ferdinando
Posts: 8
Joined: Thu Feb 01, 2007 10:31 pm

What Is The Actual New Range Of 772LR?

Mon Apr 09, 2007 1:44 am

I have read on many thread that 772LR should be unable to perform Sydney-London all year round. Well, I shall try to make the point.
A well informed member of this forum said that the still air range (301 pax and baggage) is 9700 nm. The last version of 772LR to be delivered
to Air India is with 266 pax. What means to spare 3.500 ks. A manager of Boeing told recently to ATWonline that this plane has received some
upgrade (i.e. less structural and interior weight), and all that should be, with three or more auxiliary tanks, more than enough to fly 21 hours
with 266 pax (the weight spared should be enough to reach the amount of fuel to 170 tons). Has someone technical data to evaluate
the amount of fuel necessary in winter to perform Sydney-London with 266 pax, that already should be possible to perform taking
account of all these information? Has to this date anyone ordered a 772LR with three optional tanks?
 
co777er
Posts: 391
Joined: Sat Jun 04, 2005 6:56 am

RE: What Is The Actual New Range Of 772LR?

Mon Apr 09, 2007 6:59 am

Here's a range chart from Boeing:
http://www.boeing.com/commercial/777family/pf/777_range_la.pdf

Also from Boeing:
9,420 nautical miles
(17,446 km)
Typical city pairs: New York-Singapore; Perth-London; New York-Auckland; Chicago-Sydney; Miami-Taipei
(Approx. 19 hours)
 
Boeing7E7
Posts: 5512
Joined: Sat Jul 31, 2004 9:35 pm

RE: What Is The Actual New Range Of 772LR?

Wed Apr 11, 2007 6:30 pm

At max payload the range is 7,500 nm. To reach 9,420 takes a payload penalty of 51,000 lbs which is the end of it's economic range without super premium fares. The chart above is pax only ranges.
 
highflyer9790
Posts: 1189
Joined: Thu Jul 07, 2005 1:21 am

RE: What Is The Actual New Range Of 772LR?

Thu Apr 12, 2007 6:28 am

From Boeing's Website:

777-200LR WorldLiner:

9,420 nautical miles
(17,446 km)
Typical city pairs:
New York-Singapore
Perth-London
New York-Auckland
Chicago-Sydney
Miami-Taipei
(Approx. 19 hours)


http://www.boeing.com/commercial/777family/pf/pf_lrproduct.html
121
 
Boeing7E7
Posts: 5512
Joined: Sat Jul 31, 2004 9:35 pm

RE: What Is The Actual New Range Of 772LR?

Thu Apr 12, 2007 2:14 pm

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