NASA to Begin Testing Electric-Powered Aircraft with Retractable Propellers
4 Oct 2019, 10:15 UTC · By: Daniel Patrascu / The X-57 Maxwell uses 60-kilowatt motors that are much lighter than the source plane’s original engines, ground tests coming
4 Oct 2019, 10:15 UTC · By: Daniel Patrascu / The X-57 Maxwell uses 60-kilowatt motors that are much lighter than the source plane’s original engines, ground tests coming