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N14AZ
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Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 12:36 pm

One surprise of today’s press conference in Hamburg was that Airbus is thinking of sharklets for the A 330. I thought that’s worth starting a separate thread (please delete or move to technical ops if not appropriate).

How do you see this step by Airbus? Seems as if they are still planning with the A 330 for years to come.
As I said in the thread about the press conference: this information was presented by John Leahy. So I don’t think it’s just an academic study but rather a signal to the market.
 
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Stitch
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 12:42 pm

It's a good way to improve the efficiency and performance of the current A330 fleet and keep them active longer in the face of higher fuel costs.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 12:55 pm

Wow - I hope this happens, I can't wait to see an A330 with them fitted, looks beautiful already!
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 1:14 pm

Presumably this will be for retrofit also - potentially a large market, whereas the forward market beyond what is already on order must surely start to shrink soon.
 
india1
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 1:35 pm

They've mentioned only the sharklets bit at the PC, but given that Tony Fernandes has been pushing for a 330NEO in the past, is that any more of a possibility after today?
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 1:45 pm

will this be a settlement with Aviation partners:

They settle the patent issues and Aviation partners will get an offer to supply sharklets to Airbus.
Problam solved.

regards

Flyglobal
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 1:55 pm

This seems to be the pattern for larger airframes. Both the 757 and 767-300ER got blended winglets very late in the types' production run, and midway through their ultimate service lives. Apparently the same is about to happen to the 777-200ER. It's a good way for operators to keep their existing aircraft within striking distance of newer competitors.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 2:15 pm

If it happens, good news for an already very efficient and popular a/c. It just gets better and better!

[Edited 2012-01-17 06:16:58]
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 2:31 pm

How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 2:46 pm

Quoting KC135TopBoom (Reply 8):
How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?

Probably not so we must assume that the improvement is more than 1-2%
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 2:49 pm

I always thought that raked wingtips were more efficient for long haul flights (e.g 77W) than the blended wingtips which are better for shorter and medium haul? (e.g A320's/737 and 757s).
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 2:54 pm

Now please also a new engine and the A330 can be produced another 20 years.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 3:02 pm

Quoting KC135TopBoom (Reply 8):
How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?

It's a medium/long-haul plane. Even a 1% fuel burn efficiency over all those hours could mean the difference between profitability and non-profitability in today's highly competitive industry.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 3:02 pm

Quoting Burkhard (Reply 11):
Now please also a new engine and the A330 can be produced another 20 years.

Amen   

Any suggestions ?  

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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 3:11 pm

Thanks for starting a separate thread, it definitely deserves it.

As the A330 already has first-generation winglets, I assume that there won't be any significant weight increase or reinforcements needed to replace them by current-generation "sharklets". Therefore the 2t MTOW increase for the -200 should go fully into additional PL/Range. In addition, I don't expect huge fuel savings from the sharklets versus old winglets (it's not coming from no winglets at all like the 767 which gained 4-5% IIRC), so let's say 2-3% savings (I doubt Airbus would do this for just 1-2% savings). Now where would 2t MTOW+sharklets put the A330-200 PL-Range wise...I'd say pretty damn close to the 788. And with some luck, the sharklets could even be retrofittable...
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 3:20 pm

Quoting Burkhard (Reply 11):
Now please also a new engine and the A330 can be produced another 20 years.

What about the A350 then ?
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 3:38 pm

Quoting columba (Reply 15):
Quoting Burkhard (Reply 11):
Now please also a new engine and the A330 can be produced another 20 years.

What about the A350 then ?

I think the two could compliment each other, especially since the A358 isn't looking to bright at the moment. We'll see where the future will take us.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 5:52 pm

The A320 family, now the A330, and soon the A380 ?
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 5:58 pm

Quoting r2rho (Reply 14):
Now where would 2t MTOW+sharklets put the A330-200 PL-Range wise...I'd say pretty damn close to the 788.

By my reckoning, about 7 600Nm with a 250 pax payload - near on a par with the 787-8's specs, so, yes, pretty damn close sounds about right  

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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 6:05 pm

Quoting KC135TopBoom (Reply 8):
How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?

It was worth for 767, it will be worth for A330.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 6:26 pm

I’d love to see them drop the A358 and use its engines to do an A330NEO. They could even use the T1000 from the 787, both engines are slightly more powerful but as someone said in the Airbus Press Release thread in theory the A330 wings should be able to support up to 275t so another MTOW bump wouldn’t be out the question.

I think it would be very competitive with the 787-8, perhaps even better than the first few very overweight ones.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 6:37 pm

Quoting BlueSky1976 (Reply 19):
It was worth for 767, it will be worth for A330.

It's not quite as clear-cut. The 767 has rather short wings for an airliner its size and originally had no winglets. The A330 has much longer wings to start with and originally came with basic winglets.

That said, I expect it will still be worth it, especially as a retrofit.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 6:39 pm

Interesting! If this happens, I'd love to to see the US A330's get them. Would be the best looking aircraft ever!
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 6:43 pm

Quoting seabosdca (Reply 6):
This seems to be the pattern for larger airframes. Both the 757 and 767-300ER got blended winglets very late in the types' production run, and midway through their ultimate service lives.
Quoting carl50mq (Reply 17):
The A320 family, now the A330, and soon the A380 ?

Exactly what I though as well.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:15 pm

Initial thought: YES.

Why hasn't Airbus considered doing this before? IIRC, aren't the current "winglets" on the A330 pretty much worthless aerodynamically? >1% gains?

It's a shame we won't see any A340 with then.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:22 pm

Quoting ghifty (Reply 24):
It's a shame we won't see any A340 with then.

You know I'd also love to see them put on the A300 and A310 too.

I'd love to see the sharklets on the Monarch A300's.


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Even though they will probably will be retired by the time sharklets are in use, I'd love to see an TS 310 with them.


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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:26 pm

Quoting bavair (Reply 16):
I think the two could compliment each other, especially since the A358 isn't looking to bright at the moment. We'll see where the future will take us.

Exactly, Airbus should just dump the A358, focus on the A330NG, and hand the 787-9 a stronger competitor. A359 and 10 are 777 competitors/replacements.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:29 pm

Quoting bavair (Reply 16):
I think the two could compliment each other, especially since the A358 isn't looking to bright at the moment. We'll see where the future will take us.

I can think of 1 airline where that is already the case: TP. Now whether the airline will be around long enough that's a whole different can of worms  
Last year TP converted their A358 orders to A359s and more recently (last week?), canceled their additional options. That means that they are getting only 12 A359's to replace their current fleet of 16 A332/A343. What that means to me is that they are planning to keep some of the A332's in the fleet for a long time to come.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:38 pm

Quoting carl50mq (Reply 17):
The A320 family, now the A330, and soon the A380 ?

IIRC, when the A380 was designed, wingtip fences were chosen instead of raked wingtips, because the wingspan was already at a maximum for most airport gates. However, sharklets shouldn't take up any more room than the current wingtip fences, correct? Is it still a benefit for such a long-haul a/c?
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 7:50 pm

Quoting JerseyFlyer (Reply 3):
Presumably this will be for retrofit also - potentially a large market, whereas the forward market beyond what is already on order must surely start to shrink soon.

I don't think that is a safe assumption. Sharklets are not available for retrofit on the A320 since the wing is not strong enough without structural modifications.

Quoting bavair (Reply 16):
Quoting columba (Reply 15):
Quoting Burkhard (Reply 11):
Now please also a new engine and the A330 can be produced another 20 years.

What about the A350 then ?

I think the two could compliment each other, especially since the A358 isn't looking to bright at the moment. We'll see where the future will take us.

Airbus tried, but then decided for the A350 due to customer interest. I don't think we'll see any expensive overhauls like new engines. Sharklets/winglets are a relatively inexpensive design change and even better if retrofit is possible.

Quoting bonusonus (Reply 28):
However, sharklets shouldn't take up any more room than the current wingtip fences, correct? Is it still a benefit for such a long-haul a/c?

I would think that they will increase wingspan slightly, but I haven't seen Airbus give a number for the A320. The current A330 already has a wingtip extension, so there may be no increase for the A330, but rather a different shape.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 8:05 pm

Quoting Daysleeper (Reply 20):
I’d love to see them drop the A358 and use its engines to do an A330NEO. They could even use the T1000 from the 787, both engines are slightly more powerful but as someone said in the Airbus Press Release thread in theory the A330 wings should be able to support up to 275t so another MTOW bump wouldn’t be out the question.

You would have to solve the problem of ground clearance, the Trent 700 has a 97.4' fan, the T1000 112 and TXWB 118', it would be an expensive upgrade. Better to inject the technology in the T700 as they are doing.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 8:24 pm

Am I the only one who thinks this will help A333 sales? Most of the discussion seems to be A330NEO or A332 w/new winglets. The largest delta would be the 'wing fence' A333 going to better winglets. Thanks to new technology, the weight would be *less* than the A332 and yet would still provide the A332 more range.

I could see a 4% range improvement for the A333 from 5700nm to basically 5930nm. For TATL opperations (call it 4000nm missions), it would keep the type in the running versus the 738/739.

Quoting bavair (Reply 16):
think the two could compliment each other, especially since the A358 isn't looking to bright at the moment. We'll see where the future will take us.

In particular if there is a new engine. The A330 would have a mid-range niche.

However, Airbus lacks engineers for such a project. IMHO, an A330NEO is not the best use of limited resources. Let Aviation partners design the winglets.

Quoting carl50mq (Reply 17):
and soon the A380 ?

Only if the 80m box is relaxed.

Quoting astuteman (Reply 18):
By my reckoning, about 7 600Nm with a 250 pax payload - near on a par with the 787-8's specs, so, yes, pretty damn close sounds about right

  

It would also help with A330F economics...

Quoting bonusonus (Reply 28):
, sharklets shouldn't take up any more room than the current wingtip fences, correct?

Small wingspan increase.

Quoting RoseFlyer (Reply 29):
Sharklets/winglets are a relatively inexpensive design change and even better if retrofit is possible.

And may be outsourced. I strongly believe Airbus will outsource the wingle design change.


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JoeCanuck
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 8:40 pm

Who knows? In the end we may end up with a 350 mk1, in all but name. The 330 was a good candidate for the Al-li that was originally planned, and I believe the latest stuff is even lighter. The CFRP enthusiasm may be waning somewhat and the success of the 330 during the 787 delays may have breathed new life into the program as a whole.

The systems are modern enough to go forward...So add sharklets, al-li and improved engines...and a good plane is made even better. Factor in commonality and the impressive track record...the only potential fly in the ointment I can see is price.

If it's close to the same price as the 787, it could be a hot seller for years to come.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 8:54 pm

Quoting RoseFlyer (Reply 29):
Sharklets are not available for retrofit on the A320 since the wing is not strong enough without structural modifications.

While the second part of this statement is accurate, I'm not sure about the first. IIRC, JetBlue has already ordered them for retrofit.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 8:55 pm

Quoting KC135TopBoom (Reply 8):
How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?

Break it down:

Let's assume the average fuel burn for your typical ZRH-ORD flight would be around 50 tons for an A333 (I have no idea -yet- about actual figures, but it must be thereabout)

With a 2% improvement thats one ton per leg, make it return and that's two tons. Make it a daily flight and thats 365 x 2T = 730T a year. Now pick your typical large network carrier operating XXX longhaul flights a day and you're coming up with a pretty substantional number. Looking at rising fuel prices, eco tax being implemented and so forth I think it's totally worth it even for a 2% fuel improvement. Yes, i'm perfectly aware that this is not an accurate calculation, but i hope it gets the point across when looking at the big picture.

Tail tank technology on the A330 has a fuel saving effect of about 1% and they deemed it worthy enough to implement it, so why not sharklets for 2%?
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:08 pm

Airinsight ran some articles last year which would add some dimension to what is being discussed here.

Possibility of an A330 NEO http://airinsight.com/2011/07/18/how-about-an-a330neo-3/

Possibility of P&W making a GTF for the A330 http://airinsight.com/2011/09/12/pratt-whitney%E2%80%99s-dilemma/

While the fuel saving would be welcomed, I would also be interested to see where the additional MTOW can be used, is it with fuel only, or payload as well ?

240t is 7t above the current aircraft, I know from my performance calculations that I normally see the aircraft being performance limited in the 250-260t area with the Trent 700, i.e. well above the current MTOW.
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:17 pm

Quoting ferpe (Reply 30):
You would have to solve the problem of ground clearance, the Trent 700 has a 97.4' fan, the T1000 112

Airbus were already solving this for the old A350.....
Nitpick - the T1000 is 111" fan

Quoting zeke (Reply 35):
240t is 7t above the current aircraft

There are 238t A332's in service now. This is a further 2t on that

Rgds
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:17 pm

How much range would 7t of fuel add? Or is the A330 fuel capacity limited at max range?
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:30 pm

Quoting JoeCanuck (Reply 32):
Quoting carl50mq (Reply 17):
and soon the A380 ?

Only if the 80m box is relaxed.

Does anyone know how much over the 80 metre limit would the A380 go with sharklets? Can't be that much surely, and I'm sure most airports that cater for VLA would have allowed for a reasonable amount of extra clearance. If we're only talking 2 or 3 metres over, I can't see it being much of an issue for most airports.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:32 pm

Quoting Burkhard (Reply 11):
Now please also a new engine and the A330 can be produced another 20 years.

They already tried that with the A-350 Mk.I

Quoting blueshamu330s (Reply 13):
Amen

Any suggestions ?

Don't do it.

Quoting columba (Reply 15):
What about the A350 then ?

Exactly.

Quoting r2rho (Reply 14):
Now where would 2t MTOW+sharklets put the A330-200 PL-Range wise...I'd say pretty damn close to the 788.
Quoting astuteman (Reply 18):
By my reckoning, about 7 600Nm with a 250 pax payload - near on a par with the 787-8's specs, so, yes, pretty damn close sounds about right

It would still be some 30,000 lbs heavier, or more.

Quoting BlueSky1976 (Reply 19):
Quoting KC135TopBoom (Reply 8):
How much more effienicy can blended winglets have over the exsisting winglets on the A-330/-340? Would it really be worth the costs for a 1%-2% improvement?

It was worth for 767, it will be worth for A330.

The B-767 originally didn't have blended winglets, once installed they provided up to a 5% range improvement because of the reduced drag.

Quoting ghifty (Reply 24):
It's a shame we won't see any A340 with then.

Why not? It is the same wing, isn't it?

Quoting LGWflyer (Reply 25):
You know I'd also love to see them put on the A300 and A310 too.

How much engineering would be needed?

Quoting ikramerica (Reply 26):
Exactly, Airbus should just dump the A358, focus on the A330NG, and hand the 787-9 a stronger competitor. A359 and 10 are 777 competitors/replacements.

Just how long would it take Airbus to update it into an A-330NG/NEO? It is taking them 5 years to do it to the A-32X.

Quoting bonusonus (Reply 28):
Quoting carl50mq (Reply 17):
The A320 family, now the A330, and soon the A380 ?

IIRC, when the A380 was designed, wingtip fences were chosen instead of raked wingtips, because the wingspan was already at a maximum for most airport gates. However, sharklets shouldn't take up any more room than the current wingtip fences, correct? Is it still a benefit for such a long-haul a/c?

The blended winglets on the B-737NG and B-757 add about 6' to the wingspan. It may be as much as 10' added to the wingspan on the B-767.

Quoting RoseFlyer (Reply 29):
I would think that they will increase wingspan slightly, but I haven't seen Airbus give a number for the A320. The current A330 already has a wingtip extension, so there may be no increase for the A330, but rather a different shape.

I would guess the wingtip on the A-330 would have to be changed.
 
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:38 pm

Quoting astuteman (Reply 36):
Quoting zeke (Reply 35):
240t is 7t above the current aircraft

There are 238t A332's in service now. This is a further 2t on that

The present ACAP states 233t for the 333 but I have a note of an announced increase to 235t for the 333, can anyone verify this?

Quoting ikramerica (Reply 37):
How much range would 7t of fuel add? Or is the A330 fuel capacity limited at max range?

Here my payload-range chart for among others 332 and 333 (as usual might be a bit wrong in the details). Yes the 333 is fuel limited at spec range with a spec OEW. Make that a realistic OEW and you are into the MTOW part or at the break:

Payload range 351 vs 359 vs 333 vs 332 vs 77w vs 7810


Better winglets and more MTOW should bring about 600-800 nm more then the 233t version, any increase of MZFW remains to be seen. Should make a new 333 move into the range area of present fleet of 332s, not bad.

[Edited 2012-01-17 14:09:01]
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imiakhtar
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:38 pm

Quoting ikramerica (Reply 37):
How much range would 7t of fuel add?

7t will give you a little over one hour of flight.

Quoting ikramerica (Reply 37):
Or is the A330 fuel capacity limited at max range?

I'm guessing the improvements, if offered, will appear on the A330-200 first. The 330-200 is probably as far away from a fuel-volume limited aircraft as you could get!  
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:45 pm

Quoting KC135TopBoom (Reply 39):
They already tried that with the A-350 Mk.I

Which had garnered 200 orders before it was canned.

One of the great sadnesses - to me - of recent airline manufacture was the ferocity of the campaign against the original A350, driven, at least in part, by what Richard Aboulafia now calls "the drug like rush of the 787."

There were other issues. Qantas, for example, said that, with little to choose between the aircraft, a compelling reason for deciding against the then A350 was the sudden availability of 787 delivery slots in 2008.

That didn't work out so well.

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ferpe
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 9:46 pm

Quoting zeke (Reply 35):
While the fuel saving would be welcomed, I would also be interested to see where the additional MTOW can be used, is it with fuel only, or payload as well ?

@Zeke, do you often end up being MZFW limited? With what WV and cabin config in that case (have not done any checks on how a full load pans out theoretically for the 233t variant, anyway you know the real deal).
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 10:03 pm

Quoting astuteman (Reply 36):

There are 238t A332's in service now. This is a further 2t on that

That is not however for today’s A333. I am interested to see how these improvements work out in the sub 5000 nm range.

Quoting ikramerica (Reply 37):
How much range would 7t of fuel add?

If you take 400 kg off to carry that fuel to the end, it would be in the region of 550-600 nm

Quoting ikramerica (Reply 37):
Or is the A330 fuel capacity limited at max range?

On the A330 not normally, normally MTOW limited..

Quoting KC135TopBoom (Reply 39):

It would still be some 30,000 lbs heavier, or more.

The 788 OEW is current only about 1t lighter than the A332....and carries less payload.

Quoting ferpe (Reply 40):
The present ACAP states 233t for the 333 but I have a note of an announced increase to 235t for the 333, can anyone verify this?
Airbus To Launch ''New'' HGW A330-300 (235T) (by WINGS Nov 25 2010 in Civil Aviation)

Quoting ferpe (Reply 43):

@Zeke, do you often end up being MZFW limited?

Depends on the sector and the A330, we operate 3 different weight variations. On a 5 hr sector at times I have been MZFW limited and MLW limited. I have also been MTOW and MLW limited on 9 hrs sectors.
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seabosdca
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 10:21 pm

Quoting zeke (Reply 44):
The 788 OEW is current only about 1t lighter than the A332....and carries less payload.

That is only true for the very earliest build units.

Most 788s (including the ones currently on the assembly line) will be several tonnes lighter than those early build units.

[Edited 2012-01-17 14:21:57]
 
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zeke
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 10:24 pm

Quoting seabosdca (Reply 45):
Most 788s (including the ones currently on the assembly line) will be several tonnes lighter than those early build units.

Maybe 2-3 t? not 30,000 lb..... Still does not help it close the 5t payload advantage the A332 has.
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ikramerica
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 11:08 pm

Quoting imiakhtar (Reply 41):
I'm guessing the improvements, if offered, will appear on the A330-200 first. The 330-200 is probably as far away from a fuel-volume limited aircraft as you could get!  

But it would make A332/A333 viable 77E replacements for just about every route 77Es fly, other than the stupidly long ones that will be flown by 789 and A350 in the future fleets anyway.
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ghifty
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 11:18 pm

Quoting KC135TopBoom (Reply 39):
Why not? It is the same wing, isn't it?

I have a hard time believing that.. because if that was the case, Airbus could start delivering A340's with two engines instead of four.
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ferpe
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RE: Airbus Evaluating Sharklets For The A 330

Tue Jan 17, 2012 11:26 pm

Quoting ghifty (Reply 48):
Airbus could start delivering A340's with two engines instead of four.

The A330 is just that, that is the genius move at the time by A. They had 2 programs wanting the resources, A300-TA9 and TA11, they therefore combined them:

http://en.wikipedia.org/wiki/A340

The A330 is a twin version of the A340 with changes to suit.
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