{"product_id":"electric-airplanes-and-drones-9781476669618","title":"Electric Airplanes and Drones","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003e\u003cp\u003e   Attempts at electric powered flight date to well before the 19th century. Battery weight and low energy output made it impractical until the 1990s, when the advent of lightweight materials, more efficient solar power, improved engines and the Li-Po (lithium polymer) battery opened the skies to a wide variety of electric aircraft.\u003c\/p\u003e\u003cp\u003e   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.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTrade Review\u003c\/b\u003e\u003cbr\u003ea monumental effort describing the whole of the field in ways I have never seen documented.\" - ByDanJohnson.com","brand":"McFarland \u0026 Co Inc","offers":[{"title":"Default Title","offer_id":51040422068567,"sku":"9781476669618","price":34.19,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1739\/5799\/files\/9781476669618.jpg?v=1750946699","url":"https:\/\/bookcurl.com\/products\/electric-airplanes-and-drones-9781476669618","provider":"Book Curl","version":"1.0","type":"link"}