Electric airplanes and drones

"Attempts at electric powered flight date to well before the 19th century. Battery weight and low energy output made it impractical until the 1990s. The author describes the diverse designs of modern electric flying machines--from tiny insect-styled drones to stratospheric airships--and explores developing trends, including flying cars and passenger airliners"--

שנה

2018

שפה

English

מהדורות

1

עמודים

306

ISBN

9781476669618

מקור הנתונים: Wikidata