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Plane Shaking. Is It Normal?  
User currently offlineVasilek From United States of America, joined Aug 2004, 36 posts, RR: 0
Posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13529 times:

Recently I had my first experience flying B772. To my amazement the plane was all shaking during the take off and the overhead bins over the center seats were moving fast from one side to another. Is it normal for a jumbo jet, cause I never noticed such an occurrence on the single aisle planes?

[Edited 2004-10-27 06:35:55]

31 replies: All unread, showing first 25:
 
User currently offlineAndz From South Africa, joined Feb 2004, 8463 posts, RR: 10
Reply 1, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13491 times:
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I've seen that on 747s plenty times, not on a 346 though. Once you leave the ground and the gear is up it goes away, then turbulence takes over!


After Monday and Tuesday even the calendar says WTF...
User currently offlineIberia340600 From Spain, joined Oct 2003, 804 posts, RR: 13
Reply 2, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13475 times:

Obviously you would not see the center bins move on a single aisle airplane because there are no center bins...hence a single aisle plane. I have seen that happen on all widebody aircraft...its normal.


Visca Barça!!
User currently offlineVasilek From United States of America, joined Aug 2004, 36 posts, RR: 0
Reply 3, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13466 times:

Iberia340600, you have a point  Smile/happy/getting dizzy

User currently offlineIberia340600 From Spain, joined Oct 2003, 804 posts, RR: 13
Reply 4, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13447 times:

Just pointing out the obvious  Wink/being sarcastic It also depends how the carrier has the center bins mounted. If they are flush with the cieling..you wont see them shake much..if they are top mounted...you will.....laws of gravity.


Visca Barça!!
User currently offlineJetboyflyhi From France, joined Oct 2004, 179 posts, RR: 0
Reply 5, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13420 times:

Well think of this: runways have bumps and so the aircraft reacts to the bumps. I am a flight Attendant and when on the same aircraft for several take off and departures some runways are "rough" and some are "smooth" also the age of the aircraft makes a differance , they get "worn" in the plastic area as the bins but, in my flight attendant thoughts I can assure you, it's NORMAL. Happy Flying  Smile


Chicken or Beef?
User currently offlineVasilek From United States of America, joined Aug 2004, 36 posts, RR: 0
Reply 6, posted (10 years 1 month 3 weeks 4 days 13 hours ago) and read 13383 times:

I meant during the take off when already in the air. But now I understand it is because of the light turbulence and is happening to the single aisle planes as well, just not so "dramatically" because of the smaller size and the absence of center seats, therefore bins.  Smile/happy/getting dizzy

[Edited 2004-10-27 07:23:18]

User currently offlineUa777222 From United States of America, joined Dec 2003, 3348 posts, RR: 11
Reply 7, posted (10 years 1 month 3 weeks 4 days 12 hours ago) and read 13326 times:

Obviously you would not see the center bins move on a single aisle airplane because there are no center bins...hence a single aisle plane. I have seen that happen on all widebody aircraft...its normal.

I hope you know the 777 is a twin aisle a/c right? And that you just stated that to inform him that he won't see a center bin on any a/c with one aisle... If not the 777 is ALWAYS a twin aisle a/c.

Just to let you know, don't want to be a bug.

Thanks Again!

UA777222



"It wasn't raining when Noah built the ark."
User currently offlineJetboyflyhi From France, joined Oct 2004, 179 posts, RR: 0
Reply 8, posted (10 years 1 month 3 weeks 4 days 12 hours ago) and read 13291 times:

I now rest my case without scientific verifocation ! Happy Flying thank you UA777222


Chicken or Beef?
User currently offlineLeskova From Germany, joined Oct 2003, 6075 posts, RR: 70
Reply 9, posted (10 years 1 month 3 weeks 4 days 11 hours ago) and read 13268 times:

UA777222, if you read the first post - the thread starter, not the first reply - up to and including the last sentence (especially the part after the comma), you'll find out why Iberia340600 mentions single aisle planes...

Regards,
Frank



Smile - it confuses people!
User currently offlineBill142 From Australia, joined Aug 2004, 8466 posts, RR: 8
Reply 10, posted (10 years 1 month 3 weeks 4 days 9 hours ago) and read 13145 times:

When I landed in CNS in 1998 on a QF 767 I noticed that the overhead bins moved around quite alot. So did the aircraft in general. I put it down to a runway that had lots of bumps and probably needed resurfacing.

User currently offlineZKSUJ From New Zealand, joined May 2004, 7110 posts, RR: 12
Reply 11, posted (10 years 1 month 3 weeks 4 days 9 hours ago) and read 13135 times:

Yeah, happened to me on a 744. Very bumpy and a thudding noise at the point of rotation. Then a loud shudder and the overhead compartment opened. After that, it was smooth sailin.

User currently offline6thfreedom From Bermuda, joined Sep 2004, 3339 posts, RR: 20
Reply 12, posted (10 years 1 month 3 weeks 4 days 9 hours ago) and read 13120 times:

from my experience having flown a fair bit in Y class, you get to feel the shake, rattle and rolls more if u are seated in the last few rows..

dont know about the A346, but definately my experience on B744 and B777


User currently offlineAerosol From Germany, joined Oct 2000, 560 posts, RR: 0
Reply 13, posted (10 years 1 month 3 weeks 4 days 8 hours ago) and read 13031 times:

I know that shaking from other planes as well. Always thought of it as a mini-stall, because in transion the angle of attack might not be big enough to lift all the weight.

Maybe experts can help.


User currently offlineMas777 From United Kingdom, joined Jul 1999, 2937 posts, RR: 6
Reply 14, posted (10 years 1 month 3 weeks 4 days 5 hours ago) and read 12888 times:

This has been discussed many times before and is due to the wheels rotating on the main gears after lifting from the ground. It stops as the wheels stop rotating and is retracted into the wheelbase. Boeing 747s (and to some extent 777s) seem to be particularly prone to this phenomenon.

User currently offlineFoxBravo From United States of America, joined Nov 2003, 3008 posts, RR: 4
Reply 15, posted (10 years 1 month 3 weeks 4 days 5 hours ago) and read 12829 times:

I believe the big "bang" you sometimes hear on rotation on 747s (ZK-SUJ, reply #11) is from the shocks on the landing gear--on the ground, they are compressed by the weight of the plane, but as soon as you're off the ground, they are free to fall to their fullest extent.

Then, as Mas777 said, you feel a sort of shudder as the brakes are applied to stop the wheels from spinning as they retract into the wheel wells.

To get back to the topic, though, I have seen the center bins on widebodies shake all over the place, not only during climb but whenever there is turbulence. As others have said, it's normal.



Common sense is not so common. -Voltaire
User currently offlineAMS From United States of America, joined Aug 2003, 1692 posts, RR: 11
Reply 16, posted (10 years 1 month 3 weeks 4 days 4 hours ago) and read 12687 times:

FRA used to have really bumpy runways.....I just passed through FRA 2 days ago, and the runways have improved a lot!......anyway if the airplane is shaking during take-off, then it has to do with the runway condition.

Regards,
AMS


User currently offlineLordHowe From Finland, joined Jan 2003, 728 posts, RR: 1
Reply 17, posted (10 years 1 month 3 weeks 4 days 3 hours ago) and read 12666 times:

About this shaking after take off and during the flight in different parts of an aircraft. Yes indeed it sometimes is shaking a lot especially in the back of an 747. Because of some experiences many years ago we started calling them "tail twisters". But then I also realized that the twisting was at its worst when the aircraft had heavy tail winds during the flight. That is why I always try to get my seat on the first possible rows in economy class. Its much more quiet and much less shaking.

Best regards,
LordHowe



Lord Howe Island - The Last Paradise
User currently offlineBoeingPride800 From United States of America, joined Jun 2004, 430 posts, RR: 2
Reply 18, posted (10 years 1 month 3 weeks 4 days 1 hour ago) and read 12445 times:

That is normal. Especially on aircraft with powerfull engines such as this one.

User currently offlineEwr767 From United States of America, joined Oct 2004, 95 posts, RR: 0
Reply 19, posted (10 years 1 month 3 weeks 4 days ago) and read 12403 times:

As a flight attendant i fly the 777 quite frequently. And it is very common when i am sitting in the back on my jumpseat, to see the overhead bins in the center actually look like there swinging back and forth. I actually have seen the fuselage flex also, during strong winds. This would be at slow speeds obviously.

User currently offlineBongo From Colombia, joined Oct 2003, 1863 posts, RR: 4
Reply 20, posted (10 years 1 month 3 weeks 3 days 22 hours ago) and read 11914 times:

I've noticed that too... and I believed it was because some sort of runway bad conditions  Innocent  Confused



MDE: First airport in the Americas visited by the A380!
User currently offlineAirgeek12 From , joined Dec 1969, posts, RR:
Reply 21, posted (10 years 1 month 3 weeks 3 days 21 hours ago) and read 11418 times:

Shaking is always usual on most dual-isle planes. I have expierenced lots of shaking on twin-isle planes such as the 767, 777, and 747. This is usually caused by bumps on the runway.

I'm not exactly sure why you fell it more in the twin-isle than single isle. Must have something to do with weight or something.

Some shakes right after take-off may be the wings adjusting to the air and sutch, other times it may be the landing gear folding up into the fuselodge.


User currently offlineVonRichtofen From Canada, joined Nov 2000, 4638 posts, RR: 36
Reply 22, posted (10 years 1 month 3 weeks 3 days 19 hours ago) and read 10875 times:

I've noticed this on all my widebody flights too, so it's normal. The best though was a NW 747-200 taking of from NRT. That plane was shaking like crazy and groaning like Godzilla on the take off roll. Even the guy beside me said "This is a beast!" LOL Big grin

Kris



Word
User currently offlineMissedApproach From Canada, joined Oct 2004, 713 posts, RR: 2
Reply 23, posted (10 years 1 month 3 weeks 3 days 18 hours ago) and read 10559 times:

The only time I ever saw real shaking was in one of Air Transat's L1011s on landing. I thought a couple might've popped open, but they didn't. The only other movement of the luggage bins I've seen I would classify as "vibration" rather than shaking. Entirely normal stuff.


Can you hear me now?
User currently offlineAerofan From United States of America, joined Aug 2004, 1517 posts, RR: 2
Reply 24, posted (10 years 1 month 3 weeks 3 days 18 hours ago) and read 10471 times:

The 747 that VS got from Air Newzealand used to shake a bit. At least the one that I flew on. Didn't like it

25 Whitehatter : A lot of it is deliberately engineered in. If the bins were rigid, then the catches and frames would soon crack or distort. It's good engineering to a
26 WJA73G : That action is not un-common in older 737s, 732s, 733s, etc... WJA73G
27 Ual4me : BKK has horrendous taxiways-I was in a TG A300 and we were bouncing around like I had never felt before. Even the guys behind me remarked about how mu
28 Starlionblue : Just pointing out the obvious It also depends how the carrier has the center bins mounted. If they are flush with the cieling..you wont see them shake
29 Post contains images Rossyboy : I read somewhere that the aircraft shakes because of the spinning wheels on the landing gear at take-off. They are spinning at over 100 mph you know.
30 Ammunition : The IL-96 is very shakey during both, landing and take off. So much so in fact, that on my last flight, one of the ceiling panels came off and fell do
31 Katanapilot : A300's in heavy turbulence are an absolute riot. those bins and the ancient RGB projectors look like they're going to just snap and crush everyone in
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