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SELECTION GUIDE

Six Harken block-and-tackle vang systems, from a 4:1 V-Jam to a 6:1 double-ended cascaded kicker, with the block and cleat part numbers for small boat, midrange and big boat sizes.

DocumentHarken Boom Vang Selection Guide
FormatPDF · 1 page · 2.3 MB
LanguageEnglish
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Boat SizesPart NumbersSystemsProducts
Harken Boom Vang Selection Guide

Typical Boat Length

Size Boat length
Small Boat 6.7–8.5 m (22–28')
Midrange 8.8–10.4 m (29–34')
Big Boat 10.7–12.8 m (35–42')

Part numbers represent the hardware most commonly used.

Vang Hardware by System

Diagram ref. Description Small Boat Midrange Big Boat
4:1 V-Jam
A Double 226 – –
B Fiddle 245 – –
15:1 Cascaded Vang
A Dinghy vang 447 – –
B Lower unit 455 – –
C Single 405 – –
D Double 407 – –
4:1 Fiddle
A Fiddle 2655 2621 6099
B Fiddle 2658 2624 6085
8:1 Cascaded Fiddle
A Single 300 304 308
B Fiddle 2655 2621 1559
C Fiddle 2658 2624 1564
4:1 Cascaded Kicker
A Fiddle 2655 2621 1559
B Fiddle 2658 2624 1564
6:1 Double-Ended Cascaded Kicker
A Triple 344 2640 2604
B Double 342 2638 2602
C Single 349 2652 2600
D Cam cleat 241 240 240

The Systems

  • 4:1 V-Jam: simple self-cleating vang for small dinghies.
  • 15:1 Cascaded Vang: a 3:1 cascade inside a 5:1 purchase; for dinghies and light daysailers with mains to 11.6 m² (125 ft²).
  • 4:1 Fiddle: the basic fiddle block vang for dinghies and small keelboats.
  • 8:1 Cascaded Fiddle: a doubling block takes the purchase to 8:1 and halves the load on the fiddle blocks, so they can be used on larger boats.
  • 4:1 Cascaded Kicker: rigid rod vang with a 4:1 tackle; the rod also acts as a topping lift. Cruising and racing boats.
  • 6:1 Double-Ended Cascaded Kicker: control line led down each side of the boat, as many racers rig it.

Harken boom vang systems with diagram references A to D

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Products in this Selection Guide