Poulie à rouleau HR plat pont Wichard.
Poulie à rouleau HR plat pont Wichard.

Single HR roller block - Sheave 80 - Cheek block - M5

Part #42120

Description

Complete range of blocks for yachts and mega yachts
High working and breaking loads
Excellent high-speed low load and high-function load characteristics
Alloy sheaves design to suit modern ropes
Protection of the sheave by the cheeks for added durability 
Interchangeable head fastening systems for multiple attachment methods
Multiple position, grub screw lockable head post swivel                              

Applications

Genoa and spinnaker sheets
Mainsail systems and travelers
Running backstays

Technical information

  • Materials Torlon® roller bearing
    Forged HR stainless steel shackle
    Stainless steel swivel head
    Hard anodized aluminium sheave
    Aluminium cheeks (hard coat anodization) + Teflon
  • Rope size Pour cordage de 12 à 14 mm
  • Length (mm) 112
  • Width (mm) 83
  • Thickness (mm) 33
  • Sheave diameter (mm) 80
  • Working load (kg) 1600
  • Breaking load (kg) 4000
  • Weight (g) 488

Caption

Working load (WL) : for nautical applications

Working Load Limit (WLL): for industrial applications only.
The safety factor is 5 times the breaking load.
WLL = Breaking load / 5