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These machines are known as ornithopters and they come in a wide variety of shapes and sizes. Some of the earliest designs were drawn by Leonardo da Vinci in the 15th Century, but perhaps one of the strangest can be seen here The Frost ornithopter, created in 1904 by Edward Purkis Frost, was designed to replicate the wings of a crow. He used both real and imitated feathers combined with an internal combustion engine in an attempt to get his machine off the ground. Frost avidly studied flight and designed a number of contraptions between 1868 and his death in 1922. Despite his best flight being only a ‘jump’ off the ground and his witnessing the development of the conventional aeroplane, Frost remained convinced he had pursued a worthy cause. When asked about his studies towards the end of his life he stated ‘I do not begrudge the time and trouble I expended upon the attempt. The investigations opened my eyes to the wonders of nature. It is a beautiful study’.
Incredibly, despite the prominence and success of conventional fixed wing aircraft, contemporary scientists continue to be as fascinated as Frost with constructing the perfect ornithopter. In 2010 the University of Toronto successfully achieved the first level sustained flight by a human-powered ornithopter flying 475 ft over 19.3 seconds.
full with hyperlinks:
blog.sciencemuseum.org.uk/wonderful-things-frost-ornithopter
I saw in your Profile info that you're from India. Are you only visiting London? or living there now?
I only visited twice, and only briefly....
Thank you for the link ;-)
Although most of us Europeans may have genetic or cultural heritage from Indian subcontinent:)
But seriously- I live in London but I'm from Slovakia, actually. Perhaps easier would be to use mail ;)
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