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-   -   Fantasy vs Wonder - ship movement and vibrations (http://www.disboards.com/showthread.php?t=3147346)

danicaw 07-26-2013 11:21 AM

Fantasy vs Wonder - ship movement and vibrations
 
We got off the Fantasy last week and had a great cruise.
We had an Aft stateroom and although I have no problem with general ship movement and sleep great on cruises typically, we felt a lot of vibration when in the room.
Was this a function of the location of our room or the new ship?
We are booked on the Wonder to Alaska next summer and currently have another aft stateroom.
Wondering if we should move rooms.
Thanks all!

IBelieveInTheMagic 07-26-2013 11:31 AM

It seems there are several threads about the aft on the Fantasy specially and potential issues caused by Hurricane Sandy. I have sailed Aft on the Dream and yes we had slight vibrations but nothing major and nothing that would prevent us from booking aft again since it's our favorite location. We have aft booked for our Fantasy Spring Break cruise in April and I'm getting a little "concerned" with so many recent posts about it but my DS has his heart set on our specific cabin so we won't move.

SO - I said all of that to say - we also cruised aft (5132) last month on the Wonder to Alaska and no movement AT ALL. I think a lot has to do with how much slower the ship is travelling and also the awesome weather conditions we had.

I just wanted to reassure you no issues and nothing even felt out of the ordinary with the aft on the Wonder!

Have a great time,
Heather

danicaw 07-26-2013 12:09 PM

Thank you Heather!
We like aft staterooms, so I am thrilled to hear your report.

It seemed the vibrations were stronger the faster we went. For me it was an irritant, but not enough to ruin our cruise :)
I do think next time we are on one of the new ships I will choose a different location on the ship - just to try it out.
We have been aft on the Magic, but its been almost 5 years, so I may have forgotten aspects of the trip.
Had a wonderful time. Can't wait to cruise again :thumbsup2

TempusFugit 07-26-2013 03:42 PM

The greater the mass, the higher the natural frequency. It's most likely a resonance issue.

truck1 07-27-2013 12:45 PM

Quote:

Originally Posted by TempusFugit
The greater the mass, the higher the natural frequency. It's most likely a resonance issue.

Could be but the issues on the Fantasy seem to only popped up recently. We were on the Maiden and spent alot of time aft and never noticed anything out of the ordinary.

lbgraves 07-27-2013 01:00 PM

We noticed horrible vibration on the MV during dinner in AP. It was so bad that it was making DH ill so he had to leave before the second course was brought out and go to our room forward, and he has never felt badly on any of our cruises -- even with 20+ foot swells. That was the only time we noticed it during the cruise, but it was the worst we have ever felt it with 75 days onboard total.

OTOH, we felt no vibration on the 3/23/13 cruise, which was after Sandy. Someone on a recent thread explained how it could be affected by the current.

truck1 07-27-2013 02:31 PM

Lisa it might even come and go. Current could be 1 cause but machinery that's not secured properly like on their shock absorbers that runs intermittently could be another. Were going back this Oct and I'll see if can find a ship officer that knows. We keep seeing the one that married us and hes on an extended contract to be on the Fantasy.

fredandkell 07-27-2013 02:38 PM

I think on any ship, old or now, you feel movement worse in the aft of the ship. We did the Dream back in April, and we were mid-ship Deck 9. Relatives were last cabin/aft on Deck 10. Their room swayed a whole lot more than ours did, and I wouldn't call our seas rough at all. There's a reason the aft-facing rooms are cheaper than the mid-ship rooms.

danicaw 07-27-2013 03:27 PM

We actually do fine with swells and that type of general ship movement. I sleep great on the ship typically. But this was a vibration of some sort.
Like trying to sleep on a washing machine during the spin cycle.

I think we will look to see what other cabins are open for our cruise next summer... just to be safe.

lbgraves 07-27-2013 04:26 PM

Quote:

Originally Posted by fredandkell (Post 49094044)
I think on any ship, old or now, you feel movement worse in the aft of the ship. We did the Dream back in April, and we were mid-ship Deck 9. Relatives were last cabin/aft on Deck 10. Their room swayed a whole lot more than ours did, and I wouldn't call our seas rough at all. There's a reason the aft-facing rooms are cheaper than the mid-ship rooms.

This has nothing to do with the sway. As I said, we are experienced with that and the first night usually order ginger ale to deal with that, but this was like a constant, strong tremor that just wouldn't stop. The spin cycle of a washer that rattles would be similar.

ScottishDisMam 07-27-2013 04:50 PM

We've been on all 4 ships, and stayed quite far aft and enjoyed it, but last year on the Fantasy we had to ask to be moved as the constant vibration bothered my husband so much. He is an officer on a ship and couldn't understand what was causing it, but thought that it wasn't right to have so much vibration. I could have put up with it ok, but I guess he's trained to tune into unusual noises and vibrations and he couldn't sleep well.

Spwhoney 07-27-2013 04:50 PM

Quote:

Originally Posted by danicaw (Post 49084491)
Thank you Heather!
We like aft staterooms, so I am thrilled to hear your report.

It seemed the vibrations were stronger the faster we went. For me it was an irritant, but not enough to ruin our cruise :)
I do think next time we are on one of the new ships I will choose a different location on the ship - just to try it out.
We have been aft on the Magic, but its been almost 5 years, so I may have forgotten aspects of the trip.
Had a wonderful time. Can't wait to cruise again :thumbsup2

We had a very aft room on the Wonder 2nd deck, We could feel a vibration, I hardly noticed, but we had to return to San Francisco for medical emergency so that meant we had to full steam ahead through the night to make up for time. It was much louder and vibrated more the faster we went. I have had a forward room and it very jumpy.

Hokeysmoke 07-27-2013 06:12 PM

Quote:

Originally Posted by TempusFugit (Post 49086467)
The greater the mass, the higher the natural frequency. It's most likely a resonance issue.

Actually, it's the opposite. The natural frequency goes down with increased mass.

Asnell 07-27-2013 06:15 PM

Don't the newer ships (Dream and Fantasy) have some sort of additional stabilizer on the back -- I think it's referred to as a duck tail? I wonder if the addition of that would cause additional vibrations as the ships move through the water. It would make sense that it wouldn't be happening on the classic ships, since they don't have the extra tail added on yet.

TempusFugit 07-29-2013 09:08 AM

Quote:

Originally Posted by Hokeysmoke (Post 49095592)
Actually, it's the opposite. The natural frequency goes down with increased mass.


Thanks. I had a moment of physics dyslexia. :thumbsup2


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