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Easyjet's New Ecojet  
User currently offlineXtra1 From United Kingdom, joined Jul 2005, 111 posts, RR: 2
Posted (6 years 10 months 1 week 3 days ago) and read 13499 times:

Easyjet have been all over the news today and I see that they are jumping on the 'environmentally friendly' band-wagon.
They said that they plan to introduce a new "Ecojet" by 2015.
Here's a pic:-
http://i21.photobucket.com/albums/b259/xtra1/ecojet11.jpg
Strange looking plane. The front looks suspiciously like the 787!

34 replies: All unread, showing first 25:
 
User currently offlineTeahan From Belgium, joined Nov 1999, 5287 posts, RR: 62
Reply 1, posted (6 years 10 months 1 week 3 days ago) and read 13475 times:

http://www.easyjet.com/EN/News/easyjet_ecojet.html

Going beyond the PR hype, it's interesting because it spells out exactly what easyJet are looking for in a new narrowbody aircraft. Some interesting notes in the press release about configuration, cruise speed, range, etc.

I wonder if there's anything to be read in the timing of this announcement?

[Edited 2007-06-14 13:56:12]


Goodbye SR-LX MD-11 / 6th of March 1991 to the 31st of October 2004
User currently offlineRichardw From United Kingdom, joined May 2001, 3744 posts, RR: 0
Reply 2, posted (6 years 10 months 1 week 3 days ago) and read 13433 times:

Shame they don't plan to drop the orange in 2015.

User currently offlineClydenairways From Ireland, joined Jan 2007, 1197 posts, RR: 0
Reply 3, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13356 times:

I'd say it looks more like a Caravelle - Look at the passenger windows and the nose section.. The rear, well - that's off a hovercraft.

User currently offlineTornado82 From , joined Dec 1969, posts, RR:
Reply 4, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13351 times:

Add a canard, and then talk to Piaggio about stretching the P-180. After all, it wouldn't be the first business aircraft stretched into a commercial airliner.

User currently offlineBeaucaire From Syria, joined Sep 2003, 5252 posts, RR: 25
Reply 5, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13338 times:

Looks like a real beauty to me - I wonder who will come up with the technology to make an unducted fan without housing that fulfills noise requirements.
But the designers wet-dreams are not neccessarily full-filled byt the guys who have to build the airframe and fans.
Nevertheless- a great initiative and a kick into the traditional aircraft designe mood.But someone must have designed the model-so would be interesting to know who that did?



Please respect animals - don't eat them...
User currently offlineVasu From United Kingdom, joined exactly 9 years ago today! , 3829 posts, RR: 0
Reply 6, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13233 times:

How exactly would they plan to introduce such an aircraft in 2015 if no company has one in planning?

Or have they...??


User currently offlineParapente From United Kingdom, joined Mar 2006, 1509 posts, RR: 10
Reply 7, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13233 times:

"Shame they don't plan to drop the orange in 2015". Thats it!- Thats all we think of the first public attempt by an airline to really try to address the key issues of today and tomorrow. Oh I suppose the windows were a funny shape as well

User currently offlineJustloveplanes From United States of America, joined Jul 2004, 1002 posts, RR: 1
Reply 8, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13188 times:

It looks like one of the Boeing concept studies that has been floating around. That article that resurfaces every year with picutures of designs of the future and includes prop fans, BWB's and one other concept which doesn't come to mind now.

User currently offlineBeaucaire From Syria, joined Sep 2003, 5252 posts, RR: 25
Reply 9, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13161 times:

Quoting Justloveplanes (Reply 8):
That article that resurfaces every year with picutures of designs of the future and includes prop fans, BWB's and one other concept which doesn't come to mind now.

I have the impression Easyjet this time do a little more than just a PR event.The company is acting slightly different than Ryanair or the other Low-Cost's and their statements regarding environment seem genuine.If they can push manufacturers to speed up their design-projetcs and actually switch from conceptual state into prototype analysis,it would be a tremendous tep forward.
Main task with though be with the engine-manufacturers to demonstarte a gear-boxed unducted fan.



Please respect animals - don't eat them...
User currently offlineEI321 From Iraq, joined Jul 2009, 0 posts, RR: 0
Reply 10, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13149 times:

Separated at birth?

View Large View Medium
Click here for bigger photo!

Photo © Javier Rodriguez - Iberian Spotters


[Edited 2007-06-14 14:51:58]

User currently offline7LBAC111 From United Kingdom, joined Jul 2004, 2566 posts, RR: 36
Reply 11, posted (6 years 10 months 1 week 2 days 23 hours ago) and read 13128 times:

Quoting Richardw (Reply 2):
Shame they don't plan to drop the orange in 2015.

God you're miserable.... Big grin

7L



Debate is what you put on de hook when you want to catch de fish.
User currently offlineSolnabo From Sweden, joined Jan 2008, 847 posts, RR: 2
Reply 12, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 13023 times:

Quoting Clydenairways (Reply 3):
I'd say it looks more like a Caravelle

Very true...

Why oh why the orange/white livery?

Micke//  wave 



Airbus SAS - Love them both
User currently offlineSalomon From Canada, joined Jun 2006, 205 posts, RR: 0
Reply 13, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 13023 times:

Press Release

Quoting Easyjet:

-The design range of the easyJet ecoJet should be 2,000 nm or less
-The airframe will be made of advanced weight-reducing materials similar to those used in current projects like the Boeing 787
-The projection for the eco-liner would generate less than 47g of CO2 per passenger km. For comparison, easyJet’s current operations generate 97.5g of CO2 per passenger km, the Toyota Prius emits 104g of CO2 per kilometre
-The easyJet ecoJet will form a family of aircraft from 150-250 seats in single class configuration (130-220 seats in 2-class)
-The easyJet ecoJet will remain in production beyond 2040 the industrial requirement will be to produce more than 60 aircraft a month
-One would expect the wing to be manufactured out of carbon fibre.
-The requirements of a laminar flow wing will dictate a slightly slower design cruise speed – Mach 0.75 compared to Mach 0.78/0.79 for today’s conventional designs.
-easyJet is working closely with all the relevant airframe and engine manufacturers on the next generation of short-haul aircraft



Takeoffs are optional; landings are mandatory.
User currently offlineMoo From Falkland Islands, joined May 2007, 3829 posts, RR: 5
Reply 14, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 12928 times:

I thought this looked familiar:



http://seattletimes.nwsource.com/htm...e/2002973147_boeingconcepts05.html


User currently offlineKeesje From , joined Dec 1969, posts, RR:
Reply 15, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 12894 times:

I think we should put to much value in the design, its good PR, showing they care.

What is interesting is that the industry is pushing the OEM with regards to not being satisfied with a few percent better efficiency for the next generation NB's.


User currently offlineStil From Spain, joined Apr 2006, 345 posts, RR: 7
Reply 16, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 12858 times:

It may be as green as you want... but is a nightmare for every trim-loadsheet agent!!

Stil



....... Gueropppa! ......
User currently offlineRichardw From United Kingdom, joined May 2001, 3744 posts, RR: 0
Reply 17, posted (6 years 10 months 1 week 2 days 22 hours ago) and read 12833 times:

Quoting 7LBAC111 (Reply 11):
God you're miserable....

Thanks.

Was just a view about the livery.


User currently offlineSeJoWa From United States of America, joined May 2006, 328 posts, RR: 0
Reply 18, posted (6 years 10 months 1 week 2 days 21 hours ago) and read 12750 times:

I prefer the engines to be far apart for obvious reasons.

The wing is swept forward slightly, interesting. That would make it a Fozzie Kermit.

This goes into the putative Y1+ territory!


User currently offlineVirginFlyer From New Zealand, joined Sep 2000, 4537 posts, RR: 42
Reply 19, posted (6 years 10 months 1 week 2 days 21 hours ago) and read 12646 times:

This is quite an interesting concept - between this and the rumblings coming out of the engine manufacturers, it seems as though the prop-fan is coming back into vogue (and who knows, maybe triangular windows too - Caravelle lovers rejoice!). There are a couple of articles which provide some interesting pictures:

http://business.guardian.co.uk/story/0,,2103055,00.html (note the forward swept wing and the empennage which reminds me of a certain transonic concept aircraft from a few years back)

http://www.channel4.com/news/article...+green+vision+for+the+skies/559432 (close up of the engines, and also a video which shows the model in some detail).

There are a couple of issues with this design concept (not necessarily problems, just issues which will need to be considered) which I'd like to point out.

1) By locating the engines off the wing, you lose the bending moment relief the weight of the engines provides, and thus the wing needs to be stronger, and thus heavier. (For those unfamiliar with the concept, basically the wing will try to bend upwards in flight, due to the lift being generated along its length, and the majority of the aircraft's weight being concentrated at the root. By applying some weight at a position along the span of the wing, the amount of upwards bending moment at the wing root is reduced, and thus the wing doesn't have to be designed to be as strong.)

2) The location of the engines on this concept doesn't seem to lend itself to easy access for service.

3) A fair bit of testing would need to be conducted into the effect of a blade being spat - from the look of the design, it seems as though it would very likely take out a significant amount of the tail control surfaces, or even the entire stabiliser.

An alternative design placing the engines over the top of the wing would address the first problem, and possibly the second, although the third seems like it will be an issue regardless of the placement of the engine.

In order to prevent excessive cabin noise, an over-the-wing installation of the engines might well require a high wing, which in itself is not desirable, as it puts structural elements through the passenger cabin rather than the cargo hold. Engines mounted above a high mounted wing would also be harder to access than those above a low mounted wing.

Like most designs, there will be trade-offs and compromises. It could well be that the cost savings realised from the fuel consumption outweigh the costs of having heavier wings with harder to access engines. It will be very interesting to see if an airframer can make a concept such as this work...

As an afterthought, I wonder how easy it would be to design the aircraft such that it could be fitted either with open rotor prop-fans or traditional closed rotor engines. If it could be done, it would yield a rather versatile family of aircraft in the 70-240 seat category which offered open rotor engines and a low MTOW for short range efficiency, or closed rotor engines and higher MTOW for longer range missions. Boeing has been studying the idea of a modular family for the Y1/737RS with different fuselages widths and wings - I wonder whether such a modular concept could be reasonably extended to different powerplant types.

With Paris less than a week away, and the world's attention firmly on environmental issues, I wonder how many other environmentally driven concepts are going to see the light of day in the near future...

V/F



"So powerful is the light of unity that it can illuminate the whole earth." - Bahá'u'lláh
User currently offlineRichardw From United Kingdom, joined May 2001, 3744 posts, RR: 0
Reply 20, posted (6 years 10 months 1 week 2 days 21 hours ago) and read 12600 times:

Quoting Parapente (Reply 7):
"Shame they don't plan to drop the orange in 2015". Thats it!- Thats all we think of the first public attempt by an airline to really try to address the key issues of today and tomorrow. Oh I suppose the windows were a funny shape as well

Was just a view about the livery.

You haven't said anything about the airliner, this is airliners.net and not mud-slinging.com BTW.


User currently offlineFlyTUITravel From United Kingdom, joined May 2007, 723 posts, RR: 0
Reply 21, posted (6 years 10 months 1 week 2 days 20 hours ago) and read 12477 times:

Is this a joke?


FLYTUITRAVEL.


User currently offlineScouseflyer From United Kingdom, joined Apr 2006, 3364 posts, RR: 9
Reply 22, posted (6 years 10 months 1 week 2 days 20 hours ago) and read 12465 times:

Quoting Moo (Reply 14):
I thought this looked familiar:

They should make Honeydew - that's a proper looker of a plane!


User currently offlineSkyexRamper From , joined Dec 1969, posts, RR:
Reply 23, posted (6 years 10 months 1 week 2 days 18 hours ago) and read 12274 times:

2015 huh....well someone better get started on thos computers, it's only 7.5 years from now.

User currently offlineNDSchu777 From United States of America, joined Oct 2001, 419 posts, RR: 3
Reply 24, posted (6 years 10 months 1 week 2 days 17 hours ago) and read 12140 times:

Definitely an interesting concept. It will be interesting to see if Boeing and Airbus are going to incorporate a more radical design like this into the next generation of narrowbody aircraft.

Definitely a smart move on easyJet's part, especially since the heart of the "aviation is single-handedly destroying the environment" seems to be centered in the UK. The industry needs to tout advances in technology like this now before we're labled as public enemy #1 and we're just taxed out of business.


25 Beaucaire : Why not Embraer ??? If Airbus forges some kind of lose alliance with the Brazilians,as suggested, to jointly develop a new un-ducted fan aircraft? Ag
26 Post contains images Birdseed : Cheap paint?
27 Gatehold : It looks like if you took a Caravelle and made it really, really ugly.
28 QFA380 : Their saying that 10% of the fuel used today can be eradicated with new ATC technology and esign. How exactly would this work? I don't think ATC techn
29 Post contains images Calags : Looks like the 7J7 re-imagined If I recall correctly unducted fans were considered for that design but the price of oil dropped and the concept was sh
30 Post contains images WestJetYQQ : I like the 737NG winglets glued on the back!
31 TheGreatChecko : I immediately thought about the unducted fan ala McDonnell Douglas when I read the article. The concept looks pretty cool actually. Weren't those Prat
32 Post contains images AirbusA6 : Interesting to see a LCC trying to drive the argument about the future design of aircraft. SRB has been talking about the environment a lot recently t
33 Glom : I'm not getting the name of a manufacturer here. EasyJet don't make planes, they just fly them. On whose expertise do they offer this new design as th
34 Rivet42 : What exactly is the problem here? The major airlines have been driving configuration (which drives design) for years, neither Boeing nor Airbus would
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