8 - Boom vang

Depending on the yacht, there are typically two different situations:

1) Control lines that runs through blocks, with a gear ratio (e.g. 1:4) damping the effect of rope tension and elongation on sail trim. Here good grip, some flexibility are most important. The boom vang needs to be easy to manually handle.

2) Lines in systems, often taking the total load (so without gear). These lines should have higher strength and low elongation to ensure good a sail trim. The sail stays flat with increasing winds. Cruising yachts can use polyester or step up to SK38 Dyneema® or Stirotex® for a boom vang.

Suggested length, click here

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  1. DX Core 78
    SKU: PRR450
    Application: Control line, Backstay
    This rope, completely made of Dyneema® SK78 (12 strands coated) fibers, is extremely strong, has low elongation and low weight. The coating ensures UV resistance and better abrasion resistance. This general purpose rope is ideal for e.g. loops, shackles, rigging, boom vang, outhaul and cunningham. It is also very good for kite surfing lines. Learn More

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