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Subject: Does the RAN have a need for a Corvette?
hairy man    11/17/2008 6:31:29 PM
Does the RAN have a requirement for a Corvette type vessel? The one on the Austal website, which carries a helicopter and is equipped for ASW looks promising, although I would prefer it to be larger and better armed.
 
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streddy       12/8/2008 9:52:38 PM
CEAFAR is pitched as "corvettes to cruisers" because of its tiled modular design. So size limitations really don't mean too much only capability. Want longer range.. just have more tiles.. Their website has some good info.
 
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doggtag    question (went back several days ago...)   12/9/2008 10:21:34 AM
 

The US, which has mnore experince with air attack at sea than anybody except Britain is landing Phalanx and beefing up its countermeasures and turning to auto-detection launched  last ditch rockets as its last chance cruise missile defense.. What do they and I know that you don't? 

 

They know that Phalanx is ineffective which is completely irrelevant to this discussion.



  Those ranges were SHORT with time of flyout  engagements of less than two minutes. Well less than fifty kilometers which is just inside the Earth  LOS radar horizon at most surface ship radar mast heights. When you introduce the curvature of the Earth to obscure LOS you have to UPDATE offplatform, mate. A target will maneuver out of threat axis bearing the minute ot detects launch and will throw garbage at your missile to blind and spoof it  provided thatg ship has a standing watch that knows what it is doing..  

 

On any issues with the Phalanx system,
is it a case of the gun itself being to antiquated for the role,
or was the weapons system's fire control (sensor time to shooter time loop) not up to the task of bringing down an inbound threat?
 
I ask this because it seems those "landed" Phalanx, in the form of the Centurions being deployed in Iraq (any in A-stan?) seem to have succeeded at least 100 times (give or take, by claimed count) against various mortar rounds and rockets coming into FOBs.
I realize many of these threats were most likely more crossing targets than coming directly at the Phalanx mount(in the general direction of, as would be on a ship).
And certainly lobbed mortar shells are generally slower than flat-trajectory ASMs (even though Phalanx was programmed to attack those ASMs that pitched up in the terminal phase and dove into their targets),
but with the 20mm HEI rounds of the Centurion version being able to deter thick-skinned mortar rounds,
I want to think the DU (early Phalanx) and tungsten APDS rounds of the ship-mounted systems would easily have physically deterred any ASM threats.
 
Was it a matter of fire control software being not up to the task, and the system couldn't react fast enough
(for shipboard defense) ?
Or was the sole/main reason the Phalanx' rather short range,  <1 mile, ?
For time-to-react, I don't really see the SeaRAM launchers really slewing any faster than Phalanx mounts, the key advantage being RAMs can reach out much farther.
 
But for a ship like an LCS, operating near shore and within range of coastal/near-coastal artillery, would the option of a Phalanx still be worthwhile, especially if it can be useful against even the ocassional ship-fired artillery shells (100mm & > ) ?
Or, like those Israeli missile boats, would LCS depend principally on speed and agility to avoid any gun-fired projectiles?
 
(seems to me that offering Phalanx to a number of commercial merchants could in itself create a very effective anti-piracy deterrent...)
 
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hairy man       5/9/2009 7:51:27 PM
Kevin Rudd or his advisers must have checked this thread..
 
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DropBear       5/10/2009 1:39:11 AM
Could you imagine what type of ADF we would have if the people up stairs actually did read our threads and act upon them.
 
 
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