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A380 question (Read 3825 times)
Aug 2
nd
, 2006 at 3:37pm
PlutonianEmpire
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I've heard that the A380 can fly from London to Sydney. Is it true, or is it just hype?
&&There is no escaping the Plutonian Empire!!!!
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Reply #1 -
Aug 2
nd
, 2006 at 4:02pm
`Josh
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Just hype, at least for the -800 model. Its range is about 15,000 kilometers, and from London to Sydney is 16,997 kilometers. However, there may be an extended range version that could do the trip.
Here endeth the lesson.
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Reply #2 -
Aug 2
nd
, 2006 at 4:16pm
C
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Quote:
I've heard that the A380 can fly from London to Sydney. Is it true, or is it just hype?
I'm sure it could if it tried. Doubt it would have any passengers on board though...
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Reply #3 -
Aug 3
rd
, 2006 at 3:45pm
Craig.
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there are a couple of planes that can do london Sydney, its Sydney london thats the problem.
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Reply #4 -
Aug 4
th
, 2006 at 1:57am
cheesegrater
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Quote:
there are a couple of planes that can do london Sydney, its Sydney london thats the problem.
What's the difference?
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Reply #5 -
Aug 4
th
, 2006 at 7:30am
Craig.
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the wind, you have a tailwind thanks to the jetstream, which helps with fuel saving. on the way back its a headwind.
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Reply #6 -
Aug 4
th
, 2006 at 7:57pm
Woodlouse2002
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the wind, you have a tailwind thanks to the jetstream, which helps with fuel saving. on the way back its a headwind.
Inless you keep going east.
Then it's a bloody long way though...
Woodlouse2002 PITA and BAR!!!!!!!!&&&&Our Sovereign Lord the King chargeth and commandeth all persons, being assembled, immediately to disperse themselves, and peaceably to depart to their habitations, or to their lawful business, upon the pains contained in the Act made in the first year of King George the First for preventing tumults and riotous assemblies. God Save the King.&&&&Viva la revolution!
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Reply #7 -
Aug 8
th
, 2006 at 1:36pm
Bpilot0
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they A380 can fly hlafway around the world
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Reply #8 -
Aug 8
th
, 2006 at 1:40pm
Woodlouse2002
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Quote:
they A380 can fly hlafway around the world
That it may. But more often than not I reckon you'd run out of fuel over an ocean.
Woodlouse2002 PITA and BAR!!!!!!!!&&&&Our Sovereign Lord the King chargeth and commandeth all persons, being assembled, immediately to disperse themselves, and peaceably to depart to their habitations, or to their lawful business, upon the pains contained in the Act made in the first year of King George the First for preventing tumults and riotous assemblies. God Save the King.&&&&Viva la revolution!
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Reply #9 -
Aug 8
th
, 2006 at 1:48pm
Bpilot0
Ex Member
they A380 can fly hlafway around the world without stopping
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Reply #10 -
Aug 8
th
, 2006 at 6:40pm
Jakemaster
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Quote:
they A380 can fly hlafway around the world without stopping
But thats only halfway, and pretty much wherever you start out and whatever direction you go you end up in an ocean halfway across the world
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Reply #11 -
Aug 11
th
, 2006 at 5:31pm
Chris E
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it may be able to make it, but not with the legally required reserve fuel would be my guess
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Reply #12 -
Oct 16
th
, 2006 at 5:12pm
Poseidon
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Do you know what is the standard hourly fuel consumption for the A380? By saying "standard" I mean normal cruising like FL380/0.85M.
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Reply #13 -
Oct 20
th
, 2006 at 12:51am
Boomtown Rat
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It can't do London to Sydney, but apparently it can do London to Perth, so Perth Int'l is trying (or already is) to become A380 capable.
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Reply #14 -
Oct 29
th
, 2006 at 7:27pm
Kaworu
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just making it easier to spread the next plauge.
I'm seriuos!
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Reply #15 -
Nov 6
th
, 2006 at 8:52am
Ashar
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The only thing that can do that flight is the Boeing 777-200LR
&&
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Reply #16 -
Nov 8
th
, 2006 at 8:13pm
Alonso
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Does this --
http://seattlepi.nwsource.com/business/247908_qantas11.html
-- means that the triple 7 can? What about the a340-500 or -642
Core i5 2500k @ 3.8 - 8GB DDR3 - GTX 560 OC - 60GB SSD - 1TB HDD - Cyborg V.1 stick
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Reply #17 -
Nov 12
th
, 2006 at 12:50pm
PlutonianEmpire
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Another question: why is there no GE engine option? Surely it'd be only fitting that the worlds largest airliner be fitted with the GE-90 engines, the worlds largest jet engine?
&&There is no escaping the Plutonian Empire!!!!
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Reply #18 -
Nov 12
th
, 2006 at 5:48pm
Nexus
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Another question: why is there no GE engine option? Surely it'd be only fitting that the worlds largest airliner be fitted with the GE-90 engines, the worlds largest jet engine?
GE90 design is not suitable for quads.
It s too heavy and packs too much power.
Simply put, the A380 dont need the excessive thrust and certainly can live without the additional weight.
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Reply #19 -
Nov 12
th
, 2006 at 6:37pm
PlutonianEmpire
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Wouldn't the additional power offset the additional weight?
&&There is no escaping the Plutonian Empire!!!!
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Reply #20 -
Nov 12
th
, 2006 at 8:12pm
Woodlouse2002
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Wouldn't the additional power offset the additional weight?
It doesn't need it. And what would be the point?
Woodlouse2002 PITA and BAR!!!!!!!!&&&&Our Sovereign Lord the King chargeth and commandeth all persons, being assembled, immediately to disperse themselves, and peaceably to depart to their habitations, or to their lawful business, upon the pains contained in the Act made in the first year of King George the First for preventing tumults and riotous assemblies. God Save the King.&&&&Viva la revolution!
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Reply #21 -
Nov 13
th
, 2006 at 9:42am
Nexus
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Wouldn't the additional power offset the additional weight?
Additional power means additional fuel consumption to cope with the added weight... And you can't increase the volume of the fueltanks.
Congrats, you have just reduced the range of the A380.
I'm sure the airlines enjoy that.
Also, read Woodlouse's reply. Pretty much sums it up.
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Reply #22 -
Nov 13
th
, 2006 at 10:44am
PlutonianEmpire
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Stupid me. I thought it would increase the range. *bangs head on wall*
&&There is no escaping the Plutonian Empire!!!!
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Reply #23 -
Nov 13
th
, 2006 at 11:20am
Nexus
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Stupid me. I thought it would increase the range. *bangs head on wall*
More powerful engines doesnt necessary equal increased range. I bet that four GE90's will consume considerably more amount of fuel than the current engines available for the A380.
Also throw in the jet engines need for high RPMs to be effective, you soon realize that this can not be done. If you'd keep four GE90's at 90% in cruise, you'd exceed MMO
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Reply #24 -
Nov 14
th
, 2006 at 6:00am
chornedsnorkack
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Actually, GE-90 or its Rolls-Royce equivalent should be pretty comfortable to power a A380-sized trijet.
So would you like to fly a doubledecker trijet? And would you prefer to mount a GE90 in the tailcone with S-duct, like Tristar, ot above tail like DC-10 and MD-11?
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Reply #25 -
Nov 14
th
, 2006 at 7:00am
Nexus
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An A380 tri-jet, now that is interesting
For design purposes I'd put an S-duct.
The A380-800 is a rather chubby aircraft and would not like to lose some of the rudder surface that has to be sacrificed in order to give way to a straight duct (á la DC10)
And should we make the tailplane higher, then it wont fit in hangars
With an S-duct, you pretty much leave the rudder intact, at the cost of some engine efficiency. But that's rather minimal I believe ???
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Reply #26 -
Nov 14
th
, 2006 at 9:38am
PlutonianEmpire
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Quote:
Actually, GE-90 or its Rolls-Royce equivalent should be pretty comfortable to power a A380-sized trijet.
So would you like to fly a doubledecker trijet? And would you prefer to mount a GE90 in the tailcone with S-duct, like Tristar, ot above tail like DC-10 and MD-11?
Heck yeah!
I'd choose the S-duct style.
&&There is no escaping the Plutonian Empire!!!!
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Reply #27 -
Nov 15
th
, 2006 at 6:26am
chornedsnorkack
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More powerful engines doesnt necessary equal increased range. I bet that four GE90's will consume considerably more amount of fuel than the current engines available for the A380.
Also throw in the jet engines need for high RPMs to be effective, you soon realize that this can not be done. If you'd keep four GE90's at 90% in cruise, you'd exceed MMO
Er, why MMO?
If you add power to a plane then I do not think it increases range... see Virgin Atlantic GlobalFlyer, which is deliberately underpowered.
What adding power does do:
Your takeoff roll gets shorter (assuming the rotation speed is unchanged). But the braking distance in a rejected takeoff is not getting any shorter.
Initial climb gradient gets steeper - more excess power, easier to clear terrain ahead, less time to reach a given flight level.
Cruise altitudes increase - after all, a plane climbs until the engines derate to equal drag...
Landing roll is not getting any shorter. However, the gradients of go-around get better.
So... there was recently a 747 that landed in Rand Airport. 1500 m runway, and it is hot and high! Can A380 do the same?
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Reply #28 -
Nov 15
th
, 2006 at 10:04am
Nexus
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I was talking about the cruise phase.
Any jet engine likes to run at high rpms, or else the relationship between fuel burn and thrust produced will be worse.
SO...if you run all four GR90s on high RPMs the aircraft will likely exceed the barberpole, since the aircraft is greatly overpowered .
The cruise altitude will increase, but due to regulations the A380 might not be able to fly higher unless the environmental system is re-designed (On most jets it is not the structural strenght that limits the operating ceiling, but the pressurization system)
And I never did say the A380 would gain range, I was saying it will LOSE range with four GE90's
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Reply #29 -
Nov 15
th
, 2006 at 10:45am
chornedsnorkack
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Quote:
I was talking about the cruise phase.
Any jet engine likes to run at high rpms, or else the relationship between fuel burn and thrust produced will be worse.
SO...if you run all four GR90s on high RPMs the aircraft will likely exceed the barberpole, since the aircraft is greatly overpowered .
The cruise altitude will increase, but due to regulations the A380 might not be able to fly higher unless the environmental system is re-designed (On most jets it is not the structural strenght that limits the operating ceiling, but the pressurization system)
And I never did say the A380 would gain range, I was saying it will LOSE range with four GE90's
Indeed. That´s where I am inclined to agree. A380 is probably not underpowered to the extent where adding power would increase range. Mind you, there is still the phase of climb to cruise, though.
Does loss of power decrease range? One of the Route Proving Flights is supposed to be Johannesburg - Sydney - over the South Pole. Would you like being on an A380 over the interior of Antarctic continent and lose power in one engine - would the fuel last to Sydney?
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Reply #30 -
Nov 15
th
, 2006 at 4:42pm
Nexus
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No the range will decrease if you lose power on one engine aswell because of the added drag penalty (must reduce altitude plus having rudder trim and a windmilling engine)
But that is a different phenomenon compared to why four GE90s will decrease the A380 range. Heck it might even be more economical to operate the A380 with 3/4 GE90 engines running
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Reply #31 -
Nov 15
th
, 2006 at 4:53pm
PlutonianEmpire
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No the range will decrease if you lose power on one engine aswell because of the added drag penalty (must reduce altitude plus having rudder trim and a windmilling engine)
But that is a different phenomenon compared to why four GE90s will decrease the A380 range. Heck it might even be more economical to operate the A380 with 3/4 GE90 engines running
Hence the tri-jet idea.
&&There is no escaping the Plutonian Empire!!!!
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Reply #32 -
Nov 20
th
, 2006 at 4:08am
chornedsnorkack
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No the range will decrease if you lose power on one engine aswell because of the added drag penalty (must reduce altitude plus having rudder trim and a windmilling engine)
But that is a different phenomenon compared to why four GE90s will decrease the A380 range. Heck it might even be more economical to operate the A380 with 3/4 GE90 engines running
Losing power probably reduces range even if there is no rudder trim, like losing centre engine on trijet. Reducing altitude should make range worse.
But does adding power, and thus reaching higher altitude, add range or decrease it?
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Reply #33 -
Dec 16
th
, 2006 at 10:17pm
eniranjanrao
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PlutonianEmpire wrote
on Aug 2
nd
, 2006 at 3:37pm:
I've heard that the A380 can fly from London to Sydney. Is it true, or is it just hype?
Yes It can with a lighter payload.
I've been banned for constantly ignoring the forum rules, spamming, being abusive to mods and making false accusations against them. They've modified this profile to show everyone what happens to obnoxious foul-mouthed little idiots!
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Reply #34 -
Dec 25
th
, 2006 at 8:37am
DizZa
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The A380 CAN fly from Sydney from London nonstop. The A380 CAN'T do it with much of a load, making it not very profitable to do so. Boeing needs to chuck more fuel into the 772LR or Qantas needs to order the long range A350 variant, but that is doubtful because they've already ordered 50? 787's.
Renember, a Qantas 744 flew from Sydney to London, but that dosn't mean you'll see it happen commercially.
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Reply #35 -
Dec 27
th
, 2006 at 9:01am
chornedsnorkack
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The A380 CAN fly from Sydney from London nonstop. The A380 CAN'T do it with much of a load, making it not very profitable to do so. Boeing needs to chuck more fuel into the 772LR or Qantas needs to order the long range A350 variant
Talking about long-range variants, Airbus has flown A380 at over 590 ton TOW, more than 30 t overload. The freighter (which no one but UPS wants) is to have 590 t MTOW and an extra fuel tank in wingbox.
It seems to me that once Airbus has developed the extra strengthening for Freighter landing gear and wings and the extra fuel tank, they could derive the 380-800 HGW variant.
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Reply #36 -
Feb 11
th
, 2007 at 10:57am
PlutonianEmpire
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Another Question: how high can it go?
right now, i'm flying it at FL450 in fs9...
&&There is no escaping the Plutonian Empire!!!!
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Reply #37 -
Feb 15
th
, 2007 at 12:51am
CSM
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the a-380 has a service ceiling of 43000 feet
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