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Author Topic: HMS Prince of Wales breakdown  (Read 54670 times)

dodes

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Re: HMS Prince of Wales breakdown
« Reply #150 on: February 05, 2023, 04:15:51 pm »

People I know who were in the MoD, when she was operational, and one of the reasons why the Aussies decided not to buy her when offered not long after the Falklands was the vibration issue(which was published in the press at the time, her second gearbox was fitted in Gibraltar.
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littoralcombat

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Re: HMS Prince of Wales breakdown
« Reply #151 on: February 06, 2023, 08:57:52 pm »

People I know who were in the MoD, when she was operational, and one of the reasons why the Aussies decided not to buy her when offered not long after the Falklands was the vibration issue(which was published in the press at the time, her second gearbox was fitted in Gibraltar.
So to clarify dodes, you were told by your source that Invincible had an entire Main Propulsion Gearbox replaced at Gib. Not just consumables such as bearings, couplings or clutches. An entire main Gearbox?
Nige
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dodes

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Re: HMS Prince of Wales breakdown
« Reply #152 on: February 07, 2023, 12:28:06 pm »

It was in the Naval paper, made a great thing of how they replaced the gearbox etc at the time, as they said it was such a big and difficult job, even had photos of the new one being brought in board.
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #153 on: February 07, 2023, 12:40:31 pm »

I knew that engine replacements had been done away from home port but not a gearbox.

Colin
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dodes

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Re: HMS Prince of Wales breakdown
« Reply #154 on: February 08, 2023, 11:15:36 am »

Hi Colin, yes I remember seeing the picture on the front page and reading about it inside. It was in that paper that is produced for Naval serving and retired personnel, it's name has gone from me at the moment but we have all seen it in newsagents. As mentioned it was a beast of a thing in size, but with due diligence and planning they did it(I think they still had boy artificer trained engine room personnel then).
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Capt Podge

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Re: HMS Prince of Wales breakdown
« Reply #155 on: February 08, 2023, 12:44:15 pm »

It was in that paper that is produced for Naval serving and retired personnel, it's name has gone from me at the moment but we have all seen it in newsagents.


Navy News :-))


Ray.
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #156 on: February 08, 2023, 01:24:51 pm »

There are reports in the press today suggesting that both propshafts on PoW were incorrectly installed and are misaligned and that the ship may be out of service until the Autumn. The finger is being pointed at Thales who were apparently responsible.

Also stated that the construction consortium that built the ship is liable for the cost of repairs.

Colin
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Baldrick

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Re: HMS Prince of Wales breakdown
« Reply #157 on: February 08, 2023, 01:57:26 pm »




Quote
The finger is being pointed at Thales who were apparently responsible.
                 [/size][/font]

  French --- Delayed Retribution ---Mers el Kabir
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And everyone thought it was IVAN who was terrible

Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #158 on: February 08, 2023, 02:10:13 pm »

Apparently a Norwegian sub contractor actually did the work.....

Colin
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dodes

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Re: HMS Prince of Wales breakdown
« Reply #159 on: February 08, 2023, 06:10:09 pm »

The way everyone is clearing their yardarm, I expect they will blame the sandwich van for not putting enough butter in?
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #160 on: February 08, 2023, 06:35:41 pm »

QE seems to be OK at the moment and if the components were the same then it sugests that it was the installation process that was at fault.

I suppose we shouldn't be too critical given the number of driveline problems that crop up on model boat forums!

Colin
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Circlip

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Re: HMS Prince of Wales breakdown
« Reply #161 on: February 09, 2023, 11:05:46 am »

Didn't realize that the Norwegians built Subs and probably used Hewcos  {-)


  Regards  Ian.
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #162 on: February 09, 2023, 11:18:26 am »

Quote
and probably used Hucos

Yes, obviously nobody warned them off using the red ones....

Colin
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dodes

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Re: HMS Prince of Wales breakdown
« Reply #163 on: February 10, 2023, 03:40:30 pm »

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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #164 on: February 10, 2023, 06:12:21 pm »

No mention of the Norwegian sub contractor in that report.

Colin
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roycv

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Re: HMS Prince of Wales breakdown
« Reply #166 on: March 18, 2023, 10:01:00 pm »

Don't you just love it when they say "Lessons must be learned"!  Perhaps the Navy should have members who have already learned their lessons, much cheaper for us that way.
I give up on the political side as mentioned, but we have been there before and we do remember some of the previous lessons.
I sometimes feel that when I go to the pond to sail a model boat I am better prepared and have done the necessary checking to have a successful outing.

regards
Roy
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derekwarner

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Re: HMS Prince of Wales breakdown
« Reply #167 on: March 31, 2023, 08:29:39 am »


An interesting review of the Prince of Wales and the RN.......a little one-sided, and not sure how objective ........ :P  Derek


https://www.youtube.com/watch?v=QRl7rP_PGf0
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Derek Warner

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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #168 on: March 31, 2023, 10:22:42 am »

Generally an accurate and fair minded account I think. Two important considerations missing though.

1. The RN was originally forced to choose between the carriers and more destroyers and frigates. The Admirals gambled that once the carriers were building, the Government would be forced to provide sufficient escorts for them to protect the assets. This hasn't happened.

2. The carriers, and indeed other RN vessels are intended, to work with other NATO allies to make up task forces and they provide many of the escort ships.

A seperate issue is incompetent and ignorant politicians with little understanding of defence issues. When justifying the RN cuts and retirement of the Invincible class carriers early, David Cameron said that there was no threat from Russia in the forseeable future and that we only needed to plan for 'brushfire' and terrorist related conflict so only smaller less capable vessels would be needed.

The video stated that Albion and Bulwark have been retired to save money but that proposal was not proceeded with and I understand that  both ships are scheduuled to remain in the fleet until the early 2030s. I also read that one would be operational at any one time with the other in maintenanance or available for reactivation.

One other thing not mentioned is that the RN doesn't have enough crew to man the ships they have!

Colin

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dodes

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Re: HMS Prince of Wales breakdown
« Reply #169 on: March 31, 2023, 01:43:59 pm »

Hi Colin, reference the Albion and her sister ship, is since new only one has been operational and the other to provide spares to keep the other at sea.
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #170 on: March 31, 2023, 02:00:18 pm »

Yes, they have been taking it in turns from what I have read but the one in reserve is officially in extended readiness. I can understand why it would be used to provide spares at short notice but presumbly those items are replaced at some point?

Interesting ships though, I visited one at Plymouth when we still had Navy Days.

Colin
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Baldrick

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Re: HMS Prince of Wales breakdown
« Reply #172 on: April 19, 2023, 05:18:53 pm »


After a similar failure has now also been identified in the Port prop shaft bearing .Quote !     
"The Vice Admiral was "confident" propulsion faults on board HMS Prince of Wales do not signal a "class issue" which would also impede HMS Queen Elizabeth, following "appropriate checks
Reminds me of when the car dealership telling me  "  I can assure you sir that it is not a problem , They all tend to make that noise  !"  That was just before the crank rod exited through the crank case.
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Colin Bishop

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Re: HMS Prince of Wales breakdown
« Reply #174 on: April 23, 2023, 05:55:09 pm »

I don't think there is anything much new here at the moment. The report has some anomalies as one might expect, the Daily Mail is not noted for its accuracy. One prop was damaged when the shaft originally broke but is presumably being repaired. As far as I know, there is nothing wrong with the other prop, it is the other shaft which has been identified has having misalignment issues like the first one.

It is not surprising that parts are being taken off and fitted to QE which is having to shoulder a higher than expected workload. One just hopes that replacements have been ordered but with the MOD one never knows.

I read that PoW had been scheduled for maintenance this year anyway and that it may be brought forward which will extend the current time out of service which would account for the reference to a year laid up. Obviously her planned schedule went out the window last August so everything will have to be rejigged and unfortunately that always seems to result in delays.

From what reasonably reliable information has emerged, I would agree that the PoW problems were down to poor assembly procedures which might have been due to rushing the job or because of the lack of qualified engineers (which may amount to the same thing!)

I noticed QE in Portsmouth on Thursday with a marquee erected on the flight deck so presumably some work being done there.

It does seem that the USA value our carriers more than we do!

Colin

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