AD-AOSI III NAVAL OCEAN SYSTEkS CENTER SAN D1160 CA FS1/TORPEDO NK 46 PHYSICAL CHARACYERISTZCS. (U) PS1/

AUS 7S Rt T SIMERAL

UNCLASSIFIED NOSC/TD-195 .........

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Technical Document 195

TORPEDO MVK 46 PHYSICALCHARACTERISTICS

RT SimeralAugust 1978

109

APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED

La.. NAVAL OCEAN SYSTEMS CENTERSAN DIEGO, CALIFORNIA 92152

ILI

NAVAL OCEAN SYSTEMS CENTER. SAN DIEGO, CA 92152

AN ACTIVITY OF THE NAVAL MATERIAL COMMAND

RR GAVAZZI, CAPT. USN HL BLOODCommander Technical Director

ADMINISTRATIVE STATEMENT

This work is a compilation of engineering information generated dur-ing the design of the Torpedo MK 46 and Mods. The data is used extensivelyat NOSC, and this document makes it available to other activities.

The report was reviewed for technical adequacy by E. G. Parks and edited byA. N. Saltzman of this Center.

Released by Under authority ofR. L. Matthews, Head M. 0. Heinrich, HeadTorpedo Division Torpedo and Countermeasures Department

2 idi ? 79

GOVERNMENT-INDUSTRY DATA EXCHANGE PROGRAM

AGENERAL DOCUMENT SUMMARY SHEETPI".." .l oM;... - S- -i R n ; ' .-,,o.o

A~t~-NM UTU 2 OMPONENT/PART NAME PER GIDEP SUBJECT ThESAURUIS

7___________ _ "Specifications arnd Pl.ans, Parameters

4. MFR NOT FICATION OCUMENT SSUE (MRn- EY.,

_______________________________________ NOTIFIED E1NOT APPLICABL- Au g 0 7Armt Propelled 1111III

- OlIKATORS 5SGOT MNT TITLE l -

Torpedo MK 46 Physical Characteristics o ] GEN RPT NONSTD PART []SPEC

* 0UIIRIT r.U oNUMU 9 ORIGINATOR*S PART NAME/ !DEN T F ICAT ON

JJ~NOSC TD-.195." N/A l-N U U EMENTS ACCESS NO It. ENVIRONMENTAL IXPOSURE CODES

None N/AN/. MANUFACTURER 13. MANUFACTURER PART NUMBER 14. INDUSTRY/GOVERNMENT STANDARD NUMBERN/A

15. OUTLINE, TABLE OF CONTENTS, SUMMARY. OR EQUIVALENT DESCRIPTION

Describes the MK 46 Torpedo in schematics with identification of essentialcharacteristics in tabular form. Depending on its configuration, the MK 46

dimensions are about as follows: Length 102 inches, diameter 12.8 inches,weight 512 lb. Major elements of the MK 46 are Transducer Nose, Warhead

or Exercise Head, Fuel Tank and Afterbody Assembly. Among the configura-tions described are the WARSHOT Models 1, 2, 4, and 5, the Fleet ExerciseConfiguration and the Fleet Tracking Configuration.

§

80 3 114. KEY 'NORD$ FORe INDEXING

Torpedo; MK 46; Characteristics; WARSHOT (Doc Des-S)17 OID REPRESENTAV E PARTICIPANT ACTIVITY AND CODE USN , Nava l Ocean s Sy stem s

Joseph Hirsch Center, San Diego, CA (Y3)

N M ?I-/ REPRODUCTION OR DISPLAY OF THIS MATERIAL FOR 33 1NO.V _SALES OR PUBLICITY PURPOSES IS PROHIBITED

I.I

CONTENTS

MK 46 Mods I and 2 Warshot (with Warhead MK 103 Mod 0)... page 3

MK 46 Mods I and 2 Warshot (with Warhead MK 103 Mod 1)... 4

MK 46 Mods I and 2 Inert Warshot (with Inert Warhead MK 103 Mod 1)... 5

MK 46 Mods I and 2 Fleet Exercise Configuration ... 6

MK 46 Mods I and 2 Fleet Tracking Configuration... 7

MK 46 Mods I and 2 Fleet Buoyant Exercise Configuration ... 8

MK 46 Mods I and 2 Fleet Buoyant Tracking Configuration... 9

MK 46 Mod 4 Warshot (with Warhead MK 103 Mod 0) "Captor"... 10

MK 46 Mod 4 Warshot (with Warhead MK 103 Mod 1) "Captor"... 1MK 46 Mod 4 Inert Warshot (with Inert Warhead MK 103 Mod 1) "Captor"... 12

MK 46 Mod 4 Non 3-D Range Exercise Configuration "Captor"... 13

MK 46 Mod 4 3-D Range Exercise, Autec-Barstur "Captor"... 14

MK 46 Mod 4 3-D Range Exercise, Nanoose "Captor"... 15

MK 46 Mod 5 Warshot (with Warhead MK 103 Mod 0) "Neartip"... 16

MK 46 Mod 5 Warshot (with Warhead MK 103 Mod 1) "Neartip"... 17

MK 46 Mod 5 Inert Warshot (with Inert Warhead MK 103 Mod 1) "Neartip". . . 18

MK 46 Mod 5 3-D Range Exercise Configuration "Neartip"... 19

MK 46 Mod 5 Fleet Buoyant Exercise Configuration "Neartip" . . 20

Main Assembly, MK 46 Mods I and 2 ... 21

Main Assembly, MK 46 Mod 4 ("Captor") ... 22

Main Assembly, MK 46 Mod 5 ("Neartip") ... 23Miscellaneous Information... 25

MK 46 Mod I Evaluation Units (1964) Weight and Balance Chart... 26Sync Clock Vehicle, MK 46 Mod 1 (1965) Weight and Balance Chart ... 27

Fleet Buoyancy Configuration, MK 46 Mod 1 ( 1969) Weight and Balance Chart ... 28MK 46 Mods Major Component Weights... 29, 30

MK 46 Mods Coordination, Outline and Fitment Drawing Lists... 31

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MISCELLANEOUS INFORMATION

25

0 12.412 IN. 25.912 IN, 66.100 IN. 100.241 IN.

EXERCISE12 3/4 IN. TRANSDUCER HEAD AFTERSODY

DIAM NOSE OR ::ASSEMBLY1.28I

WARHEAD

EVALUATION UNITS (19641

MK46MOD1 CG=Wx/W.

Item Weight (Ib) x (in.) Wx (in.-b)

Nose - Transducer and Guidance .................... 61.00 5.50 335.5Warhead and Ex. Hd. (Lead wts 74 lb a( Sta. 21.71) .... 131.90 19.10 2520.0Control Group and Controller (Bendix new design) ...... 31.00 33.00 1022.0Fuel Section. Metal Parts Only ...................... 70.00 49.00 3430.0CO2 Bottle (filled) and Valves ...................... 3.00 49.50 299.9 lb 148.5Joints: Forward ................. .............. 1.00 12.25 12.2

Center ..................... 00 25.25 25.3A ft ........................... ........ 1.00 65.25 65.2

AfterbodyShell ........................................ 3200 75.35 2780.0Engine Clevite HG-5.5B ......................... 25.00 81.10 2027.5Combustion Chamber and Grain .................. 6.00 69.00 414.0Water Pump ............................. .... 4.00 70.35 282.0Fuel Pum p ................................... 5.00 70.35 351.7Alternator ................................... 9.40 70.45 662.3Gear Train. Access Plate Support ................. 7.00 73.85 119.7 lb 147.5 9271.6Actuators (3) D.C. Motors ....................... 8.00 86.55 692.4Rudders and Elevators (4) ....................... 5.00 88.65 443.2Shaft Assembly and Props ....................... 12.00 94.35 1132.2W arm Plug ................................... .3 67.00 21.0Seawater Battery .............................. 1.00 67.85 67.8

Miscellaneous: Valves, Tubes, Cables, Screws, ec . ...... 5.00 50.00 250.0

419.60 40.2-CG 16830.3Fuel ................. 90.00 53 4760

509.6 42.4 21590.3

26

0 12.412 IN. 25.912 IN. 32.287 IN. 66.100 IN. 100.241 IN.

EXERCISE U L ]

TRNDCR HEAD SYNC FUEL TANK ISHORT) ATERBODYNOE WITH 74 LB CLOCK ASSEMBLY

LEAD

SYNC CLOCK VEHICLE (1965)

MK 46 MOD 1

Item Weight (Ib) x (in.) Wx (in.-lb)

Nose Transducer .................... 61.00 5.50 336.0Exercise Head (74 lb lead) .............. 132.00 19.10 2520.0Sync Clock Unit 3D (shell only = 13 Ib) .... 30.00 30.31 910.0Control Group (Bendix) ............... 31.00 39.5 1245.0Short Fuel Tank, Metal Parts Only ..... 56.00 53.0 2970.0Afterbody, Complete ................. 120.00 77.5 9300.0Joints: Forward .................... .75 12.2 9.2

Center ...................... .75 25.2 18.9Extra for Clock .................. 75 32.0 24.0Aft ........................ .75 65.2 49.0

Total Dry ........ 433.00 40.2 = CG 17382.1Fuel ............ 60.00 56.0 3400.0

493.00 42.2 = CG 20782.1

DATA - WEIGHT. TRIM AND BUOYANCY

Condition Weight CG CB Displacement Buoyancy(Ib) (in.) (in.) Seawater (Ib) (Ib)

No Fuel, With Lead 433 40.2 42.35 392.8 -40No Fuel, No Lead 359 44.4 42.75 385.8 #27

With Fuel, With Lead 493 42.2 42.35 392.8 -100With Fuel. No Lead 419 45.9 42.75 385.8 -33

27

109.784 IN.PARA PAK

0 12.412 IN. 25.912 IN. 39.662 IN. 73.475 IN. NUT

I 13.75 IN. 107.616__________ IINDSUBS.EXERCISE - Y U I

TRANSDUCER H EXTENDER : A^O,NOSE K 85 OD CONTROL FUEL TANK (SHORT) FEBD

(126.125 LB) GROUP

FLEET BUOYANCY CONFIGURATION - MK 46 MOD 1 (1969)

Item Weight (Ib) x (in.) Wx (in.-lb)

Nose Transducer and Guidance ............................... 61.0 5.5 336.0

Exercise Head Mk 85 Mod 0 (74 lb lead @ 21.71 in.) ............... 126.12 19.02 2400.0

Control Group ............................................. 31.00 33.0 1022.0

Fuel Tank - SHORT

Shell ................................................... 33.00 57.16 5 1885.0

Baffle Assy. (CO 2 bottle, 3.65 Ib; Reg. Intl'k Cable, Ret. Ring, etr ).. . 25.15 63.2 J 1580.0

Extender, 13.75 in .......................................... 13.00 34.412 448.0

Afterbody Assembly ........................................ 120.00 87.0 10440.0

Joints: Forw ard .......................................... .5 12.75 6.4

N o. 2 ............................................. .5 25.25 12.6N o . 3 ............................... .............. .5 40 .0 20 .0

A ft .............................................. .5 73.0 36.5

Para Pak Nut (.98 Ib) or Tube Nut (.78 Ib) ...................... Use 1.0 109.0 109.0End of Run, No Fuel, With Lead - TOTAL ...................... 412.27 44.4 = CG 18295.5

PLUS FUEL .................. +59 64.00 3778.0

Beginning of Run, With Fuel, With Lead - TOTAL ................ 471.27 46.8 = CG 22073.5MINUS LEAD ........... -74.00 21.71 -1610.0

Beginning of Run, Abort, With Fuel, No Lead- TOTAL ............ 397.27 51.5 = CG 20463.5

MINUS FUEL ....... -59.00 64.00 -3778.0End of Run, Recovery, No Fuel, No Lead ....................... 338.27 49.2 = CG 16685.5

DATA - WEIGHT, TRIM AND BUOYANCY

Weight CG CB Displacement BuoyancyCondition (Ib) (in.) (in.) Seawater (Ib) (Ib)

No Fuel, With LeadEnd of Run and Shop Weight 412.27 44.4 46.03 427.52 +15.25

No Fuel, No LeadEnd of Run, Recovery 338.27 49.2 46.43 420.52 +82.25

With Fuel, With LeadBeginning of Run, Launch 471.27 46.8 46.03 427.52 -43.75

With Fuel, No LeadBeginning of Run, Abort 397.27 51.5 46.43 420.52 +23.25

28

TORPEDO MK 46 MODSMAJOR COMPONENT WEIGHTS

Weight(Ib)

Transducer Nose AssemblyNeartip (MK 46 Mod 5) ................ ..................... 1

PIP (Product Improvement Program) ............................ 62PTP (Point To Point) ......................................... (13-3/4

Guidance Group (With Bucket Shields)Neartip (Transmitter 6.78 lb: Receiver 12.4 Ib: Fwd Cap 1.82 Ib) ........... 21

P IP ...................................................... 2 2PT P .... ......... .. ....... ... .. ..... ....... ..... ..... .... . 23-3/4

Transducer N ose Shell ................................................ 12Transducer and Associated Equip . ...................................... 18Diaphragm , Backplate, etc ............................................. I 0

WarheadM K 103 M od 0 (H-6) ............................................ 132MK 103 Mod I (PBXN-103) ....................................... 130.25

Exercise HeadM K 85 M od I .................................................. 132M K 85 M od 2 .................................................. 12(1MK 85 Mod 3 (Fleet Configuration) ................................. 141)

M K 85 M od 4 .................................................. I2 -I/2MK 85 Mod 5 (Proofing Version of MK 85 -. Ex [lead for Neartip) ....... 132Digital Data Recorder Ex Head - PL3277406 ......................... 132

Control GroupNeartip ....................................................... . I

P IP .. ..................................................... 2().2

P T P ........................................................I .7

Fuel Tank (Short), Complete Assembly (No Fuel) .......................... 58*With Anti-Slosh Compartment .......................... (,3**

S hell ..... ......... ...... ....... ...... .................. ..... . 3 3Baffle A ssem bly ................................................ 15CO 2 Bottle (Full) and Holder ...................................... oT ank C able .................................................... 4Anti-Slosh Com partment ......................................... 5

Fuel Tank (Long), Complete Assembly (No Fuel) ......................... 80tShell .................................................... 43Baffle A ssem bly ................................................ 27

*Fuel capacity max = 59 lb**Fuel capacity max = 57 lbtFuel capacity max = 87 lb

Otto Fuel II = 10.25 lb per gal. (0.0444 lb/In3 )

29

Weight(Ib)

C able ..... ... .. .... .. ... .. ... .. ..... .... ..... ... .... .. ..... .. 4CO ' Bottle and Holder .......................................... 6

Electronic Module (Captor Only) ...................................... 1.3

Afterbody Assemblies (Includes Oil and Grain) For:M K 46 M ods I and 2 ............................................ 120MK 46 Mod 4 (With Captor Cable and New Coolant Valve) .............. 122.2MK 46 Mod 5 (Neartip with 2 Speed Valve) .......................... 122.3

A fterbody Shell ................................................ 32F ins (4 ) ............... ................ ....................... 8A ctuato r .. .... .. ..... ... ... .. ...... .... .. .. ....... ....... ... . 8C ab le ........................................................ IBronze, Sleeve. Seal and Bearing Assembly ........................... 4Props and N uts ................................................ 7Engine A ssem bly ............................................... 28C oolant Pum p ................................................. 4F uel Pum p .................................................... 5Com bustion Cham ber ........................................... 0A lternator .................................................... 10A ccessory Bulkhead ............................................ 7Captor Coolant Valve ........................................... INeartip 2 Speed Valve ........................................... 2.3

Miscellaneous ComponentsPositive Buoyant Extender ( 13-3/4 in. Long) ......................... 13Sync Clock (6-3/8 in. Long) Assemblies

NTS: Shell (10-1/2 Ib), Transducer (3 Ib). Clock (14-1/2 Ib) ......... 28Autec: Shell (II Ib), Transducer (3 Ib), Clock (10-1/2 Ib) ........... 24-1/2

Joint Rings, O-Ring and Cover Plate ................................ 1/2Exhaust Valves: Captor ( 1.0 Ib), Para-Pak (0.98 Ib). Tube (0.78 Ib) ........ Use IMK 19 Torpedo Recovery Locator Beacon (TRL) ..................... .45 KC Hit Locating Device (HLD) ................................. 3-1/29 KC Acoustic Locating Device (ALD) .............................. 2Practice Exploder .............................................. IMK 72 Mod 0 Sonar Transmitter ................................... 9-3/8MK 84 Mod 0 Sonar Transmitter ................................... 12-5/8Flooding Valve (0.85 Ib) ......................................... Use I45 KC "M ini-Pinger . ........................................... 1-1/2Shipping Adaptor (2539238) ..................................... 8Shipping Nut. Prop Shaft (Plastic) .................................. 1/4Prop Lock. Shipping (Captor) ..................................... 1/2

AccessoriesMK 27 Mod 0 Stabilizer. Torpedo (ASROC) .......................... 2 1-1/2MK 28 Mods 2 and 3 Stabilizer, Torpedo (Fixed Wing) .................. 2 1-1/2MK 31 Mod 0 Stabilizer. Torpedo (Helicopter) ........................ 9-1/2MK 8 Mod 2 Cap. Nose. Torpedo (ASROC) .......................... 2-1/2Bands and Accessories. Lanyards ................................... a 12

30

30

OTHER USEFUL WEIGHT, BALANCE AND BUOYANCYINFORMATION AND COORDINATION DRAWINGS

SHOWING INSTALLED BANDSAND ACCESSORIES*

Coordination Drawing, Torpedo MK 46 Mods I and 2 ..................... 1579)422

MK 46 Mod I Outline and Fitnment Characteristics ........................ 2530)302

C'oordination Data, MK 46 Mod 5S............... ..................... 3236 1MK 46 Mod 5 Outline and Fitment Characteristics ........................ 3236 122

*These drawings arc available in drawing microfilm file.

31