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KLM MD-11 Gear And Roof Questions  
User currently offlineFutureUApilot From United States of America, joined May 2004, 1365 posts, RR: 4
Posted (9 years 2 months 3 weeks 4 days ago) and read 3300 times:

Hey, what's the little thing sticking out horizontally tward the nose in this picture? Is it supposed to be there? Also, what causes those black streaks on the roof by the windows and door? Thanks!


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Photo © Florian Kondziela



-Sam

[Edited 2005-05-07 23:25:34]


The Pilot is the highest form of life on Earth!
17 replies: All unread, jump to last
 
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 1, posted (9 years 2 months 3 weeks 4 days ago) and read 3294 times:

Nose Steering Actuator....If you'd look, nearly every single aircarft with nose steering has a design simular to it.

The black streaks are caused by dirt and the airflow over the fuselage.

[Edited 2005-05-07 23:31:50]


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineFutureUApilot From United States of America, joined May 2004, 1365 posts, RR: 4
Reply 2, posted (9 years 2 months 3 weeks 4 days ago) and read 3285 times:

Quoting EMBQA (Reply 1):
If you'd look, nearly every single aircarft with nose steering has a design simular to it

When I had a chance to walk around a CO 777 i didn't see that little thing, was i just blind? What does the Nose Steering Actuator do?

-Sam



The Pilot is the highest form of life on Earth!
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 3, posted (9 years 2 months 3 weeks 4 days ago) and read 3282 times:

Nose...Steering...Actuator...

It steers the airplane through moving the nose wheels....hence the name.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineKlaus From Germany, joined Jul 2001, 21407 posts, RR: 54
Reply 4, posted (9 years 2 months 3 weeks 4 days ago) and read 3282 times:

The steering actuator normally consists of a pair of hydraulic cylinders which turn the nose wheels into the desired direction. In most cases I´ve seen pictures of, the cylinders are mounted behind the strut, however.

User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 5, posted (9 years 2 months 3 weeks 4 days ago) and read 3277 times:

Your just blind......although a slightly different design, the actuators are clearly visable on the Boeing 777.
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Photo © Rhys Dudley - TeamJetspotter



[Edited 2005-05-08 00:00:51]


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineFutureUApilot From United States of America, joined May 2004, 1365 posts, RR: 4
Reply 6, posted (9 years 2 months 3 weeks 3 days 23 hours ago) and read 3254 times:

Ah, ok, thanks.. I see it now.  Yeah sure

Quoting EMBQA (Reply 3):
Nose...Steering...Actuator...

It steers the airplane through moving the nose wheels....hence the name.

Sorry, Actuator is a new term, English isn't my native language...

-Sam



The Pilot is the highest form of life on Earth!
User currently offlineAmtrosie From United States of America, joined Jan 2005, 274 posts, RR: 0
Reply 7, posted (9 years 2 months 3 weeks 3 days 19 hours ago) and read 3218 times:

The black streaks are a combination of dirt/water that is forced out of various crevases when the A/C is pressurized. It is also a good indication of a presurization leak, however small.

User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 8, posted (9 years 2 months 3 weeks 3 days 12 hours ago) and read 3179 times:

Nose Wheel Steering Actuators.

The Black streaks are caused by Dirt flowing over the Aircraft.
regds
MEL



Think of the brighter side!
User currently offlineHelsin99 From United States of America, joined Feb 2005, 10 posts, RR: 0
Reply 9, posted (9 years 2 months 3 weeks 2 days 20 hours ago) and read 3110 times:

On the first picture of the KLM MD-11, does anyone have any ideas about what that hatch that appears to be open under the first window in the passenger compartment is or does? Is that the valve that release cabin pressure?

User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 10, posted (9 years 2 months 3 weeks 2 days 19 hours ago) and read 3103 times:

If I remember correctly it's an outflow for the ACM Packs. Notice the two inlets on the forward side of the nose.


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 11, posted (9 years 2 months 3 weeks 2 days 16 hours ago) and read 3086 times:

Quoting Helsin99 (Reply 9):
On the first picture of the KLM MD-11, does anyone have any ideas about what that hatch that appears to be open under the first window in the passenger compartment is or does

Are you referring to the Landing Light.
regds
MEL



Think of the brighter side!
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13968 posts, RR: 63
Reply 12, posted (9 years 2 months 3 weeks 2 days 11 hours ago) and read 3062 times:

Quoting HAWK21M (Reply 11):
On the first picture of the KLM MD-11, does anyone have any ideas about what that hatch that appears to be open under the first window in the passenger compartment is or does

It is a retractable landing light in the extended position. The thingies sticking out from the NLG are the two steering actuators and two small glide path antennas below them. The things pointing foward under the nose are the three pitot tubes.

Jan


User currently offlineHelsin99 From United States of America, joined Feb 2005, 10 posts, RR: 0
Reply 13, posted (9 years 2 months 3 weeks 1 day 19 hours ago) and read 2964 times:

Thanks for the information. Now that I look at it again, I can see that it is a light. I didn't know that they retracted. That's what I like about this forum, always learn something new.

h99


User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 14, posted (9 years 2 months 3 weeks 1 day 13 hours ago) and read 2931 times:

What are the Marking in Black for.
Near the AOA sensor & beow the Entry door.
regds
MEL



Think of the brighter side!
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13968 posts, RR: 63
Reply 15, posted (9 years 2 months 3 weeks 1 day 10 hours ago) and read 2917 times:

Quoting HAWK21M (Reply 14):
What are the Marking in Black for.
Near the AOA sensor & beow the Entry door.
regds
MEL

We don´t have them on our freighters, but I assume KLM put them there as a guidance for the airstairs / jetway operator.

Jan


User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 16, posted (9 years 2 months 3 weeks 13 hours ago) and read 2863 times:

Seen the same markings in Orange on the New 9W A343 yesterday.
Any Idea how is the refrencing done.
regds
MEL



Think of the brighter side!
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13968 posts, RR: 63
Reply 17, posted (9 years 2 months 3 weeks 10 hours ago) and read 2859 times:

I assume that they are used by operators of airsairs which are mounted on a truck. From their cab they can´t see the door opening if the stairs is close, so they´ll orient themselves by the markings.

Jan


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