lanperu
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How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 3:17 pm

Ok, I don't want to spark an A vs. B war, I just want to know, how much faster would a 777 be on a route that normally takes 8:35 on the A340. Also, which would be more economical?
 
Red Panda
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 3:38 pm

AFAIK, 777 economic cruising speed is .84 mach, 340 is around .83.

all other things being equal, 777 will no more faster than 340 for 15mins.

r panda
 
SInGAPORE_AIR
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 4:18 pm

Singapore - Paris used to take 14 hours and 30 minutes on an Airbus A340-300X Celsetar (25 Oct 1998 - 27 March 1999)
Singapore - Paris now takes 13 hours 40 minutes on a Boeing 747-400 Megatop (28 October 2001 - 20 March 2002)

Singapore - Paris is reportedly 15 - 20 minutes faster on a Boeing 777-200 (14 hours 10 minutes - 14 hours 5 minutes) (Articles, SIA rumours)
Anyone can fly, only the best Soar.
 
donder10
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 4:35 pm

I thought the 343 cruised at .82 especially since Airbus are making a big deal of the 340NG cruising at .83
 
mightyfalcon
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 5:06 pm

Everytime I'm working night shift, I'm dealing with many flights from Asia (Singapore, Kuala Lumpur, Hong Kong...) to Europe. So I can tell you this:

The A340s are cruising at M0.82 while the B777s M0.84, whatever the airline operating them.


Regards
MightyFalcon
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rlwynn
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 5:09 pm

Not to start a war, but the 340 takes quite a bit longer to reach cruise altitiude. The 777 can reach altitude in one hop.
I can drive faster than you
 
Tom_EDDF
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 6:16 pm

Afaik, the A340 is also able to reach altitude in one hop. It just certainly takes longer.
 
Mr.BA
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RE: How Much Faster Is The 777 Vs. A340?

Sun Jun 23, 2002 9:50 pm

True, the A340 takes a bit longer to take it to cruise.

A340 = .82

B777 = .84
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Red Panda
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 4:50 pm

and 747-300 & 747-400 cruise at .85

r panda
 
Mr.BA
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 4:58 pm

But anyway cruising mach of airplanes do'nt go 'by the book'. Wind, temperature, cost index.. etc affects the cruising mach. The B777-300 can go up to .87 if necessary.
Boeing747 万岁!
 
Hardkor
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 5:20 pm

whenever I watch the A340 takeoff, it looks so painfully slow. I wouldn't mind flying on one, but I can imagine that it would take some time to reach cruising altitude. Also, don't two engined aircraft generally climb faster than four engined ones?
 
Mr.BA
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 5:27 pm

The A340 you see was using FLEX thrust probably. If not, it can lift off pretty fast.
Boeing747 万岁!
 
jesseycy
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 5:31 pm

Once again, not to start another war, but really, the A340 is gives the impression of a snail sometimes.... The takeoff, the crusing, well, even the noise, I find the A340 much more quiet.......

But unlike other people, I really like the slow takeoff, there's nothing like the rumble of a CX A340 down Auckland's runway, taking forever to takeoff......
 
Red Panda
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RE: How Much Faster Is The 777 Vs. A340?

Tue Jun 25, 2002 5:46 pm

Well, tonight I saw CX829 takeoff on rwy 33R. First when I saw it, I thought it was taxi-ing, but the speed was definitely faster than normal taxi speed. And later it started to pick up when it was half way down to the rwy.

Pax load is full tonight.

r panda
 
boeing767-300
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Re Flex Thrust

Wed Jun 26, 2002 9:23 am

MR BA The A340 you see was using FLEX thrust probably. If not, it can lift off pretty fast

I love that excuse for A340 Performance. Its a polite way of saying underpowered Thats why there is a 340NG and Trent powered 500 and 600s. A340s could have/ or should have had higher thrust engines from the beginning. I don't think many die hard A340 fans would disagree there.
 
MD-11 forever
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RE: How Much Faster Is The 777 Vs. A340?

Wed Jun 26, 2002 12:28 pm

Boeing767300
The 340 is definitely NOT underpowered, otherwise it would be unsafe, and therefore also the authorities wouldn't have issued the certificate, right?The 340NG is a "little" bigger, that's the main reason for the Trent engines, nothing else!! Didn't you happen to hear that airlines are more worrying about economics than to have a fancy overpowered (and therefore uneconomical) plane?
Just to make clear, I'm not a "die hard" A340 Fan,as you can see from my username......

Cheers, Thomas
 
bobcat
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RE: How Much Faster Is The 777 Vs. A340?

Wed Jun 26, 2002 12:36 pm

perhaps that's what those China Airlines A340 pilots were thinking when they took off from the Anchorage taxiway(not the runway) a few months ago...

they would have cleared the snow berm with higher-thrust engines, instead of the regular ones that came on their stock A340s....  Big grin
 
mandala499
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RE: How Much Faster Is The 777 Vs. A340?

Wed Jun 26, 2002 10:30 pm

I was fortunate enough to be able to experience a non-Flex T/O of an A340 with Kuwait Airways, not as dismal as Flex T/Os... Pretty comparable to other planes...

Mandala499
When losing situational awareness, pray Cumulus Granitus isn't nearby !
 
LMP737
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RE: How Much Faster Is The 777 Vs. A340?

Thu Jun 27, 2002 1:27 am

I read in AvWeek a couple years ago that Singapore Airlines 777 flying to Europe will arrive a about 20-30 before a Singapore Airlines A340 flying the same route.
Never take financial advice from co-workers.
 
donder10
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RE: How Much Faster Is The 777 Vs. A340?

Thu Jun 27, 2002 2:18 am

The 340 IS underpowered compared to the 772 but there are obvious reasons for that.It was certainly fun to watch the Tahiti departure from CDG!
 
sunilgupta
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RE: How Much Faster Is The 777 Vs. A340?

Thu Jun 27, 2002 2:35 am

As a friend at FRA told me: The A340 is the only airliner with five APUs  Smile/happy/getting dizzy

Can someone explain what FLEX thrust is?

Sunil
 
lanperu
Posts: 602
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RE: How Much Faster Is The 777 Vs. A340?

Thu Jun 27, 2002 3:02 am

Yeah, I am wondering the same, what it 'flexthrust'?

Also, if the 772 IS faster, then how much faster would it fly a leg that takes 8h35m?

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