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starsandrobots's profile
Star Simpson
Star Simpson
Star Simpson
@starsandrobots

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Star Simpson

@starsandrobots

I like to build things. Glider pilot. Eyes bigger than bookshelf.

SF Bay
Joined January 2009

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    1. Star Simpson‏ @starsandrobots Feb 18

      We need to have a talk about aerodynamics. This is from “How It Works” magazine.. but this is never going to work.pic.twitter.com/UYp7LAciqY

      6 replies 31 retweets 163 likes
      Show this thread
    2. Star Simpson‏ @starsandrobots Feb 18

      If you don’t see what I see: imagine either item hanging from an awning, like a shop sign. Any breeze would cause a huge amount of blowing around. Now remove the awning. Those drones as shown are getting dragged around the sky by their payloads - at best.

      2 replies 1 retweet 19 likes
      Show this thread
    3. Star Simpson‏ @starsandrobots Feb 18

      The thing about aerodynamics is, like my other favorite engineering field (electrical), the way it works is extraordinarily difficult to just visualize, though it seems like it should be straightforward. It can be unintuitive.

      1 reply 0 retweets 19 likes
      Show this thread
    4. Star Simpson‏ @starsandrobots Feb 18

      Quadcopters - drones with 4 props like that - are popular in part because they can be easily flown with only a very basic feedback-control system that makes these much more tractable than the equivalent programming (to control an airplane or helicopter of the same scale, say)

      1 reply 1 retweet 12 likes
      Show this thread
      Star Simpson‏ @starsandrobots Feb 18

      A lot of what we are doing with drones uses the quadcopter as a jumping-off point, but ignores aerodynamics. There are a lot of 1-lb bumblebees out there, in aerodynamic terms.

      3:08 PM - 18 Feb 2018
      • 16 Likes
      • iKyle Robert (eval 'eye) P. Levy 🌌🔭 Bitter Queer Scientist🔬🚀 Lynn Ghose Cabrera Alejandro Guzman Hojoz yar Tobias Bieniek
      1 reply 0 retweets 16 likes
        1. New conversation
        2. Star Simpson‏ @starsandrobots Feb 18

          (There are even a few 10-, 100- and 1000-lb bumblebee designs buzzing around.. with enough power, anything could get off the ground. But they will all fly for longer and further with just a little thought given to the wings.)

          1 reply 0 retweets 20 likes
          Show this thread
        3. Star Simpson‏ @starsandrobots Feb 18

          Consider for example, how hard it would be to make your car take to the air. You could floor it, drive it as fast as you wanted - and it would still fly quite poorly. But with wings added, this all changes. It’s aerodynamics, not power, that matter.

          2 replies 0 retweets 17 likes
          Show this thread
        4. Star Simpson‏ @starsandrobots Feb 18

          Star Simpson Retweeted William Gibson

          I still feel somewhat responsible for the prevalence of the “Drone brings you stuff” idea, so please consider this thread as sponsored by TacoCopter. I leave you with my so far all-time favorite tweet:https://mobile.twitter.com/GreatDismal/status/185092120376393729 …

          Star Simpson added,

          William GibsonVerified account @GreatDismal
          Tacocopter is from the dreamtime of the zeitgeist. A snack from the Republic of Desire.
          2 replies 4 retweets 49 likes
          Show this thread
        5. End of conversation

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