Could this be the 797? Boeing Granted Bizarre Patent
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Could this be the 797? Boeing Granted Bizarre Patent

  
  
  
  

Boeing was granted US patent Number 7,900,865 on March 8, 2011 for an incredibly unique and revolutionary type of aircraft. With a design the likes of which have never been seen in the commercial aircraft industry, Boeing may just be gearing up for the 797, the 737’s successor. The patent includes the following design features:

  • Canard elevators on the forward fuselage.
  • An elliptical wide body fuselage that could accommodate twin aisles.
  • Wings mounted at the 10 and 2 o'clock position on the rear fuselage.
  • Forward swept wings with a forward wing sweep of 15 to 19 degrees.
  • Engines mounted on pylons at the rear of the fuselage.
  • The rear fuselage and wings extended to form a horizontal stabilizer and elevator.
  • Two canted vertical stabilizers
  • Main landing gear contained in the rear fuselage
  • The design can accommodate high bypass turbofans, counter-rotating prop jets or turboprop engines.
  • Engine location above the fuselage and surrounded by vertical stabilizers to reduce engine noise.

The image below from Boeing’s patent application shows what the new aircraft could look like.

797 resized 600

Strange, yes, but there are many design aspects which will enhance the passenger experience for travelers around the world. The placement of the engines is sure to create the quietest cabin in the skies, as well as the quietest aircraft to those on the ground. With wings in the rear of the aircraft, incredible views will be afforded to passengers throughout the cabin.

Boeing has said nothing to confirm that this will be the 797, but rumors have it that the manufacturer and airlines have had discussions that a 737 replacement will have twin aisles for increased passenger comfort.

To view the patent which has incredible number of informative images, click here.

Comments

Intuitively, looking at the design, I am constrained to make two questions: 
1. Where is the CG? 
2. How is this thing going to glide dead stick?
Posted @ Wednesday, April 13, 2011 10:54 AM by Hugh Dame, MD
Because both the canard and wing are lifting surfaces, this aircraft will be faster than a conventional tailed aircraft (no tail down force) and have a wide CG. Ask any canard aircraft (Rutan, for example) designer or aviator, this plane will not conventionally stall and will have tremendous range and glide performance. In fact, I would bet it would have to have substantial drag capability so as to reach max habitable altitude within time limits in the event of a rapid decompression.
Posted @ Monday, April 18, 2011 4:34 PM by Bruce Smith
Question 1: the aerodynamic center referenced at the MAC line somewhere outboard on the wings, will be forward compared with back swept wings. Actually the design looks to me like a three-surface concept with a fore-wing canard up front, and a almost hidden horizontal stabilizer at the end almost integrated to and behind the main wing. In this configuration, all 3 surfaces produce lift and make it a flight platform more stable compared with the common lay-out. Typically the CG position needs to be well in front of the determined aerodynamic center, unless the aircraft will be controlled with fly-by-wire. 
 
Question 2: it will glide like any other AC, whereas the canard configuration will help to prevent the complete stall of the main wing. Hence, this one might glide a lot safer.
Posted @ Monday, April 18, 2011 4:41 PM by Peter Funk
Melt it down & re-tool for the  
 
B-727
Posted @ Wednesday, April 20, 2011 5:23 PM by Trig Johnston
I can hardly believe Boeing got a patent for what Burt Rutan developed almost 30 years ago and what Grumman used on their design of the X-29...
Posted @ Tuesday, November 29, 2011 8:39 AM by Henry
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