jetmatt777 From United States of America, joined Jun 2005, 2661 posts, RR: 36 Reply 1, posted (9 months 23 hours ago) and read 14160 times:
Just a guess, but those weights are where the engines would normally mount. I'm assuming the weights are there to prevent the wing from flexing near the wing root while there is no permanent weight hanging from the engine mounting areas.
BreninTW From Taiwan, joined Jul 2006, 1446 posts, RR: 1 Reply 2, posted (9 months 22 hours ago) and read 14133 times:
I believe it's mostly to stop the aircraft tipping backwards -- the engines are typically mounted forward of the center of gravity of an aircraft, and they're heavy.
Without the engines, there's a very real risk of the aircraft tipping backwards, especially in windy conditions.
I'm tired of the A vs. B sniping. Neither make planes that shed wings randomly!
AR385 From Mexico, joined Nov 2003, 4844 posts, RR: 28 Reply 3, posted (9 months 22 hours ago) and read 14103 times:
I may be wrong, but extrapolating from the 747 history, that was a common sight early in the delivery schedule because although the frames were ready, the engines were behind schedule. Without those weights, the 747 tilted backwards.
9lflyguy From United States of America, joined Jan 2010, 107 posts, RR: 0 Reply 10, posted (9 months 9 hours ago) and read 11566 times:
Not to be off topic too much but since we're discussing the photo, what are the two WN jets doing at KPAE i(upper right hand corner)? Are these new deliveries or conversions from AirTran? Just want more information on those two birds.
My opinions do not represent the opinions of my company. They are solely the opinion of the poster.
airplanenut From United States of America, joined Sep 2001, 649 posts, RR: 1 Reply 12, posted (9 months 8 hours ago) and read 10409 times:
Quoting 9lflyguy (Reply 10):
Not to be off topic too much but since we're discussing the photo, what are the two WN jets doing at KPAE i(upper right hand corner)? Are these new deliveries or conversions from AirTran? Just want more information on those two birds.
A good amount of maintenance is done at PAE. AS and SW both have 737s going in and out daily, and there are also some DL birds (mostly MD80s).
Quoting infiniti329 (Reply 7): The weights I would assume is the average weight of engine and nacelle?
If memory serves correctly, those are marked around 15,000lbs each.
747-600X From United States of America, joined Jan 2000, 2742 posts, RR: 17 Reply 13, posted (9 months 2 hours ago) and read 5621 times:
The risk of them tipping backwards seems to be relatively low, given that the nose gear strut appears tethered to the ground. (Although this raises the question of why there would be tie-downs in the middle of a runway...)
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nomadd22 From United States of America, joined Feb 2008, 1561 posts, RR: 0 Reply 14, posted (9 months 1 hour ago) and read 5270 times:
Quoting 747-600X (Reply 13): The risk of them tipping backwards seems to be relatively low, given that the nose gear strut appears tethered to the ground. (Although this raises the question of why there would be tie-downs in the middle of a runway...)
That doesn't really follow. You don't want to hold a plane down by the nose gear.
vaus77w From Australia, joined Aug 2011, 141 posts, RR: 0 Reply 16, posted (8 months 4 weeks 1 day 23 hours ago) and read 3887 times:
Quoting AR385 (Reply 3): I may be wrong, but extrapolating from the 747 history, that was a common sight early in the delivery schedule because although the frames were ready, the engines were behind schedule. Without those weights, the 747 tilted backwards.
QANTAS747-438 From United States of America, joined Jan 2001, 1801 posts, RR: 2 Reply 17, posted (8 months 4 weeks 1 day 23 hours ago) and read 3647 times:
Quoting 9lflyguy (Reply 10): Not to be off topic too much but since we're discussing the photo, what are the two WN jets doing at KPAE i(upper right hand corner)? Are these new deliveries or conversions from AirTran? Just want more information on those two birds.
I think they are new deliveries... N8319F and N8320J, -800s.
My posts/replies are strictly my opinion and not that of any company, organization, or Southwest Airlines.
wjcandee From United States of America, joined Jun 2000, 4553 posts, RR: 17 Reply 18, posted (8 months 4 weeks 1 day 22 hours ago) and read 3585 times:
justplanesmart From United States of America, joined Mar 2001, 694 posts, RR: 2 Reply 19, posted (8 months 4 weeks 1 day 2 hours ago) and read 3055 times:
Quoting QANTAS747-438 (Reply 17): I think they are new deliveries... N8319F and N8320J, -800s.
Those two have not been delivered yet, having just made their first flights this week (August 23). Also, the aircraft toward the rear clearly has only one over-wing exit. It might be N7734H, formerly N300AT, which just flew overnight (August 25) from Paine to Sea-Tac for reentry into service.
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