In a new partnership agreement, Uber Elevate recently added Joby Aviation to its stable of aircraft companies which are to supply craft for its Urban Air Mobility program. Joby builds electric motors, 12 of which line the wing of NASA’s X-57 Maxwell, with two larger motors for forward thrust when the small units are shut down. This inventory of electric motors on the NASA project gives Joby a certain entrée to interest from the Urban Air Mobility movement, and it’s received that interest from Uber. Well financed in its own right, Joby has committed to meeting Uber’s desire to have operating sky taxis in the air by 2023, as reported by Andrew J. Hawkins in The Verge. We have written about Joby several times in the past, including this 2014 report that includes an early rendition of the Maxwell project. Much has happened for Joby since then. Hawkins picked up the story in 2018. “Joby is the brainchild of inventor …