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Enrico Forlanini (13 December 1848 – 9 October 1930) was an Italian engineer, inventor and aeronautical pioneer, known for his works on
helicopters A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attribu ...
,
aeroplane An airplane (American English), or aeroplane (Commonwealth English), informally plane, is a fixed-wing aircraft that is propelled forward by thrust from a jet engine, Propeller (aircraft), propeller, or rocket engine. Airplanes come in a vari ...
s,
hydrofoil A hydrofoil is a lifting surface, or foil, that operates in water. They are similar in appearance and purpose to aerofoils used by aeroplanes. Boats that use hydrofoil technology are also simply termed hydrofoils. As a hydrofoil craft gains sp ...
s and dirigibles. He was born in
Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...
. His older brother
Carlo Forlanini Carlo Forlanini (11 June 1847 – 25 May 1918) was a medical doctor and professor at the Universities of University of Turin, Turin and University of Pavia, Pavia. He was also the inventor of artificial pneumothorax, which was the primary treatm ...
was a physician.


Early life

Enrico Forlanini was born to Francesco Forlanini, a notable physician and director of the ''Ospedale Fatebenefratelli'' in Milan. After elementary school he attended one of the three Milan ''Regie Scuole Tecniche'', in 1863 he entered the Military College of Turin. In 1866 he enrolled at the Military Academy of Turin, and became a Lieutenant of Engineers. Enrico enrolled in the ''Scuola di Applicazione Artiglieria e Genio'' (Application School of Artillery and Engineers) in Turin in 1868. Upon graduation in 1870, Forlanini was assigned to Casale Monferrato, where he was able to work in the police station's workshop. He began working on a systematic testing of propellers. He subsequently studied at Politecnico di Milano and graduated in Industrial Engineering.


Helicopter model

In 1877, he developed an early helicopter powered by a
steam engine A steam engine is a heat engine that performs Work (physics), mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a Cylinder (locomotive), cyl ...
. It was the first of its type that rose to a height of 13 metres, where it remained for some 20 seconds, after a vertical take-off from a park in Milan.


Industry

Then, in 1893 he worked in
Forlì Forlì ( ; ; ; ) is a ''comune'' (municipality) and city in Emilia-Romagna, Northern Italy, and is, together with Cesena, the capital of the Province of Forlì-Cesena.The city is situated along the Via Emilia, to the east of the Montone river, ...
, in a company named ''Società Anonima Forlivese per l’illuminazione a gas e per la fonderia di ferro''.


Airships

Later he designed and built a series of dirigibles, notably, designed in 1901 and launched in 1909, the ''
Leonardo da Vinci Leonardo di ser Piero da Vinci (15 April 1452 - 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially rested o ...
'' that he dedicated to the famous
Renaissance The Renaissance ( , ) is a Periodization, period of history and a European cultural movement covering the 15th and 16th centuries. It marked the transition from the Middle Ages to modernity and was characterized by an effort to revive and sur ...
inventor and, in 1912, the ''Città di Milano'', dedicated to his beloved home town. The latter showed exceptionally good characteristics of
stability Stability may refer to: Mathematics *Stability theory, the study of the stability of solutions to differential equations and dynamical systems ** Asymptotic stability ** Exponential stability ** Linear stability **Lyapunov stability ** Marginal s ...
and
controllability Controllability is an important property of a control system and plays a crucial role in many regulation problems, such as the stabilization of unstable systems using feedback, tracking problems, obtaining optimal control strategies, or, simply p ...
that won Forlanini international renown. The New York Times 1918 A further four airships were constructed: F3, F4, F5 and F6. A seventh, named ''Omnia Dir'' was only completed after his death.


Hydrofoils

He is also known for his
hydrofoil A hydrofoil is a lifting surface, or foil, that operates in water. They are similar in appearance and purpose to aerofoils used by aeroplanes. Boats that use hydrofoil technology are also simply termed hydrofoils. As a hydrofoil craft gains sp ...
s that he started modelling since 1898. One of those, built at full scale, used a ladder system of foils and a engine driving two counter-rotating air props. During testing on
Lake Maggiore Lake Maggiore (, ; ; ; ; literally 'greater lake') or Verbano (; ) is a large lake located on the south side of the Alps. It is the second largest lake in Italy and the largest in southern Switzerland. The lake and its shoreline are divided be ...
in 1906, this craft reached a top speed of 68 km/h (42.5 mph). He also tested a hydrofoil with a steam engine but this only achieved around in 1908-1909. Brozzola


Legacy

Forlanini obtained a number of British and American patents on his ideas and designs, most of which were aimed at seaplane applications. He died in 1930 while still working on the design of the ''Omnia Dir'' airship. Milan has dedicated to Enrico Forlanini its city airport, also named
Linate Airport Milan Linate Airport is a city airport located in Milan, the second-largest city and largest urban area of Italy. It served 10.6 million passengers and recorded 118,060 aircraft movements in 2024, making it one of the busiest airports in Ital ...
, as well as the nearby park, the Parco Forlanini. In Milan he also has an avenue named after him, Viale Enrico Forlanini.


Notes


References

*Diego Brozzola. 1999
Aerei Italiani - "Il mio Idroplano" dell'Ing Enrico Forlanini
(Italian) last accessed 2008-06-30
*Gian Luca Lapini. 2004

(Italian) last accessed 2008-06-30
*Officine Leonardo da Vinc
THE HISTORY - Enrico Formanini and the Officine Leonardo da Vinci
/cite> *The New York Times Magazine. 1918-01-13 Page SM3

last accessed 2008-06-30
full article
{{DEFAULTSORT:Forlanini, Enrico 1848 births 1930 deaths Engineers from Milan 19th-century Italian inventors Italian aerospace engineers Airship designers Polytechnic University of Milan alumni 20th-century Italian inventors