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Niess Brazilian Aircraft and Projects

hesham

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Hi,


here is the Brazilian Marc Niess series of aircraft and projects,the 1-80 was side-by-side
two seat high-wing monoplane,powered by one 80 hp engine,the 2-100 was three seat
variant of (1-80) powered by one 100 hp engine,the 3-150 was all-metal four seat with
swept forward wings and powered by one 150 hp engine.


The designs 4,5 & 6 are not known,the 7-250 Fragata was tandem two seat trainer
aircraft project,the later was the last creation for CBA (Companhia Brasileira de
Aeronáutica).

Flying Review 11/1956

http://www.naval.com.br/anb/ANB-historico/ANB-hist16_avioes_da_MB.htm
 

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Maveric

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The Niess 4-200 was a high-wing 4seat touring project.
The Niess 5-250 was a high-wing 4seat touring project.
The Niess 6-250 "Cadillac Voador" was a training aircraft, forrunner of Niess 7-250 "Fragata".
 

Maveric

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The Niess series run up to the 22-65 with many unnumbered aircraft.
 

hesham

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Thank you my dear Maveric,


and can I ask you,what is your source ?.
 

Maveric

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Roberto Pereira: Enciclopedia de Avioes Brasileiros.
 

hesham

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My dear Maveric,


last question,is that any or more drawings to all of those projects ?,and thanks.
 

Maveric

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Yes, to every project a scetch or 3view drawing.
 

hesham

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Maveric said:
Yes, to every project a scetch or 3view drawing.

Please can you send them ?.
 

Maveric

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At the moment I have no time to scan this book... :-X
 

walter

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I think that only the 2-100 was actually built with reports that 2 examples were constructed (PT-GLI and PT-ZPE)
Attached a photo of PT-GLI and some text.
2-seat sport
one 100hp Lycoming 0-235 piston engine
max. speed 115 mph, cruise 105 mph, ceiling 16,000ft
wingspan 31.625ft; length 21.458ft
DETAILS: The Model 2-100 design of Mr. Marc William Niess was more or less a tricycle u/c version of the Maranhao, but also differed in other aspects, including the installation of one more powerful 100hp Lycoming O-235 engine and the use of slightly forward swept wings. The first of 2 prototype aircraft made the first flight in 1952. Further development was halted.
Production: 2
 

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walter

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The I-80 was only built in prototype form. It was initially known as I-80, but later received modifications as I-80A and a more engine (85hp Continental C85 instead of the original A80). Production was carried out by Fábrica do Galeão as the Model 5-FG Maranhão and reportedly some 68 were built. The production model differed from the I-80 prototype in having a mix of fabric and pywood covering, rather than the fabric covering on the I-80/I-80A and larger fuel tanks. The C85 engine was retained for the production model.
Two aircraft were modified as Model 5-FGA and in order to reduce the empty weight, the plywood panels were replaced by fabric. One 5-FGA was thus modified by the Sao Paulo Aeroclub and the other by Campinas Aeroclub.
Attached a photo of the I-80 and some text.
2-seat sport/trainer
one 85hp Continental C85-8 piston engine
max. speed 110 mph, cruise 85 mph, icr 690ft/minute, ceiling 12,500ft, range 380 miles
wingspan 34.5ft; length 22ft; height 6.5ft
DETAILS: The I-80 was based on the CAP-4 Paulista, but it differed in having a wider cabin, a modernised construction and one more powerful engine. The type was developed by Mr. Marc William Niess.
Model I-80: The prototype aircraft which had one 80hp Continental A80 and which was first flown in June 1950.
Model I-80A: The same aircraft, after having received some modifications and one 85hp Continental C85-8 engine.
 

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