetic-Algorithm Designed Propellers)

In a previous post entitled, “The Problem with Skinny Propellers,” we talked about how the vast majority of drone manufacturers have made the most unhappy trade-off with their propellers and electric motors: (i) propellers can only spin so fast before there is “boundary layer separation” (i.e., the propeller stops producing lift) but (ii) electric motors…

What Moneyball (both the book and movie) means for drones (and Cost-Per-(Flight)-Minute)

Moneyball. It’s a movie about statistics. And baseball. And neither of these is a recipe for a thriller or action-packed adventure. And truth be told:  Moneyball isn’t. But it is improbably one of the more interesting films of the 21st century.    Based on a 2003 book written by Michael Lewis, the movie recounts the true…