Guided Missile Destroyers: Zumwalt Class

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ivorthediver
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Re: Guided Missile Destroyers: Zumwalt Class

Unread post by ivorthediver »

Well the recent talk of conversion of the first two and now the third appears to have brought about a change in priorities as they have said the USN is converting the three Zumwalt class to carry the SM6 missiles as well ;)

Further more they are keen to float a new batch of 20 odd New Frigates :o according to their resent news bulletin released today :shock: in a bid to get hulls in the water quickly and at present talk is of tried and tested mature designs and or New futuristic design [ so the arguments go on it would seem ]

Any comment on this news Dennis as it is seen as a response to the PLANS current 2 ships a month :?: programme .
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Pelican
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Re: Guided Missile Destroyers: Zumwalt Class

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USS ZUMALT

A new report by the Government Accountability Office (GAO) criticizes the Navy and the shipyard, Bath Iron Works, for serious deficiencies with the DDG 1000 Zumwalt-class destroyer program. The report found more than 320 “serious deficiencies” found upon inspection when the shipyard delivered the first-in-class USS Zumwalt’s hull, mechanical and electrical systems in May 2016. Another 246 “serious deficiencies” were found after acceptance trials in January and February 2018 for the USS Michael Monsoor, the second of three “stealth” destroyers built in Maine.

The report was critical of the Navy’s failure to complete the design and engineering of the USS Zumwalt, the first of three destroyers of the calls prior to the start of fabrication. “This approach contributed to numerous design changes after the fabrication start and significant cost increases and schedule delays,” the report notes. “Nearly ten years later, development and shipboard testing of technologies continues, each of which could lead to discovery that could disrupt the design stability the Navy currently claims.”

The report also notes failures on the second ship. “The shipbuilder also experienced problems completing the power system for DDG 1001 [the USS Michael Monsoor],” the report states. “Following sea trials, the Navy inspected one of the ship’s main turbine generators and found that the generator was damaged by a woodscrew. The damage was extensive enough that the Navy chose to replace the engine and send it for repair.”

The most significant criticism is reserved for the Navy’s inability to provide ammunition for the destroyers’ 155 mm Advanced Gun System. After 10 years of development and a cost of $24 billion, the new destroyers do not have ammunition of their primary weapons system.

The original ammunition, the Long Range Land Attack Projectile (LRLAP), ended up costing over $800,000 per projectile and was judged too expensive to support. The Navy has been unable to find replacement ammunition, so has redefined the ships’ mission from support ground forces in land attacks to surface warfare. The new missile systems required to perform the new surface warfare mission are estimated to cost another $1 billion dollars.

See:
https://www.gao.gov/products/GAO-19-336SP
https://en.wikipedia.org/wiki/Zumwalt-class_destroyer
https://en.wikipedia.org/wiki/USS_Zumwalt
https://www.popularmechanics.com/milita ... expensive/
https://www.youtube.com/watch?time_cont ... H11dBX9P3g
HMS Pelican 1938 - 1958 GGCV L86 U86 F86 What I Have I Hold ~ A wonderful bird is the Pelican its beak can hold more than its belly can.
Brian James
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Re: Guided Missile Destroyers: Zumwalt Class

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Non reliance on the MKI eyeball?...USS Zumwalt's bridge.
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designeraccd
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Re: Guided Missile Destroyers: Zumwalt Class

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The ZUMWALT......USN'$ answer to what?????????? :o A HUGE floating target to practice a one time "SINKEX" on??????? DFO
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ivorthediver
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Re: Guided Missile Destroyers: Zumwalt Class

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For what its worth Dennis it must rank as a massive floating white Elephant given its defects and lack of designed AirPower projectile's .

Its unfortunate that the USN seem to be encumbered with ships with so many faults [ some of which are still unresolved ] that you would have thought that DT would be looking to replace major members of the team , which apart from the cost element , casts doubt on their ability to produce vessels on time and on budget .

The RN have had their fair share historically but never at these figures and waste factors I'm persuaded :(
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designeraccd
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Re: Guided Missile Destroyers: Zumwalt Class

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These pale in comparison to the $13 BILLYUNN n climbing USS EDSEL....err Furd...Ford.........the world's JUGEST non-functional carrier.......... :x DFO
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ivorthediver
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Re: Guided Missile Destroyers: Zumwalt Class

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I totally understand your frustration and anger Dennis , lets hope they all stop blaming one another and pull their collective fingers out , or are they greasing to many palms [ ops sorry meant slipways :oops: ] ;)
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Brian James
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Re: Guided Missile Destroyers: Zumwalt Class

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Lead Ship,Guided-Missile Destroyer USS Zumwalt, left, Ticonderoga Class Cruiser USS Princeton, back right,Independence Class LCS USS Charleston moor to a pier in San Francisco for San Francisco Fleet Week,October 8th, 2019...we were at the 'posh eatery' in the foreground in March this year.
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Pelican
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Re: Guided Missile Destroyers: Zumwalt Class

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Here's what it's like to sail the Navy's new stealth destroyer in stormy seas

[Something is going right at last!]

The Navy's three-ship Zumwalt-class destroyers have had some struggles during their development.
But at sea, the new stealth destroyers handle as well, if not better, than previous classes of surface warships, according to sailors who've tested it out.

https://www.businessinsider.com/how-the ... &r=US&IR=T
HMS Pelican 1938 - 1958 GGCV L86 U86 F86 What I Have I Hold ~ A wonderful bird is the Pelican its beak can hold more than its belly can.
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Pelican
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Re: Guided Missile Destroyers: Zumwalt Class

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Pelican wrote: Mon Jan 27, 2020 5:58 pm Here's what it's like to sail the Navy's new stealth destroyer in stormy seas

[Something is going right at last!]

The Navy's three-ship Zumwalt-class destroyers have had some struggles during their development.
But at sea, the new stealth destroyers handle as well, if not better, than previous classes of surface warships, according to sailors who've tested it out.

https://www.businessinsider.com/how-the ... &r=US&IR=T
I forwarded the link/its contents to an American naval architect who has now come back with these comments which may be of interest to Members:

"This is very interesting. I remain skeptical. With the reduced reserve buoyancy in the waterplane as the ship rolls, the Zumalt would have to be made stiffer, with higher initial stability. This may be what the officers and sailors are referring to. One quote suggests this:

"You definitely have to get used to the roll, which is very short compared to other ships," Carlson said. "For those of us who have been on cruisers, especially up top, you kind of lean over 15 degrees and you wonder if you are going to come back. We didn't experience any of that. As long as you get used to the finer oscillation, it really handles very well."

Apparently, the officers prefer snap rolls to longer rolls. Historically tumblehome ships like the Zumwalt have had seakeeping and survivability problems."
HMS Pelican 1938 - 1958 GGCV L86 U86 F86 What I Have I Hold ~ A wonderful bird is the Pelican its beak can hold more than its belly can.
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