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Harken Vang-Master 

Part 

No.

Description

Typical boat length

 PCLO Pin center  

length closed

PCLC - Pin center  

length open

Stroke

Pin 

Ø

Mast/boom fitting  

thickness*

ft

m

in

mm

in

mm

in

mm

in

mm

in

mm

VM13240

Vang-Master 1

18 - 26

5.5 - 7.9

32

813

40

1016

8

203

3/8

10

1/4

6

VM24353

Vang-Master 2

18 - 26

5.5 - 7.9

43

1092

53

1346

10

254

3/8

10

1/4

6

VM33444

Vang-Master 3

25 - 36

7.6 - 11

34

864

44

1118

10

254

1/2

12.7

1/4

6

VM44656

Vang-Master 4

25 - 36

7.6 - 11

46

1168

56

1422

10

254

1/2

12.7

1/2

12

VM54860

Vang-Master 5

35 - 46

10.7 - 14

48

1219

60

1524

12

305

1/2

12.7

1/2

12

VM66274

Vang-Master 6

35 - 46

10.7 - 14

62

1575

74

1880

12

305

5/8

15.9

5/8

16

VM76274

Vang-Master 7

45 - 56

13.7 - 17.1

62

1575

74

1880

12

305

5/8

15.9

5/8

16

VM87385

Vang-Master 8

45 - 56

13.7 - 17.1

73

1854

85

2159

12

305

5/8

15.9

5/8

16

Standard Sizes - 

See next page for popular production boat applications.

Vang-Master rigid vangs are available for boats with vang fittings on the boom and mast partner. If your boat is not equipped with vang fittings on mast 
and boom, or if fitting width or pin diameter will not fit jaw and pin sizes listed in the chart below, contact Harken for information.

Vang sizing

Vang-Master sizes are based on boat size and PCLC (pin center length closed). 
PCLC - measure the distance between vang pins with boom pulled down.
PCLO (pin center length open) - Push boom up to the maximum desired height and measure the distance between vang pins.
Select size that fits your range from chart below

.

VM13240

Part number code

Size
PCLC in inches  

(pin center length closed)

PCLO in inches  

(pin center length open)

Deck

PCLC

(Pin center 

length closed)

PCLO

(Pin center 

length open)

Blocks and line for purchase systems

Blocks and line are sold separately. Order block and line kits to build 4:1 or 6:1 mechanical advantage in 

single- or double-ended configurations. These systems cascade the primary purchase to 8:1 or 12:1 in the 

VM1 through VM6 vangs and 16:1 or 24:1 in the VM7 and VM8 vangs.

See block and tackle reeving instructions on pages 8 to 11.

*Mast/boom fitting thicknesses are 

listed. Vang fork ends will fit these 

tang widths.

Part 

No.

Block kit description

Purchase

Includes

Use with

7500

4:1 Single-ended 40 mm Carbo

4:1

(1) 2655 fiddle, (1) 2658 fiddle, 6 mm line

VM1, VM2, VM3

7501

4:1 Double-ended 40 mm Carbo

4:1

(1) 2638 double, (3) 2636 single, 6 mm line

VM1, VM2, VM3

7502

6:1 Single-ended 40 mm Carbo

6:1

(1) 2640 triple, (1) 2613 triple, 6 mm line

VM1, VM2, VM3

7503

6:1 Double-ended 40 mm Carbo

6:1

(1) 2640 triple, (1) 2638 double, (2) 2636 single, 6 mm line

VM1, VM2, VM3

7504

4:1 Single-ended 57 mm Carbo

4:1

(1) 2621 fiddle, (1) 2676 fiddle, 8 mm line

VM4, VM5, VM6

7505

4:1 Double-ended 57 mm Carbo

4:1

(1) 2602 double, (3) 2600 single, 8 mm line

VM4, VM5, VM6

7506

6:1 Single-ended 57 mm Carbo

6:1

(1) 2604 triple, (1) 2630 triple, 8 mm line

VM4, VM5, VM6

7507

6:1 Double-ended 57 mm Carbo

6:1

(1) 2604 triple, (1) 2602 double, (2) 2600 single, 8 mm line

VM4, VM5, VM6

7508

4:1 Single-ended 75 mm Carbo

4:1

(1) 2690 fiddle, (1) 2697 fiddle, 10 mm line

VM7, VM8

7509

4:1 Double-ended 75 mm Carbo

4:1

(1) 2662 double, (3) 2660 single, 10 mm line

VM7, VM8

7510

6:1 Single-ended 75 mm Carbo

6:1

(1) 2664 triple, (1) 2686 triple, 10 mm line

VM7, VM8

7511

6:1 Double-ended 75 mm Carbo

6:1

(1) 2664 triple, (1) 2662 double, (2) 2660 single, 10 mm line

VM7, VM8

Introduction 

Ordering and Specifications

      Installed  
4:1 single ended 
      system

Summary of Contents for Vang-Master VM-1

Page 1: ...cing the equipment This manual may be modified without notice See www harken com manuals for updated versions PLEASE SAVE THESE INSTRUCTIONS Harken Vang Master INSTALLATION MANUAL Installation Manual Intended for specialized personnel or expert users 5384 V1 03 21 ...

Page 2: ...s Purpose The Harken Vang Master is designed to attach to the mast and boom on a sailboat as a mainsail control Use of this product for other than normal sailboat applications is not covered by the limited warranty Safety Precautions CAUTION This symbol alerts you to potential hazards that may hurt you and others if you do not follow instructions The message will tell you how to reduce the chance ...

Page 3: ...arken block and tackle to loop to create a cascaded purchase system that is either 8 1 or 12 1 The block and tackle can have an integral cleat or set up to be double ended and led aft to cleats on the boat The VM7 and VM8 come with an additional lead ring and deadend for a 4 1 cascaded purchase which is cascaded again for a 16 1 or 24 1 purchase Use existing vang gooseneck on mast and boom lug to ...

Page 4: ...enter length open Deck PCLC Pin center length closed PCLO Pin center length open Blocks and line for purchase systems Blocks and line are sold separately Order block and line kits to build 4 1 or 6 1 mechanical advantage in single or double ended configurations These systems cascade the primary purchase to 8 1 or 12 1 in the VM1 through VM6 vangs and 16 1 or 24 1 in the VM7 and VM8 vangs See block...

Page 5: ...rim 27 Hinckley Bremuda 40 Dk 46 Soverel 33 Hallberg Rassy 42 Sydney 40 Flying Tiger F 10 Cabo Rico 38 Benetau First 40 7 J 99 Passport 40 Henderson 30 Sabere 42 Farr Mumm 30 Antrim 40 Melges 32 Cf 40 Ordering Custom Length Vang Master Rigid Vangs 1 Boat Information Boat type or model _______________________________________________ Spar builder ____________________________________________________ ...

Page 6: ...ttings and also check for good rotation 45 Degrees Optimal vang angle Reeving block and tackle See following pages for how to reeve block and tackle sold separately Use the main halyard to hold the boom horizontal Installing new mast fitting Check fit of vang gooseneck to be sure it seats flat on the aft sides of the mast Be sure to mount the fitting right side up If using an existing vang goosene...

Page 7: ...f service is attempted by non specialized personnel Do not disassemble the Vang Master unless you are an authorized Harken service center IMPORTANT Exposure to some teak cleaners and other caustic solutions can result in discoloration of part and is not covered under the Harken warranty See www harken com manuals or the Harken catalog Decommissioning When removing the boom for winter storage or tr...

Page 8: ... for 8 1 purchase 2658 2676 2697 Attached to vang cross bar 4 1 Reeving 7500 7504 7508 Single ended cascaded system Remove becket to attach eye Line will be spliced to 40 mm fiddle 2658 Attached to cascaded 4 1 line for 16 1 purchase VM7 and VM8 Installation Reeving Blocks ...

Page 9: ...2662 2636 2600 2660 Three singles Led to cam cleats Sold separetely Attached to deck 4 1 Reeving 7501 7505 7509 Double ended cascaded system Attached to primary 2 1 line for 8 1 purchase Attached to cascaded 4 1 line for a 16 1 VM7 and VM8 Installation Reeving Blocks ...

Page 10: ...04 2664 2642 2630 2686 Attached to cross bar 1 Attached to primary 2 1 line for 12 1 purchase Attached to cascaded 4 1 line for a 24 1 VM7 and VM8 Reeving diagram shown without block structure for clarity Installation Reeving Blocks Remove becket to attach eye Line will be spliced to 40 mm triple 2640 ...

Page 11: ... cross bar Reeving diagram shown without block structure for clarity 6 1 Reeving 7503 7507 7511 Double ended cascaded system Attached to primary 2 1 line for 12 1 purchase Attached to cascaded 4 1 line for a 24 1 VM7 and VM8 1 Attached to deck Led to cam cleats Sold separately Installation Reeving Blocks ...

Page 12: ... 75 Web www harken pl Email polska harken com Harken Sweden AB Main Office and Harken Brandstore Västmannagatan 81B SE 113 26 Stockholm Sweden Tel 46 303 618 75 Fax 46 303 618 76 Mailing address Harken Sweden AB Box 64 SE 440 30 Marstrand Email harken harken se Harken UK Ltd Bearing House Ampress Lane Lymington Hampshire S041 8LW England Tel 44 01590 689122 Fax 44 01590 610274 Web www harken co uk...

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