|Role||VTOL aircraft project|
The Convertiplano is a cancelled Brazilian convertiplane project. It is based on the earlier Focke-Achgelis Fa 269.
Henrich Focke revived the design in the early 1950s on behalf of Brazil's Centro Técnico Aeroespacial (CTA), at the time the air force's technical center, who had contracted him to develop a convertiplane. The Convertiplano was built using the fuselage and wings of a Supermarine Spitfire Mk 15, which was believed to be one delivered to Argentina as a sales example. Britain refused to supply the Armstrong Siddeley Double Mamba engine originally selected and the design was altered to accept a mid-mounted 2,200 horsepower (1,600 kW) Wright Duplex Cyclone radial, as used in the Lockheed Constellation, instead. This required a redesign of the transmission due to the increased weight and vibration.
Some 40 workers and US$8 million were devoted to the project, and more than 300 takeoffs were achieved.
The aircraft never entered service.
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- Kovacs, Joseph (April–September 2003). "Uma Breve História das Atividades do Prof. Focke no Brasil". Associação Brasileira de Engenharia e Ciências Mecânicas. pp. pp. 17–22. Archived from the original on 2005-12-30. http://web.archive.org/web/20051230135629/http://www.abcm.org.br/downloads/abcm_engenharia_vol09_num02.pdf.
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