Type 45 Destroyer capabilities, page 1


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reply posted on 15-2-2006 @ 06:30 AM by paperplane_uk
BAE have a website devoted to it

www.type45.com...

The S1850M radar is a volume search radar and not an active phased array (that is the Sampson Radar)

Sampson is every bit as good as the current US radar systems (they are working on upgrades that should surpass it tho)

[edit on 15-2-2006 by paperplane_uk]


reply posted on 15-2-2006 @ 06:35 AM by paperplane_uk
Here are the basics:

Length: 152.4m
Max Beam: 21.2m
Displacement: Approximately 7,350 tonnes
Speed: 27 knots +
Range: 7000 nautical miles at 18 knots
Complement: approx. 190 (with space for 235)
Stores endurance: 45 days
Structure in accordance with Lloyds Naval Ship Rules

SYSTEMS
PAAMS
PAAMS has been designed to match and defeat the evolving threat of attacks from sophisticated anti-ship missiles and to deal with attacks by aircraft. It can control a substantial number of missiles in the air at once, thus making it difficult for attackers to swamp the Royal Navy's air defences. PAAMS equipment carried by each ship will include a 48-cell Sylver Vertical Launching System (VLS) for Aster missiles. Also central to the PAAMS system are the highly capable SAMPSON Multi-Function Radar (MFR) for surveillance and fire control, the S1850 Long-Range Radar (LRR) for air/surface search, and the Command and Control system.

SAMPSON
Multi-Function, Active Array Radar




The SAMPSON family of radars combines surveillance and dedicated tracking roles into a single system. Sited high on the ship, it can detect and track attacking aircraft and missiles while providing guidance for the ship’s own missiles. It supports point and area defence against current and future forecast air threats in an environment of heavy jamming and land and sea clutter. Functionality includes long- and medium-range search, surface picture and high-speed horizon search. It also performs high-angle search and track, multiple target tracking and multiple channel fire control.

S1850M Long-Range Radar
This provides three-dimensional long-range air surveillance and surface surveillance for PAAMS and other ship systems.

ASTER Missiles
The mixture of shorter-range Aster 15 and longer-range Aster 30 missiles selected for the Type 45 are faster and more agile than the previous generation. Exceptional agility is achieved in the ‘end-game’ using a lateral thrust system – commonly known as PIF, PAF.

Projected Combat System

PAAMS (Long Range Radar, Multi-Function Radar)
Aster 15 and Aster 30 missiles
Identification, Friend or Foe
Combat Management System
Navigation Suite
Communications Suite
Electronic Warfare Suite
Meteorological Suite
Optical and Electro-optical Detection
Medium Calibre Gun
Close Range Guns
Sonar
Anti-torpedo Defence
Data Links
Helicopter - Lynx or Merlin
Provision for Surface to Surface guided weapon
Provision for Anti Air Warfare Inner Layer Defence
Provision for Torpedo Launch Systems

and dont forget the IPOD sockets in each berth!!!!



reply posted on 16-2-2006 @ 04:20 AM by paperplane_uk
The type 45 has 2 radars. The first is the S1850M volume search radar (rear mast on the vessel) this is a traditional type radar system used for long range high volume search. It was developed as part of the PAAMS when we were part of the horizon frigate progamme. When we switch to the type 45 development it was retained as a legacy part of the design. it is actually not needed (according to BAE systems) as the type 45s have the addition of the Sampson radar system.

It was originally developed by Siemens-Plessey, the radar is a result of UK government's (DERA) investment in the MESAR demonstrator programme (Multi-function Electronically Scanned ARray.) Siemens-Plessey was acquired by British Aerospace in 1997, now BAE Systems.

As an active array, SAMPSON uses software to shape and direct its beam allowing several functions to be carried out at once and, through adaptive waveform control, is virtually immune to enemy jamming. Active arrays have both longer range and higher accuracy than conventional radars.

People all too often fall into the trap of thinking that because the samson radar rototes it must be a mechanically scanned array. This is simply not true. The system consists of two arrays placed back to back. These two arrays are both electronically scanning active phased arrays. The design choices for using the two rotating arrays are that it will save weight and thereby allow the radar to be sighted higher up giving a larger range with little or no loss in functionality.

The combination of the rotating back to back arrays (rotating at over 30rpm, actual value is classified) and the electronic scanning mean that it can put a a beam anywhere at anytime (they are coordinated by special software). Bae investigated a number of different designs including 1, 2, 3, 4 and 5 (a vertical one) arrays and found the 2 rotating array design to be the best choice in performance vs weight.

As an aside in a recent test the sampson radar being tested near Portsmouth tracked all aircraft flying into and out of heathrow, Gatwick, Stanstead, Paris CDG, Berlin and Schiphol (amsterdam) at the same time.

Lockheed were so impressed with the designs a few years ago they even talked about joining forces with Bae on future devlopment of radars.

www.defense-aerospace.com...


reply posted on 16-2-2006 @ 09:37 AM by paperplane_uk
One of the favourtie saying in naval design circles at the moment is "fitted for but not with". This is used when they have identified capabilities that would be useful but that they know the government will not fund at the moment. The control systems are designed to be expandable to cope with additional weapons fit during the course of their life. It also means space and weight allowance has to be available which is included in the inital design (they are called growth margins) As such the type 45 is fitted for but not with:

Space is available for stingray torpedo tubes to be plumbed in near the hanger in a similar position to the type 23's, The systems will most likely come of retiring vessels.

space is available for a CIWS system to be mounted, either goal keeper, phalanx or another system (naval metal storm anyone????)

there is space to put in an s2s missile system, most likely the Harpoon launchers off the retiring type 42's

There is also space beside and below the vertical launch system for additional units, it is speculated that these may be sylver 70 launchers (in which case the mythical aster 45 , or scalp missiles would be procured. There is however still a chance that they might install US launch systems capable of firing tommahawk, or Standard 3's (or whatever replaces them). This last capability is being discussed to be installed as part of any UK ABM system.

It is unlikely the Navy will get the money for all of these systems but if they did..............one can dream!!!!

the type 45 would then have a proper weapons fit!!!

[edit on 16-2-2006 by paperplane_uk]
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