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Accueil >> Forum >> The differents: Forum Aviation civile
The differents:
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Message de flylinefrontier - Envoyé le 26 Nov 21:02 |
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Message de speedbird9468 - Envoyé le 27 Nov 0:43 |
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Message de EI-DUB - Envoyé le 27 Nov 0:52 |
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I think pretty much all 330s that roll off the line these days are E they are just improved on the original version, I know for example that 330-300E have the range of old 330-200s, which makes them very attractive planes, bigger load available and longer range.
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Message de Spot planes - Envoyé le 27 Nov 3:32 |
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The general format of the Airbus numbering system is Ammm-sevZ where the individual components are described below.
* Ammm = model number
* s = series number
* e = number defining the engine manufacturer
* v = number defining the version of the engine model
* Z = optional letter describing a variation of the series number
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Message de Spot planes - Envoyé le 27 Nov 3:34 |
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The series number refers to the different variants of a particular model that have been developed. Standard series numbers used by Airbus include 1 for 100, 2 for 200, etc. The primary exception to this system is the A300. The original series number designations used for variants of this model included the B1, B2, and B4 for passenger models as well as the C4 for a convertible freighter version. Later production variants of the A300 were designated as the A300-600 to become consistent with the rest of the Airbus product line.
The engine manufacturer codes that have been assigned to date include the following.
* 0 = General Electric (GE)
* 1 = SNECMA
* 2 = Pratt & Whitney (PW)
* 3 = International Aero Engines (IAE)
* 4 = Rolls-Royce (RR)
* 5 = Engine Alliance (joint venture of GE and PW)
The final number denotes newer versions of the basic engine model. These numbers appear to start at 1 for the original engine and increase sequentially for updated engines.
An optional letter sometimes follows the series of numbers to designate a variation on the series number. Common examples include the following.
* C = convertible passenger/freighter model
* F = freighter model
* R = long range model
* X = enhanced model (?)
info from this web site:
http://www.aerospaceweb.org/question/planes/q0276a.shtml
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Message de flylinefrontier - Envoyé le 27 Nov 21:38 |
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In some of the A340-600, there is airlines that ordered A340-600LR! Then if you try searhing in websites, there is no engines different! Why? Do they just make the fuel tank bigger, thats not possble! The manufacture already desigined the first concept of the model's fuel tank as big as they can!
In boeing, everything is so clearly, you can know whats the different of B777, B777ER and B777LR in a seconds! (engines type)
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Message de FLX - Envoyé le 28 Nov 11:22 |
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Manufacturers can and hv varied design of a plane slightly(No change in engines or wings) to gain a little more range such as adding fuel tanks in the belly and reducing weights in other parts of the airframe. To do that, U need to sacrifice cargo space and look for ways(e.g. Lighter parts, less equipment, reduce max payload/pax, etc.) to loose weight so that the certified MTOW remain the same. However, this usually means a less commercially productive(i.e. trip cost about the same but carry less & make less $) aircraft than the original for the sake of range. However, such modification isn't popular with airlines and usually done for the unique needs of a few customers. Examples include: DC-10-30ER(CP Air), 747-400ER(QF), A319LR, 737-700ER(NH), etc....all with extremely low production #s.
See, manufacturers DON'T necessarily design the original model with fuel tanks as big as they can because aircrafts must make enough $ for MOST airlines, not just a few airlines with special range needs.
Both A and B do Enhanced/Modified versions for types with or without engine diff. It's just that A seem to do this a bit more frequently(So they hv more model names) but typically in smaller change package and B do it less but usually in bigger change package. It's just diff mkt strategy and we can't say 1 is better than the other. A respond to specific customer needs quicker but with smaller changes while B ask customer to wait longer with bigger changes.
I can argue that in some cases, A hv simpler names to start with than B for similar aircrafts designed for the same mission with similar performance. All A models hv more simple names(Less digits/shorter) than B as below:
777-200ER vs 340-300
777-200LR vs 340-500
777-300ER vs 340-600
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