Alessandro Tonini (1885 – 12 November 1932) was an important Italian
aeronautical engineer
Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. It has two major and overlapping branches: aeronautical engineering and astronautical engineering. Avionics engineering is si ...
and aircraft designer of the early 20th century who worked for
Gabardini,
Macchi
Aermacchi was an Italian aircraft manufacturer. Formerly known as Aeronautica Macchi, the company was founded in 1912 by Giulio Macchi at Varese in north-western Lombardy as Nieuport-Macchi, to build Nieuport monoplanes under licence for the Ita ...
, and
IMAM
Imam (; ar, إمام '; plural: ') is an Islamic leadership position. For Sunni Muslims, Imam is most commonly used as the title of a worship leader of a mosque. In this context, imams may lead Islamic worship services, lead prayers, ser ...
.
Biography
Tonini was born in
Cavarzere
Cavarzere (; vec, Cavàrzere) is a ''comune'' (municipality) in the Metropolitan City of Venice in the Italian region of Veneto, located about southwest of Venice.
Neighbouring municipalities of Cavarzere are: Adria, Agna, Anguillara Veneta, Chi ...
in the
Province of Venice
The Province of Venice (''Provincia di Venezia'') was a province in the Veneto region of northern Italy. Its capital was the city of Venice.
It had an area of 2,467 km2, and a total population of 846,962 (2011). The province became the Met ...
in
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
in 1885, the son of a
civil engineer
A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing ...
.
[Callegari, Gambarotto 2012, p. 16.] Passionate about the world of
aviation
Aviation includes the activities surrounding mechanical flight and the aircraft industry. ''Aircraft'' includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air ...
, he began his career as an aeronautical manufacturer in
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city h ...
in 1908
[Mancini 1936, p. 586.] when he founded the
Rebus Works[ for the construction of aircraft and aircraft engines.][Cobianchi 1943, p. 75.]
Tonini′s first creation was the Rebus engine, produced in two types. The first, delivering , was installed on the Wright
Wright is an occupational surname originating in England. The term 'Wright' comes from the circa 700 AD Old English word 'wryhta' or 'wyrhta', meaning worker or shaper of wood. Later it became any occupational worker (for example, a shipwright is ...
biplane
A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...
which Lieutenant
A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations.
The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often sub ...
s Mario Calderara and Umberto Savoja flew during the "Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and ''comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo. ...
Week” competition, winning all the prizes for a domestically produced Italian apparatus.[ The second, delivering , was installed on the Rebus Works′ Monorebus ]monoplane
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes.
A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
, which made a flight of [ over the Malpensa airfield in Milan in June 1910.][Cobianchi 1943, p. 412.]
Together with Piero Bergonzi and Ippolito Negri, Tonini later designed two types of canard monoplane with a parasol wing
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes.
A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
,[ creating the world′s first ]airplane
An airplane or aeroplane (informally plane) is a fixed-wing aircraft that is propelled forward by thrust from a jet engine, propeller, or rocket engine. Airplanes come in a variety of sizes, shapes, and wing configurations. The broad spe ...
s with a monocoque
Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell".
First used for boats, ...
fuselage
The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...
.[ One of the aircraft had a metal fuselage,][Cobianchi 1943, p. 414.] and was powered by a Le Rhône
Le Rhône was the name given to a series of popular rotary aircraft engines produced in France by Société des Moteurs Le Rhône and the successor company of Gnome et Rhône. They powered a number of military aircraft types of the First World ...
rotary engine
The rotary engine is an early type of internal combustion engine, usually designed with an odd number of cylinders per row in a radial configuration. The engine's crankshaft remained stationary in operation, while the entire crankcase and i ...
, while the other was a two-seater of entirely wooden construction and powered by a Anzani
Anzani was an engine manufacturer founded by the Italian Alessandro Anzani (1877–1956), which produced proprietary engines for aircraft, cars, boats, and motorcycles in factories in Britain, France and Italy.
Overview
From his native Italy, An ...
engine.[
From 1912 to 1913, Tonini studied aeronautical construction at the ''Ecole Superiéure Aéronautique'' ("Advanced Aeronautical School") in ]Liège
Liège ( , , ; wa, Lîdje ; nl, Luik ; german: Lüttich ) is a major city and municipality of Wallonia and the capital of the Belgian province of Liège.
The city is situated in the valley of the Meuse, in the east of Belgium, not far from b ...
, Belgium
Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
.[Abbate, Lazzati 1963, p. 10.] Returning to Italy, he worked for a short time at Gabardini, and then was hired as technical director at SIAI at Bovisio.[
Some time later, Tonino moved, again as technical director, to the aeronautical works of ]Macchi
Aermacchi was an Italian aircraft manufacturer. Formerly known as Aeronautica Macchi, the company was founded in 1912 by Giulio Macchi at Varese in north-western Lombardy as Nieuport-Macchi, to build Nieuport monoplanes under licence for the Ita ...
in Varese
Varese ( , , or ; lmo, label= Varesino, Varés ; la, Baretium; archaic german: Väris) is a city and ''comune'' in north-western Lombardy, northern Italy, north-west of Milan. The population of Varese in 2018 has reached 80,559.
It is the c ...
.[ During ]World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, he designed the Macchi M.7
The Macchi M.7 was an Italian single-seat fighter flying boat designed by Alessandro Tonini and built by Macchi. A modified version of the M.7, the M.7bis won the Schneider Trophy in 1921.
Development
The M.7 was similar to the earlier M.5 ...
fighter flying boat
A flying boat is a type of fixed-winged seaplane with a hull, allowing it to land on water. It differs from a floatplane in that a flying boat's fuselage is purpose-designed for floatation and contains a hull, while floatplanes rely on fusela ...
, the Macchi M.8 reconnaissance
In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities.
Examples of reconnaissance include patrolling by troops (skirmisher ...
-bomber
A bomber is a military combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), launching aerial torpedo, torpedoes, or deploying air-launched cruise missiles. The first use of bombs dropped ...
flying boat,[ the Macchi M.9 bomber flying boat, and the ]Macchi M.12 __NOTOC__
The Macchi M.12 was a biplane flying boat bomber designed by Alessandro Tonini, and produced in small numbers by Macchi in Italy in 1918.Taylor 1989, 617 It had a conventional design, generally similar to an enlarged version of other Ma ...
bomber flying boat, all of which saw use by Italian military forces during the war.[
After the end of World War I, Tonini designed the ]Macchi M.14
The Macchi M.14 was an Italian fighter of 1918 designed and manufactured by Macchi. The M.14 was the first non-seaplane fighter Macchi produced, its previous fighter production having focused on flying boat fighters.
Design and development
A ...
fighter, the Macchi M.15
The Macchi M.15 was an Italian reconnaissance aircraft, bomber and trainer, designed by Alessandro Tonini and Piero Bergonzi and built by Macchi.
Design and development
The M.15, which first flew in 1922, was a two-seat biplane with wings of ...
, which saw service as a reconnaissance aircraft, bomber, and trainer aircraft
A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristi ...
, the Macchi M.16 civil sport aircraft, the Macchi M.17 racing
In sport, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific goa ...
flying boat, the Macchi M.18
The Macchi M.18 was a flying boat designed by Alessandro Tonini and produced by Macchi in Italy in the early 1920s.Taylor 1989, 617''World Aircraft Information Files'' File 901 Sheet 01 Originally planned as a passenger aircraft, it entered pr ...
bomber and civilian passenger flying boat, the Macchi M.20
The Macchi M.20 was a single-engine biplane trainer aircraft produced by the Italian aeronautical company Aeronautica Macchi between the end of the 1910s and the beginning of the 1920s.
Produced in small numbers and intended for the civil aviatio ...
two-seat civil trainer and touring aircraft, and the Macchi M.24
The Macchi M.24 was a flying boat designed by Alessandro Tonini and produced by Macchi in Italy during the 1920s. Originally intended as a bomber, it was eventually produced for civilian use as well.Taylor 1989, 617''World Aircraft Information Fi ...
flying boat, which saw use as a bomber and torpedo plane
A torpedo bomber is a military aircraft designed primarily to attack ships with aerial torpedoes. Torpedo bombers came into existence just before the World War I, First World War almost as soon as aircraft were built that were capable of carryin ...
and as a civilian passenger aircraft.[ Piloting an M.16 powered by a Anzani engine, Giovanni De Briganti won the ''Coppa Mapelli'' ("Mapelli Cup") twice, in 1920 and 1921, retiring the trophy.
In 1926, Tonini moved to the ]Romeo
Romeo Montague () is the male protagonist of William Shakespeare's tragedy ''Romeo and Juliet''. The son of Lord Montague and his wife, Lady Montague, he secretly loves and marries Juliet, a member of the rival House of Capulet, through a priest ...
Works in Naples
Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...
to work for IMAM
Imam (; ar, إمام '; plural: ') is an Islamic leadership position. For Sunni Muslims, Imam is most commonly used as the title of a worship leader of a mosque. In this context, imams may lead Islamic worship services, lead prayers, ser ...
, where he designed the IMAM Ro.5
The IMAM Ro.5 was a sport aircraft designed by Alessandro Tonini and produced by IMAM in Italy in the late 1920s.
Design and development
The Ro.5 was a conventional, parasol wing monoplane with fixed tailskid undercarriage and two open cockpit ...
touring aircraft.[ The Ro.5 performed well during the International Challenges in 1929 and the '']Regia Aeronautica
The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946. In 1946, the monarchy was abolis ...
'' (Italian Royal Air Force) adopted it for use in liaison
Liaison means communication between two or more groups, or co-operation or working together.
Liaison or liaisons may refer to:
General usage
* Affair, an unfaithful sexual relationship
* Collaboration
* Co-operation
Arts and entertainment
* Li ...
squadrons.[
Tonini′s health deteriorated in 1929, forcing him to leave his job at IMAM.][Anonymous, "ISSUE 20 – ALENIA AERMACCHI," aviationclassics.co.uk, 3 October 2016 Accessed 18 December 2020]
/ref> He died in Switzerland
). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
due to illness on 12 November 1932.[
]
References
Notes
Bibliography
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{{DEFAULTSORT:Tonini, Alessandro
1885 births
1932 deaths
Aircraft designers
Italian aerospace engineers