Boeing 777 Freighter
11-05-2006, 07:13 AM
#31
Gets Weekends Off
Joined APC: Aug 2006
Posts: 3,931
Good stuff T-tail.
I think the kicker in all you point out is the MD-11's were cheap to buy, available and they cube out about the time they max out on weight. When the 747 is at max weight there is a lot of dead air in there. Which leads to pushing a bigger tube thru the sky than necessary. Very costly on the gas.
Fuel burn is, indeed, a big factor. A fuel stop carries more freight and avoids the fuel penalty of carrying extra gas at T/O.
Quite frankly, I'm amazed the 380 makes sense. It must weigh as much as the moon when loaded up.
I think the kicker in all you point out is the MD-11's were cheap to buy, available and they cube out about the time they max out on weight. When the 747 is at max weight there is a lot of dead air in there. Which leads to pushing a bigger tube thru the sky than necessary. Very costly on the gas.
Fuel burn is, indeed, a big factor. A fuel stop carries more freight and avoids the fuel penalty of carrying extra gas at T/O.
Quite frankly, I'm amazed the 380 makes sense. It must weigh as much as the moon when loaded up.
11-05-2006, 08:12 AM
#32
Line Holder
Joined APC: Jul 2006
Position: MD11 F/O
Posts: 40
Originally Posted by Gillegan
T-Tail,
Interesting but there is one factor that your post does not address: namely that UPS and especially FedEx specialize in overnight shipping. A UPS manager told me that it was a problem getting stuff from the far east to the hub in time to be sorted and sent out. I'm sure that the time lost must have some cost to them. The text that you are quoting seems more appropriate to regular freight and not the express business.
Interesting but there is one factor that your post does not address: namely that UPS and especially FedEx specialize in overnight shipping. A UPS manager told me that it was a problem getting stuff from the far east to the hub in time to be sorted and sent out. I'm sure that the time lost must have some cost to them. The text that you are quoting seems more appropriate to regular freight and not the express business.
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