Embraer EMB-145 early model

hesham

hesham

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Hi,

the Embraer EMB-145 was a regional jet aircraft,and here is with engines
mounted in the wing.

http://www.flightglobal.com/PDFArchive/View/1990/1990%20-%201690.html
 

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I remember that one. Back then, EMBRAER was going for an airplane as close to the Brasília, so the first iterations of the future ERJ-145 were essentially Jet Brasílias. I guess it wasn't worth the performance cost.
 
Actually the EMB-145 first version (Versao 1) had stretched fuselage too. Since Embraer wanted to use the Brasilia wing, the jet pods configuration was modeled on the Brasilia's turboprop nacelles. Embraer contracted out to Boeing extensive wind-tunnel and computational fluid dynamics studies, results of which was negative, essentially due the sweep angle and profile of the wing. Boeing suggested a pylon-nacelle configuration of the engines and a new, more swept wing, and lenghten more the fuselage to house 50 passengers. . And this was Versao 2. In the end, the final configuration was a compromise, using the more swept wing and lenghtened fuselage but putting the engine on the rear to ease the design job for the supercritical wing.
 

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From Air International 11/1990;


here is a clearer 3-view to Embraer EMB-145.
 

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from "aviation design" and " aviation magazine"

Embraer 145 version 2
 

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Amazing my dear Toura,many thanks.
 
Source:
https://www.facebook.com/photo.php?fbid=1064350043583692&set=o.34366349783&type=1&theater
https://www.facebook.com/photo.php?fbid=1064350043583692&set=o.34366349783&type=1&theater
https://www.facebook.com/photo.php?fbid=1064350046917025&set=o.34366349783&type=1&theater
https://www.facebook.com/photo.php?fbid=1064350056917024&set=o.34366349783&type=1&theater
 

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From Aviation magazine 1992.
 

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