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Help With A Picture - 747 Jade Cargo  
User currently offline757GB From Uruguay, joined Feb 2009, 676 posts, RR: 1
Posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2222 times:

Hi everyone,

I love this picture and the other day I was looking at it in detail:


Big version: Width: 1280 Height: 865 File size: 404kb
Jade Cargo 747


Now I've never worked with the Queen, so I'm intrigued by something.
Obviously the aircraft is turning right. The angle of the nose gear is very clear.
Now looking at the main bogeys, I see the outer bogeys angling to the right as well.
But the inner landing gear assembly looks perfectly straight from the photographer's viewpoint.
In fact, you can tell that the wheel well doors are also angled, but not the doors.

Do the outer bogeys help the aircraft turn? I wouldn't think so but this looks weird.
I'm sure plenty of folks here can clarify.

Thanks in advance for your input!

Regards,
GB


God is The Alpha and The Omega. We come from God. We go towards God. What an Amazing Journey...
6 replies: All unread, jump to last
 
User currently offlineAdipasqu From United States of America, joined Apr 2004, 238 posts, RR: 0
Reply 1, posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2214 times:

To me, it looks like the outer main bogeys are straight relative to the fuse, the inner are pointed left, and the nose right all to reduce the turning radius of this beast!


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User currently offlineCrownvic From United States of America, joined Oct 2004, 1866 posts, RR: 5
Reply 2, posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2216 times:

The 747 has body gear steering...the gears that are cocked are the inner gears under the belly...the outer gears under each wing are straight....

User currently offline757GB From Uruguay, joined Feb 2009, 676 posts, RR: 1
Reply 3, posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2206 times:

Ok that makes sense. Thanks for the info Crownvic!


God is The Alpha and The Omega. We come from God. We go towards God. What an Amazing Journey...
User currently offlineStitch From United States of America, joined Jul 2005, 30654 posts, RR: 84
Reply 4, posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2206 times:
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Quoting Crownvic (Reply 2):
The 747 has body gear steering...the gears that are cocked are the inner gears under the belly...the outer gears under each wing are straight....

The A380-800 has the same, does it not? On another forum a man who claimed to be a QF A380 pilot noted that at least one of their birds had an issue with "main gear steering" and Airbus issued a bulletin about it.


User currently offline787seattle From United States of America, joined Feb 2008, 641 posts, RR: 0
Reply 5, posted (5 years 4 months 2 weeks 1 day 5 hours ago) and read 2172 times:

IIRC, the 777 has the same type of steering. I think it's the rear pair of wheels on each bogey that also reduce the turn radius.


Student - KELN
User currently offlineGeardown From United States of America, joined Apr 2005, 112 posts, RR: 0
Reply 6, posted (5 years 4 months 2 weeks 1 day 4 hours ago) and read 2116 times:

Remember what Lightning McQueen said in the Pixar-Disney movie "Cars":

"Turn right to go left. Yes, thank you! Or should I say, no, thank you! Because in Opposite World, maybe that really means thank you."

Works for 747 too.


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