Page 70 - All About History - Issue 11-14
P. 70

Da Vinci’s genius inventions






      THE ORNITHOPTER                                                                     Inspired by nature
                                                                                          After his observations and
                                                                                          experiments with bats and birds,
                                                                                          Leonardo utilised a bird-like
        The first-ever attempt at a flying machine                                        wingspan into his designs, to grant
                                                                                          the pilot the maximum amount of
        I                                       underneath the canopy, which they could flap
                                                                                          air resistance.
             n his Codex On The Flight Of Birds,
                                                through a series of levers and gears. This flapping,
             Leonardo considered the questions of
             aerodynamics and presented ways in which
                                                it was theorised, would provide both the thrust
             man could replicate the natural mechanism
                                                and lift that was required for flight.
                                                 Based on a wooden frame, da Vinci’s skeletal
             that enables creatures to fly. From around
        1488 to 1514, he was obsessed with the power of   designs aren’t presented with any covering, though
        flight and was constantly observing birds and bats   it’s likely that he intended to use a cloth or netting
        in an attempt to understand and harness the basic   to provide sufficient resistance for the wings. It’s
        principles that govern it. In his Codex, Da Vinci   unclear whether he actually built and tested an
        wrote: “A bird is an instrument working according   ornithopter, but it’s now thought that the invention
        to mathematical law, an instrument which is   would not have fulfilled its creator’s dream.
        within the capacity of man to reproduce with all   Nonetheless, the machine remains one of the
        its movements.”                         earliest plausible attempts by man to conquer the
          Sketches of the ornithopter – a single-winged,   skies, making its designer among the first
        human-powered flying device – attempted to   pioneers of flight.
        directly mimic the mechanism of natural flight.
        Presented in a number of variants of
        the design, the device would be
        operated by a single pilot, lying prone












         Suspended pilot                                                                                 Like a bird
         The ornithopter’s pilot would                                                                   The machine, powered by a single
         be suspended beneath                                                                            pilot, was designed to repeatedly
         the canopy, in the style of                                                                     flap in the same way a bird does,
         modern-day hang-gliders.                                                                        lifting its occupant into the air.



                                                                                “   The machine is one of

                                                  Pedal power                    the earliest plausible
                                                  Da Vinci understood that a person
                                                  would not be able to provide enough
                                                  power for flight with their arms alone,   attempts by man to
                                                  so incorporated foot pedals into his
                                                  designs to provide extra force.  conquer the skies”
                                                                                                         Verdict
                                                                                       One of the inventor’s
                                                                                                         Ultimately a failure in terms
                                                                                   sketches from his notebook
                                                                                                         of practicality. Da Vinci isn’t
                                                                                                         likely to have ever seen his
                                                                                                         ornithopter successfully
                                                                                                         fly, and today experts have
                                                                                                         realised that based on his
                                                                                                         sketches, it almost certainly
                                                                                                         would have failed. However,
                                                                                                         the machine is the first step
                                                                                                         on the runway towards
                                                                                                         human flight, several centuries
                                                                                                         later. His understanding and
                                                                                                         incorporation of the natural
         Though this attempt to                                                                          world, as well as his sturdy
         master flight remains
         remarkable for its time, it is                                                                  grasp of physics, gave an edge
         unlikely to have worked                                                                         to his designs that hadn’t
                                                                                                         previously been seen.
     70
   65   66   67   68   69   70   71   72   73   74   75