Spinning and shapeshifting

When it comes to improving quadcopter drone performance, no technology is too ‘out there’ or too ancient, as Mark Broadbent reports

img_36-1.jpg
A design for a ‘helical air screw’, a helicopter-type flying machine, from the notebooks of Leonardo da Vinci. To avoid anyone reading his notes, Leonardo wrote in a shorthand of his own devising or, as here, using mirror writing
Hulton Archive/Getty Images

Quadcopters have been pivotal in the drone industry’s growth.They are now a serious industrial tool, used for inspections, package delivery, aerial filming and emergency services work among numerous applications, as well as being a popular consumer electronics plaything,

Become a Premium Member to Read More

This is a premium article and requires an active Key.Aero subscription to view.

I’m an existing member, sign me in!

I don’t have a subscription…

Why not join our community of aviation enthusiasts? Pick one of our offers and access a wealth of world-class aviation content.