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A Few Questions About The A320 Family  
User currently offlineN821NW From , joined Dec 1969, posts, RR:
Posted (1 year 3 months 4 days 9 hours ago) and read 2321 times:

I came across this picture of a LAN Airbus A318 with a very od reversing system, then I found out that it did not have the IAE V2500 or CFM56 engine, so since when does Airbus offer 3 engine choices for the Airbus A320 family?

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Photo © Andrés Contador - AirTeamImages



Oh and is it true that for the Airbus A319 and Airbus A320 the CFM56 is a better fit then the IAE V2500, and that for the Airbus A321 its the IAE V2500 that is better then the CFM56? And if so by how much?

I personally find that the Airbus A319's and A320's are much more attractive with the CFM56 engine as I find that the IAE V2500 is just to long for the fuselage, where as on the opposite side a Airbus A321 looks better with a IAE V2500 since that engine is longer, I find that Airbus A321 with the CFM56 engine looks underpowered. Now this is my opinion, but what is yours?  scratchchin 

[Edited 2013-05-27 13:50:09]

8 replies: All unread, jump to last
 
User currently offlineSpaceshipDC10 From Canada, joined Jan 2013, 1724 posts, RR: 3
Reply 1, posted (1 year 3 months 4 days 9 hours ago) and read 2280 times:

Quoting N821NW (Thread starter):
so since when does Airbus offer 3 engine choices for the Airbus A320 family?

If I remember well, the PW6000 was designed specifically for the A318. CFM engines are also available for it. All other A320-family members are powered by either CFM56 or IAE V2500 engines.



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User currently offlineN821NW From , joined Dec 1969, posts, RR:
Reply 2, posted (1 year 3 months 4 days 9 hours ago) and read 2224 times:

Quoting SpaceshipDC10 (Reply 1):
If I remember well, the PW6000 was designed specifically for the A318. CFM engines are also available for it. All other A320-family members are powered by either CFM56 or IAE V2500 engines.

Thanks for that info, I find myself quite stupid to not know this considering that the A320 family is one of my all time family's of airplanes ever built. If I may ask why did Airbus offer 3 engine choices for only the A318 variant? Would it not have been a better investment to make it work (I'm not sure its possible or not so please don't    me) work on the entire Airbus A320 family? Because I am guessing that it must not be cheap for neither Airbus or Pratt&Witheny to design a engine and make it only work for such a small market. Talking about that how many Airbus A318 operators uses/used the Pratt&Witheny PW6000?


User currently offlineSpaceshipDC10 From Canada, joined Jan 2013, 1724 posts, RR: 3
Reply 3, posted (1 year 3 months 4 days 8 hours ago) and read 2211 times:

Quoting SpaceshipDC10 (Reply 1):
If I may ask why did Airbus offer 3 engine choices for only the A318 variant?

The choice is only between two engines:

http://www.airbus.com/aircraftfamili...ft/a320family/a318/specifications/

Quoting N821NW (Reply 2):
Talking about that how many Airbus A318 operators uses/used the Pratt&Witheny PW6000?

I don't know but you can find out by going through some production list like on the link below. PW-powered aircraft are A318-121, the 2 means it is equipped tiwh Pratt & Whitney engines.

Quoting N821NW (Reply 2):
Because I am guessing that it must not be cheap for neither Airbus or Pratt&Witheny to design a engine and make it only work for such a small market.

If you don't know it already, IAE is a joint venture between several engine manufacturers, including P&W. Rolls Royce used to be part of it.



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User currently offlineN821NW From , joined Dec 1969, posts, RR:
Reply 4, posted (1 year 3 months 4 days 8 hours ago) and read 2198 times:

Thanks for the info SpaceshipDC10, I had never realized that there where no Airbus A318's with IAE V2500's...I must be the dumbest Airbus A320 Family Fan   . I will go and see how many -121's where built. Yes I knew that Rolls-Royce was part of the IAE joint venture but I was not aware that Pratt&Witheny was to, but even if they where/are in the IAE joint venture they still had to pay there engineers for designing 2 separate engines...

User currently offlineN821NW From , joined Dec 1969, posts, RR:
Reply 5, posted (1 year 3 months 4 days 8 hours ago) and read 2189 times:

After a quick look on the internet ( http://www.planespotters.net/Production_List/Airbus/A318/ ) I saw that only 15 Airbus A318-121's where ever built and of them only 11 are still in service (11 for Avianca Brasil and 4 for LAN [all retired]), what where the numbers for the Pratt&Witheny PW6000? Considering that only 15 where ever built I'm guessing that either airlines ordered the -111's because they have the same engine as the Airbus A319's, Airbus A320's and Airbus A321's or that the Pratt&Witheny PW6000 engine had terrible numbers (which I would be surprised).

User currently offlineSpaceshipDC10 From Canada, joined Jan 2013, 1724 posts, RR: 3
Reply 6, posted (1 year 3 months 4 days 8 hours ago) and read 2178 times:

It seems that Pratt & Whitney experienced some difficulties with its engine...

http://en.wikipedia.org/wiki/Airbus_A318#Design_phase



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User currently offlineN821NW From , joined Dec 1969, posts, RR:
Reply 7, posted (1 year 3 months 4 days 8 hours ago) and read 2176 times:

Well that explains why only 15 -121's where ever built....

User currently offlineLH707330 From United States of America, joined Jun 2012, 754 posts, RR: 0
Reply 8, posted (1 year 3 months 4 days 3 hours ago) and read 2100 times:

N821NW,

Wikipedia has some decent info about the engines. As an overall summary, the CFM56 is better than the V2500 for short trips because it's lighter, lower mx costs, but higher TSFC. The V2500 is also optimized for a slightly higher thrust level, hence it's ubiquity on the 321. Pratt did the PW6000 for the A318, but had a big SFC miss and so Airbus offered the CFM56 as a second option, because it was the next smallest engine (not as big of a weight hit). A number of the A318 customers already had CFM56s in their larger 320s (AF, F9, etc), so that may also have played a role.

Quoting N821NW (Reply 4):
I must be the dumbest Airbus A320 Family Fan

Welcome to a.net. You're not the dumbest 320 fan if you're asking questions like that. There are some really experienced people on here who make a bunch of us look foolish. Give it 20 years of a.nutting and you'll get there too 


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