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Violin pulley | BF-D® Block-Friction

20273

BF®, the Block-Friction® violin ring – has an exceptional weight/strength ratio (10 times lighter than a pulley), designed for a heavy static load.

The Friction Blocks can be used to make vang or mainsail 3:1 or 4:1 hoists on dinghies, as well as Cunningham adjustment hoists, or clew hoists on larger vessels. 

Materials: Dyneema® / UHMWPE / Flexible TPE / Duralumin

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Product Name
€42.88
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Description

BF®, the Block-Friction® violin ring FrD® – has an exceptional weight/strength ratio (10 times lighter than a pulley), designed for a heavy static load.

The Friction Blocks can be used to make vang or mainsail 3:1 or 4:1 hoists on dinghies, as well as Cunningham adjustment hoists, or clew hoists on larger vessels. 

+ Uses
  • Bobstays
  • Foresail 3D trim
  • Hoists (mainsail, vang, running backstay,…etc)
  • Double sheet hauler
  • Bridle

Data sheet

  • Nodus Factory FrD low friction ring in Duralumin ¬ Grey and orange
  • Block® ring, clamping and holding ring, made of technical PA, which can lock and quickly fix a low-friction ring.
  • Loop textile®, core and sheath made of 100% Nodex® R2 12fx pre-stretched, coated ¬ Light grey
  • Strength certified by veritas

Product Details

Designation Breaking Load Sail Area Length Internal Ø  Recommended Rope Ø 
Ring 40 Nds Ring Sheet / Haleyard
Anneau violon kN

M2 ≥ 180° 

cm mm mm
BFrD 14-10 18 / 15 60 7 14/10 8/6
BFrD 20-14 50 / 18 120 13 25/20 14/10

Advantages

  • Weight/strength ratio
  • Performance, lightness and reliability
  • Reliable and maintenance free