NASA's Environmentally Responsible Airliner results...

The Seattle pi recently ran an article on the finalists for the NASA Environmentally Responsible Airliner Concept competition. Included are artist's renderings and the companies that produced the designs. I remember having seen a RFP for this last year. At the time, I didn't have the spare mental capacity to take on such a challenge. I really wish that I could have  participated in this.

The designs shown on the website are all blended lifting bodies with rear-mounted engines. I like the rear engine layout for airliners, because it reduces noise and vibration levels in the passenger cabin. One drawback to this configuration is the potential for a deep stall. The designs appear to be slippery enough to allow clean air into the intakes, hopefully reducing or eliminating that problem.

While blended lifting bodies offer exceptional payload and relatively short takeoff and landing rolls, I'm really not crazy about them. My first love is the Lockheed Constellation, an achingly beautiful aircraft. Blended lifting bodies look like pregnant guppy-whale-things. They aren't especially pretty, and that may be their undoing in the air passenger industry.

I would posit that airlines acquire aircraft that fit their need, as the budget allows. Generally, airliners are a temperamental bunch, displaying faults and quirks like any human. Air crews develop personal relationships with individual aircraft, and passengers will travel the globe, change flights, and pay extra to fly a specific airframe (witness the popularity of Airliners.net.) It is therefore in the best interest of the industry to push the design and development of pretty aircraft.

These designs aren't pretty.

Beauty issues aside, I have to wonder if current airports will require modification for these new designs. They appear to have very long wingspans. Could the wings fold like those of a carrier-based aircraft? If they fold up, could they also fold down to take even greater advantage of the massive lift generated by their shapes? Is there any potential for trans- or supersonic performance?

Anyway, I leave the article to you, dear reader. Tomorrow, I'll talk about what kinds of wacky projects I might be doing with Team UTD.

Cheers,

-- Zach