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Things I Saw In Sydney [Mar. 21st, 2008|07:14 am]
susan smitten
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[User Picture]From: dubaiwalla
2008-03-26 02:03 pm (UTC)
Man. Two of the three A380s in commercial service have already been grounded? Good thing you're not planning to fly one regularly just yet.
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[User Picture]From: chu_hi
2008-03-30 12:12 am (UTC)
Okay! So. Re two earlier discussions:

1) That BA 777-200ER that hit the ground short of the runway. I heard a theory today that the cause was cold (and/or frozen) fuel.

2) I asked a less pricky pilot whether one damaged spoiler (or failed reverse thrust in one engine) would make the aircraft veer off the runway (remember, the last pilot I asked just replied "It wouldn't happen"). This one said that in theory, it would happen, but the momentum of the aircraft, for one thing, would keep it going *fairly* straight, and the rudder would be used to keep the aircraft in a straight trajectory. So there's the answer! Rudder! (He was explaining to me that the rudder is how an aircraft can keep flying with one engine; I always wondered that.) And the wheel brakes are used, as well, so the spoilers and reverse thrust aren't the only brake systems.
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[User Picture]From: dubaiwalla
2008-03-30 12:38 am (UTC)
Fuel can freeze while you're flying? Between Singapore and Sydney, at that? This worries me.

would keep it going *fairly* straight, and the rudder would be used to keep the aircraft in a straight trajectory
I wonder what sort of reaction time a pilot needs to figure out what's wrong and do something about it before the plane veers off the runway. I'm going to hope it doesn't happen often, but there is training for it anyway.
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[User Picture]From: mrputter
2008-03-30 09:41 am (UTC)
> Between Singapore and

Uh?

At the altitude these planes are flying at, the outside temperature is around -60°. The fact that it's in a tropical (vs. polar) region of the planet, really, makes a rather piddly amount of difference.

I mean, yes, it's rather surprising that the planes' insulation (or whatever) is not sufficiently designed as to prevent fuel freezing. But that's a different issue altogether from whatever effect that the part of the world would have on the fuel temperature.

Edited at 2008-03-30 09:41 am (UTC)
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[User Picture]From: dubaiwalla
2008-03-30 01:20 pm (UTC)
The fact that it's in a tropical (vs. polar) region of the planet, really, makes a rather piddly amount of difference.
Oh, I thought flying the polar route between continents would have had a larger effect. My bad.
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