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A trimotor is an aircraft powered by three engines and represents a compromise between complexity and safety and was often a result of the limited power of the engines available to the designer. Many trimotors were designed and built in the 1920s and 1930s, when engine power lagged behind the designers' power requirements.
The CNNA HL-1 was a light utility aircraft developed in Brazil in 1940. It was a high-wing strut-braced monoplane with fixed tailskid undercarriage and seating for two persons in tandem.
The CNNA HL-2 was a utility aircraft designed in Brazil in 1940. It was a low-wing twin-engine monoplane intended to seat six people or for airmail use. Of wooden construction, an emphasis was placed on the use of native timbers to build the aircraft. Before the prototype was complete, however, the project was abandoned.
The CNNA HL-3 was a civil trainer aircraft developed in Brazil in 1941.
The CNNA HL-6 was a civil trainer aircraft developed in Brazil in 1943.
Companhia Nacional de Navegação Aérea was a Brazilian aircraft manufacturer of the 1940s established by Henrique Lage. It produced Muniz designs under licence, as well as prototypes for a wide range of civil aircraft. Its greatest successes were the HL-1 and HL-6, which were purchased in number by the Brazilian government for the country's aeroclubs as part of a pilot training initiative. Business ceased in 1951.
The CNNA HL-8 was a civil transport/utility aircraft developed in Brazil in 1943.
Comhdháil Náisiúnta na Gaeilge (CNnaG) was the central steering council for a number of organisations involved in the promotion of the Irish language. Its mission was to "strengthen and consolidate goodwill and support for the Irish language and its usage as a living language so that it may be used freely and widely in all aspects of Irish life".
Guanrong Chen (陈关荣) or Ron Chen is a Chinese mathematician who made contributions to Chaos theory. He has been the chair professor and the founding director of the Centre for Chaos and Complex Networks at the City University of Hong Kong since 2000. Prior to that, he was a tenured full professor at the University of Houston, Texas. Chen was elected Member of the Academy of Europe in 2014, elected Fellow of The World Academy of Sciences in 2015, and elected IEEE Fellow in 1997. He is currently the Editor-in-Chief for the International Journal of Bifurcation and Chaos.
The Franklin O-300 was an American air-cooled aircraft engine of the early 1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced 300 cu in (5 L). The power output ranged between 130 hp (97 kW) and 175 hp (130 kW) depending on variant. The 6ACG-298 featured a geared propeller drive.
Events in the year 1943 in Brazil.
References
Sǎo Paulo Technical Museum website (in Portuguese)
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