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small & long range aircraft  
User currently offlineDC10-30 From , joined Dec 1969, posts, RR:
Posted (15 years 8 months 4 days 14 hours ago) and read 4887 times:

Why all long range aircraft are big airplanes? Is it (technically & commercially) possible to imagine a B737/A320 with the range of a B777/A340 (about 9000 nm)?
Thanks!

9 replies: All unread, jump to last
 
User currently offlinejz From United States of America, joined May 1999, 252 posts, RR: 0
Reply 1, posted (15 years 8 months 4 days 14 hours ago) and read 4887 times:

Not all long range aircrafts are big plane. Several business jets have ranges over 6000 nm. However, they are not for average consumers.

The long range aircrafts for airline use are all designed as big aircrafts based mostly on economic reasons, as you can imagine. The airlines will meet with Boeing or Airbus and ask the question: based on my capital budget, the appreciation cost, the fuel cost, labor cost, etc, how much passengers and cargo I need to fly from point A to point B to be profitable. Now also factor in world economic outlook, consumer demand, current technology, etc, what should be the size of the aircraft?

It's technically possible to fill the cabin and the cargo hold of a 737 with fuel tanks and make it a long range aircraft. But what's it for other than ferry it from point A to Point B?



User currently offlineMirage From Portugal, joined May 1999, 3125 posts, RR: 14
Reply 2, posted (15 years 8 months 4 days 11 hours ago) and read 4887 times:

The 737 is quite smaller than the 777 so it must have smaller fuel tanks.
737's tanks carry less fuel than 777 tanks, so, 737's range must be smaller than 777 range.
The same with A320 and A340.

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Mirage, Faro, Portugal


User currently offlineCX747 From United States of America, joined May 1999, 4454 posts, RR: 5
Reply 3, posted (15 years 8 months 4 days 10 hours ago) and read 4887 times:

You also have to think of the profitability or lack there of when operating a 737 on a long range route instead of a 747. You have a lot less passengers and therefore less profit.


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User currently offlineVirgin Atlantic From , joined Dec 1969, posts, RR:
Reply 4, posted (15 years 8 months 4 days 7 hours ago) and read 4887 times:

I think that topic should have read Short and long range planes. But BA has flown 747-400 many times to Paris from London. But they need a Islander to fly London to the falkalnds as only 1000 tourist go there a year! ANd they only fly down there twice a week.
Iain


User currently offlineL-188 From United States of America, joined Jul 1999, 29802 posts, RR: 58
Reply 5, posted (15 years 8 months 4 days 2 hours ago) and read 4887 times:

Alaska Airlines put extra tanks in the bellies of a couple of it's MD-80's and where flying them nonstop from Anchorage to Vladivostok russia. They cut that out because of the economy over there. Reeve Aleutian Airways now flys that route as a one stop with 727's but sometimes the Electra subs in nonstop.

Also the 757 is aproved for 180 min ETOPS and the A-319 and A-321 have 120 min aproval. I don't know about the A-320, didn't say in the Janes all the worlds aircraft but I would imagine that it is the same.



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User currently offlineWill From Australia, joined May 1999, 79 posts, RR: 0
Reply 6, posted (15 years 8 months 4 days 2 hours ago) and read 4887 times:
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G'day All.
Nothing is impossible with today's technology, and yes it could be done. But it wouldn't be too practical unfortunatly to make 9000 NM, it would have to have a much larger wing and more powerful engines to do the job, and in the end it would lose out economically.
Hope this is some help..
See yah...
Will.....


User currently offlineMirage From Portugal, joined May 1999, 3125 posts, RR: 14
Reply 7, posted (15 years 8 months 3 days 9 hours ago) and read 4887 times:



User currently offlineMirage From Portugal, joined May 1999, 3125 posts, RR: 14
Reply 8, posted (15 years 8 months 3 days 9 hours ago) and read 4887 times:



User currently offlineMirage From Portugal, joined May 1999, 3125 posts, RR: 14
Reply 9, posted (15 years 8 months 3 days 9 hours ago) and read 4887 times:



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