Type 055 DDG Large Destroyer Thread

Discussion in 'Navy' started by FarkTypeSoldier, Jul 8, 2013.

  1. AndrewS
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    AndrewS Captain
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    At the level of an individual ship, a larger VLS inventory does lower the cost of each launch.

    But not if missiles are expensive, you have a budget to work to, and we look at a strategic level
    Eg.

    Option A. Type-55 with 4 reloads. Missile Cost = $2M
    Ship cost: $857M
    Missile cost $896M (448missiles @ $2M)
    Total Cost = $1753M

    In comparison, for the same money, you can buy:

    Option B. Type-52D with 9-10 reloads. Same missile cost
    Ship cost $500M
    Missile cost $1252M (626missiles @ $2M)

    Your cost per missile is significantly lower with a smaller Type-52D, if you expect a longer campaign.

    NB. 4 reloads is based on the PLARF estimates of launchers and missiles.
     
  2. Max Demian
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    Max Demian Junior Member
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    I think Tam is right to point out that sensor capability is one the main drivers for a large surface combatant, such as the Type 055.

    Several studies have painted the SPY-6 +15dB sensitivity improvement requirement over SPY-1D (V) from marginally adequate to inadequate in the missile defense role. The latter recommended a radar with at least +30dB (1000x) sensitivity improvement. That would require an array size that would dwarf even that installed on the Type 055.
     
  3. Jura
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    Jura General

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    Andy what exactly is your "reload" below
     
  4. AndrewS
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    AndrewS Captain
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    I'm not disputing that a Type-55 sized ship is useful. But I doubt that an even larger ship would work out
     
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  5. AndrewS
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    AndrewS Captain
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    Imagine a ship fires off all its missiles and has to reload the VLS in port.

    Call it one sortie per week from mainland China.
     
  6. TK3600
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    TK3600 New Member
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    My take: larger ship will not work now, but it could in future. As sensor needs grows, power consumption increase as rail gun and direct energy is used, ship would grow larger to accomodate. As of now, 52D is probably more efficient. 55 could already be overkill. But as the ship gets older, it needs some future proofing to support the new toys. That is why 055 is overbuilt. It may not be efficient today, but once future upgrade is considered it will be efficient. And the next ship would also be too large like 055, but it pays off in future.
     
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  7. AndrewS
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    AndrewS Captain
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    I used to think the Chinese Navy should discontinue the smaller Type-52 hull, and just standardise on the larger Type-55 hull which is more future proofed.
    In the long-run that should work out cheaper for a Global Navy, as there would still be lots of smaller Type-52 and Type-54 hulls available as well.

    But the strategic situation has gotten much worse over the past 2 years, so I think it's better to focus spending on ships which have a greater benefit now rather than in the future.

    So future proofing can be de-prioritised, because the standardised VLS means there's no risk of the Type-52D or Type-55 becoming obsolete during their lifespan.
     
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  8. Tam
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    Tam Captain
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    Only because your comparison is using a different ship with an inferior radar and sensor layout.

    Assuming theoretically, you managed to fit the full sensor suite of the 055 into a 052X hull, making in effect, a mini-055 with 64 cells, the cost to launch each missile would be higher.

    The electronics suite on the 055 is more than just for the SAMs. Additional X-band AESA. Phase arrays for the datalinks. Massive ECM arrays. LPI surface radars. This is a ship that is more undetectable, more survivable, more able to integrate data from a networked environment.
     
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  9. TK3600
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    TK3600 New Member
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    Type 52D is produced much faster than type-55, so I think PLAN is doing exactly that.
     
  10. by78
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    by78 Brigadier

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    Dalian update.

    (1600 × 1200)
    [​IMG]
     
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