Boeing Elliptical Fuselage

Triton

Donald McKelvy
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Payload use of wing to body volume in an elliptical fuselage
US 20130119198 A1

Abstract
An aircraft passenger cabin in an aircraft fuselage wherein an upper portion of the cabin volume is a substantially elliptical cross section and a lower portion of the cabin volume is a cross section extending laterally into a blended area of the wing and fuselage typically referred to as a wing to body fairing.

Source:
https://www.google.com/patents/US20130119198?dq=Boeing&hl=en&sa=X&ei=mUyMUvjBM4nDigLBi4D4Bw&ved=0CHYQ6AEwCTge
 

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someone call Myasishchev and tell them...

http://www.secretprojects.co.uk/forum/index.php/topic,405.msg99692.html#msg99692

index.php
 
.. and then they can tell EADS. Could avoid a direct confrontation! ;)
 

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Boeing exploring concepts using a composite (carbon laminate) fuselage? Or can current aluminum alloys be used to create elliptical fuselages? A twin-aisle Boeing 737 replacement?
 
Triton said:
Boeing exploring concepts using a composite (carbon laminate) fuselage? Or can current aluminum alloys be used to create elliptical fuselages? A twin-aisle Boeing 737 replacement?

Thin walled metal elliptical structures don't react well to internal pressure without additional support
 
Byeman said:
Triton said:
Boeing exploring concepts using a composite (carbon laminate) fuselage? Or can current aluminum alloys be used to create elliptical fuselages? A twin-aisle Boeing 737 replacement?

Thin walled metal elliptical structures don't react well to internal pressure without additional support

Anyone know the advantage of the elliptical section? Why the interest on this shape? Maybe it's a medium point to manufacture between a blended wing body and a circular shape fuselage?
 
The Nord 600 and some early designs for the Airbus were drawn around this cross section. I think, more seats
abreast allowed an increased number of pax, without increasing te overall dimensions considerably. Another
alternative would be a two storeyed fuselage with more difficult boarding/embarkation.
 

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