First, I don't why any one would want to use ANY rope for life lines. there are a number of reasons NOT to use fiber life lines. Even in the one design classes that allow them,most have gone back to 1x19 wire. The fiber life lines require CONSTANT monitoring,and maintenance.The worst place for chafe is at the stanchions,and will require extra chafe protection. I've used the braided DYNEEMA anti chafe cover at the those points to help reduce chafe. It only holds out for so long,then needs to be replaced.So I guess I would use the same type of line for the webbing. If you spliced it in to the life lines there would not be any chafe issues.Chafe at those spots will not be a concern compared to the stanchions. I did not mention the U.V. issues,or the huge cost difference with fiber life lines.
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