us stealth ship design

8/18/2019 US Stealth Ship Design

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Sea Shadow

1983 to 2006


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Program HistoryDARPA / Navy Sponsor

• Designed & Buil t in 23 Months CY 83-85

• At-sea Signature Testing CY 85-86

• Reactivated & Modified CY 92-93

• Signature & Performance Testing CY 93

• Fleet Exercise CY 94

• Analysis & Applications CY 86-87 & 93-97

• Fleet & Industry Test Ops in San Diego

CY 97-06


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Dimensions & Outline

Displacement 560 LT

Overall Length 164 Ft

Beam, Maximum 68 Ft

Draft 14.5 Ft

Lower Hull Dia, Max 10 FtUpper Hull Clearance 8 Ft

Propulsion Diesel Electric

Sea State

Operate SS-4

Survive SS-5

Range* 1000NM @ 10 Kt

Payload Capabil ity 51 LT* Required range; tank volume

accommodates 2250 NM


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Improved Seakeeping

Q4-1010/005

0 4 8 12 16 20WAVE PERIOD IN SECONDS

HEAVE MOTION RESPONSECANTED STRUTS

H E A V E A M P L I T U D E

W A V E H E I G H T

0°

15°

30°45°

STRUT CANT


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Power & Propulsion System

BRIDGECONTROL

SWTCHGR

SCR'S750 KW

600V GENDIESEL

PORT

STBD

PROP

OIL LUBE

S.T. BRG

FLEX

COUPLING

TILT PADTHRUST BRG

800 HPDC PROP

MOTOR

4:1

REDUCTION

GEAR

COMMONBEDPLATE

RESILIANT

MOUNTS

600/440VXFMR


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Reduced Manning Bridge


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Reduced Manning Engineering Station


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Ship Monitoring & Control System

DGDU-2COMPUTER

B

COMPUTER A

UPPER

HULL

BRIDGE

RTU-4

RTU-3

FXTU-2

RTU-6

RTU-2

RTU-1

RTU-5

SWITCH GEAR RM

PROPULSION/STABLIZERROOM

PASSAGE CANARD RM

LOWER HULL (PORT)

LOWER HULL (STBD)

DGDU-1DGDU-1

FXTU-3

FXTU-1

DIESEL GENERATOR RM

DGDU-2

FXTU-4

PUMP RM


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Distributed Computing Demonstration

CONTROL FINS

E T H E R N E T

PROP MOTORS

ENGINEERING &

A LA RMS SYSEL EM ENTS

FU E L X FER &

BALLAST SYSELEM ENTS

FUEL XFER

TERMUNITS(FXTUs)

REM OTE TERM

UNITS (RTUs) A

CMPTR PANELINDICATORS& SWITCHES

NAVCMPTR

MCCMPTR

INU

TLM XC VR

G PS RX

NAV

SENSORS

HDG GRYO

VERT GRYO

DOPPLER

S ERVO

A MPRA CK

HD-2CMPTR

HD-3CMPTR

MOTIONCONTROL

PANEL

NATU PANELINDICATORS

BCMPTR

HD-1CMPTR


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Manufacturing


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Hughes Mining Barge

Modified to support Sea Shadow at-sea Ops


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Hughes Mining Barge (former life)


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Hughes Mining Barge


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Modular Construction

13

15

16 14

9

10

12

8

11

5

2

1

1A

6

7

3

4

• 4 Separate Hull Module

Fabrication Facilities

• HTS Frames

• HY 100 Shell


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HMB with Construction Structure


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Propulsion Systems


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Bridge Development & Test Bed


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January 1985


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February 1985


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STBD Bow


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STBD Stern


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Port Stern


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Stern


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Payload Bay


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Ready for Sea Testing


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Transit Under Bay Bridge


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Under Golden Gate Bridge

Headed to Santa Cruz Island


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Santa Cruz Operations


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SCARF

Santa Cruz Acoustic Range Facility


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SCRIF

Santa Cruz Radar Imaging Facility


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SCRIF

The Radars


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Testing on the Santa Cruz Range


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Crew Access from SC Island to HMB

Transit Boat Access Dock 386 Stairs and Trail

to Bunk House


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Small Boats replaced by Helo

Small Boat Docking to side of HMB

Helo Landing on HMB


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HMB and Single Point Moor at SCI


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Helo Landing on the HMB


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San Francisco Bay Operations


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Sec Def Dr William Perry 1993


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Dr Perry Receiving Gratuitous Advice


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San Diego Operations

HMB 1 ith Sea Shado


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HMB 1 with Sea Shadow

Naval Station San Diego Pier


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Misc


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F h N d h G S


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From the Newsstand at the Grocery Store


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A l Shi


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Arsenal Ship

VLSTK

TK TK

TK

1.16 in

1.22 in

onDWL

1.12 inatMnDk

MIDSHIP SECTION

Baseline

Mn Dk 42-9"ABL

1st Platf15-0"ABL

Innerbottom 5'-0" ABL

DWL 26'-6" ABL2ndDk 33-9"ABL

15 deg

3rdDk 24'-9"ABL

BRIDGE

GTGSPACECIC

GALLEY

STACK0102

Baseline

0102

OUTBOARD PROFILEBOW VIEW

MNDK

11.14 in

1.22 in

PLANOUTBOARD PROFILE

DWL26-6" ABL

BASELINE

207307531581630 157 107257357431 STATIONS IN FEET

SWGR RM

MTRRM

STRG GRRM

EMERG GEN

PUMPRM

CREW LIV

INBOARD PROFILE

PUMP RM

MNDK2ndDK

1st PLATF

LOA

MISSILE SHIP

CONCEPT ARRGT

FULL LOAD DISPL - 20,000 LT

FUEL/BLST

10.83 in

9/13/95

COMMCTR

MLRS

NTACMS

WEAPONS PAYLOAD

VLS- 384 TUBES

2 - MLRS LAUNCHERS

¥ 144 M26 PODS STOWED(864 M77 ROCKETS)

2 - NTACMS LAUNCHERS ¥ 144 WEAPONS PODS STOWED

NTACMS

ELEV

ELEXMAG

MLRS

MAG

MLRS LAUNCHER RM& READY RM

(66 M26 POIDS)

FUEL

CREW LIV

LMMS MARINE SYSTEMS

A.MANNINO

GTGSPACE

ELEXEQUIP

3rdDK

7

ELEV

VLS(64)

VLS

(64)

BLST TK BLST TK BLST TK

UNASS

57481

32

32

32

32

VLS

32

32

32

32

32

32

32

32

VLS

VLS(64)

VLS

(64)

VLS

(64)

VLS

(64)

HELOPAD

MESS DK

AMR AMR

OFFLIV

CPOLIVUNASS STOWAGE

UNASS

STOWAGE

GUNMAG

GUNMAGGTG SPACEGTG SPACE

STACK

SWGRRMUNASS UNASS

394

MK V P t l B t


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MK V Patrol Boat

StatisticsLength Overall 82 ft.

Beam, maximum 17.5 ft.

Draft (max.

static)5 ft.

Displacement 57+ tons in operational configuration

Speed 50 knots

Hull Design Mono hull, 5086 series aluminum

Propulsion 2 x 2285 HP MTU 12V396 TE94 engines

Propulsor 2 x KaMeWa K50S Waterjets

Fuel Capacity 2600 gallons fuel capacity

Nav System Radar, GPS, LORAN, chart plotter, fathometer, flux

gate compass

Communication

s Systems

VHF-BTB, VHF-FM, UHF/VHF-FM UHF AM/FM,

LOS/SATCOM, VHF-High Band, HF, UHF-handheld,

data, IFF

Accommodation

s

5 crew; up to 16 passengers and up to 4 CRRC + 6

outboard motors and fuel

Builder Halter Marine Inc., Gulfport, Miss.

Weapons Load 5 mounting positions for 7.62 mm machine guns or

miniguns, .50 Cal heavy machine guns, 40mm

grenade launchers; improvements include 7.62mmgatling guns, twin .50 Cal, 25mm guns, STINGER

Surface-to-Air Missiles

Adm Hogg (ret)


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gg ( )

Director Strategic Studies Group

March 2005


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20 Years of Operations

Don Young with his Team


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g

Sea Shadow Ready for Sea

HMB C


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HMB Crew


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Family Day 1993


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SS Bridge – A Favorite Spot for a Photo


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Sea Shadow 20th AnniversaryThe People that made it Happen


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The People


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The People


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HMB 1 with Sea Shadow


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Suisun Mothball Fleet with USS Iowa


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Assembled by Dick Paquette

[email protected]

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