In reply to The Green Giant: 50kn! Are you lifting a bus? A Petzl Rescue pully has a WL of 8KN (4kn single) and a BL of 36KN and that's a pretty strong pulley.
Looking for alternatives to slack lining pulleys. Although, it has occurred to me it wouldn't have to be as much as the load would be dispersed between multiple pulleys as it would be in a system.
30kn is more like it I guess. With steel oval caribiners being around that too.
Fri Night Vid Finding Focus - Life Behind The Lens of a Climbing Photographer
This week's Friday Night Video is a portrait of a prolific climbing photographer from Wedge Climbing. Sam Pratt is well known in both the outdoor and competition scene but if you haven't heard of him, you've likely seen...