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New UPS trucks designed to add drone on top
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<blockquote data-quote="soberups" data-source="post: 1832868" data-attributes="member: 14668"><p>How well and how far would those drones have flown if you hung a one-gallon jug of milk underneath them? A gallon of milk weighs 10 lbs. All of the battery-powered drones I have ever seen were made of foam and carbon-fiber and they weighed a pound or two at the most. OK, multiply that by a factor of 10, put a heavy duty lithium ion battery in it, and you have a 10 lb. drone. Maybe that drone can fly for some distance like you say, but when you hang 10 pounds of cargo from it you have just <em>doubled</em> its weight. This would be the functional equivalent of putting 2500 lbs of lead in the trunk of an economy car, although with a drone it would even be worse because of the aerodynamic drag of the cargo plus any headwinds it might encounter. Its not going to work. Lithium-ion batteries aren't even going to get us close to the power-to-weight ratio we need to make drone deliveries a viable option.</p></blockquote><p></p>
[QUOTE="soberups, post: 1832868, member: 14668"] How well and how far would those drones have flown if you hung a one-gallon jug of milk underneath them? A gallon of milk weighs 10 lbs. All of the battery-powered drones I have ever seen were made of foam and carbon-fiber and they weighed a pound or two at the most. OK, multiply that by a factor of 10, put a heavy duty lithium ion battery in it, and you have a 10 lb. drone. Maybe that drone can fly for some distance like you say, but when you hang 10 pounds of cargo from it you have just [I]doubled[/I] its weight. This would be the functional equivalent of putting 2500 lbs of lead in the trunk of an economy car, although with a drone it would even be worse because of the aerodynamic drag of the cargo plus any headwinds it might encounter. Its not going to work. Lithium-ion batteries aren't even going to get us close to the power-to-weight ratio we need to make drone deliveries a viable option. [/QUOTE]
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New UPS trucks designed to add drone on top
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