Navy's newest badass aluminum warship: USS Independence (LCS 2)

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iGas

Diamond Member
Feb 7, 2009
6,240
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aluminum tends to be fairly corrosion resistant by itself due to the formation of a passivating oxide layer almost immediately upon exposure to air.

secondly, the navy has all sorts of coatings, paints, and other material requirements designed to mitigate corrosion as much as possible. it's not like they're just tossing a giant block of aluminum into the ocean and hoping for the best.
Its not corrosion that is the main concern, but more on the order of rigid material verses vibration/waves. Another concern is cavitation on traditional high speed & high wave riding design.
 

RbSX

Diamond Member
Jan 18, 2002
8,351
1
76
"actually, a few Iowa class battleships remain in reserve because no modern armaments are able to replace the 16" cannons featured on the Iowa. There's just nothing that's as capable as the Iowa class ships for offshore artillery/support platform."

In reserve, perhaps, but not in service. The Iowa class ships are part of musesums or mothball fleets.


Carpet shelling/bombing is being replaced with precision.

This is true but there is a major argument to reactivate them due to cost efficiency, the cost of launching a missile is significant compared to the firing of a 16" cannon.

It's been addressed a few times, the issue is the modernization and activation of an Iowa class ship is pretty significant and would require a lot of man power.
 

LordMorpheus

Diamond Member
Aug 14, 2002
6,871
1
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Fixed that for you.

That 57mm cannon would be perfect for hippies.

There is no fucking right or wrong in that conflict. The Japanese "research" fleet are straight up whale hunters and for anyone to claim otherwise is hilarious. The Sea Shepard types are just as bad.

How about send this guy in as a third party and just sink the fucking lot of them?
 

K1052

Elite Member
Aug 21, 2003
46,885
34,850
136
This is true but there is a major argument to reactivate them due to cost efficiency, the cost of launching a missile is significant compared to the firing of a 16" cannon.

It's been addressed a few times, the issue is the modernization and activation of an Iowa class ship is pretty significant and would require a lot of man power.

The DD(X) program which became the Zumwalt class was supposed to address the gunfire support issue (retirement of the Iowas) by the use of an advanced gun system with EGRM projectiles. Due to massive overruns the Navy is only buying 3 Zumwalts and has canceled the EGRM projectile program due to technical problems. Even the CG(X) program looks somewhat doubtful to ever come to fruition.

The 3 Zumwalts are running the Navy about 4 Billion apiece to acquire. It probably would have been significantly cheaper to modernize all 4 Iowas to get their crew requirements down.
 

Gibsons

Lifer
Aug 14, 2001
12,530
35
91
just an FYI it's cost a cost effective multilateral warship capable of handling a large assortment of armaments and missions. these type of boats will replace the battleship fleet, and are much more practical for todays maritime force

being that it's LCS 2, it is actually the second of its type

battleship fleet?
 

Cattlegod

Diamond Member
May 22, 2001
8,687
1
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if you are inquiring about the looks, it is for stealth. EVERY surface is angled to reflect the radio waves for radar. this thing would show up as a small fishing boat on radar if it shows up at all.
 

Gibsons

Lifer
Aug 14, 2001
12,530
35
91

SunnyD

Belgian Waffler
Jan 2, 2001
32,674
145
106
www.neftastic.com
Probably wondering about the trimaran design. Definitely looks meaner than LCS1, which is sort of humdrum in comparison.
http://gcaptain.com/maritime/blog/wp-content/uploads/2008/11/610x.jpg
I've no idea which design is actually better though.

Looks like a commercial yacht.

How well do these things turn?

Think of it as a large jet ski.

Slick looking ship, but it looks delicate.

About as delicate as using a sledgehammer as a fly swatter.

near shore operations i guess.

Yep, it rides high on the water, so it can go where most ships can't. I believe also one of it's major multi-role abilities is troop transport and/or medical ship, making getting closer to the shore even more beneficial.

It's made of aluminum. I don't think it would be very good in the ice or against steel ships.

Tensile strength of aluminum exceeds steel by a significant amount, if my memory serves correctly. I believe there are some aluminum alloys that rival titanium. The biggest benefit though is the fact that you can make an aluminum alloy that is as "strong" as some of the best steel alloys, except it is far lighter and much more corrosion resistant.

I like the tennis court and movie theater on the back deck. Is it dolphin friendly?

I thought it was a basketball court myself.

It looks pretty badass. But that guy on the machine gun needs some cover, he's going to get owned by an RPG.

Actually I was thinking the same thing. "Seamen, go man the gun stations! Suckers..."

What are you yanks compensating for, hmm? :hmm:

It is pretty fucking cool looking.

We compensate for everything.
 

conehead433

Diamond Member
Dec 4, 2002
5,566
890
126
The highly exposed 57 mm cannon would be the first thing taken out by any attack on this ship.
 
Aug 23, 2000
15,511
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Its not corrosion that is the main concern, but more on the order of rigid material verses vibration/waves. Another concern is cavitation on traditional high speed & high wave riding design.

I'm pretty sure the designers that made the ship were smarter than the people posting in this thread.
 

Fenixgoon

Lifer
Jun 30, 2003
31,822
10,361
136
Tensile strength of aluminum exceeds steel by a significant amount, if my memory serves correctly. I believe there are some aluminum alloys that rival titanium. The biggest benefit though is the fact that you can make an aluminum alloy that is as "strong" as some of the best steel alloys, except it is far lighter and much more corrosion resistant.

in absolute strength, not even close, for a variety of reasons. aluminum does tend to have a better strength/weight ratio (or more properly, strength/density).

for reference, an aluminum alloy from Kobe Steel holds the ultimate tensile strength (UTS) record at 780 MPa.

alternatively, a classic high strength steel like 4340, which has been around for ages, has a UTS in the area of 1600-1800 MPa.

The 18-Ni maraging steels series can have UTS's in excess of 2000 MPa.
 

skyking

Lifer
Nov 21, 2001
22,221
5,083
146
The highly exposed 57 mm cannon would be the first thing taken out by any attack on this ship.
That 57mm gun has a range of 9 miles and a burst rate of 220 rounds per minute. I think it can take care of itself, quite literally. The phalanx system would not be napping either.
 

Gibsons

Lifer
Aug 14, 2001
12,530
35
91
That 57mm gun has a range of 9 miles and a burst rate of 220 rounds per minute. I think it can take care of itself, quite literally. The phalanx system would not be napping either.

There's also the issue of helicopter launched Hellfires, Penguins, etc.
 
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