[quote=samc99us]revintage,
Chafe is certainly manageable but can appear where you may not think; for example it shows up on dyneema trap lines where the traps cross the shrouds (think long double wire spinnaker runs).
While your statement is partially accurate regarding avoiding a rigging shop, its not 100% true. In order to build a correct set of shrouds/forestay for a beach cat, you really need to load the finished product with a thousand or more pounds of force (at least 50% of the rated breaking strength of the line) to set the splices. Otherwise you will be constantly adjusting the rigging for the first few outings and can end up in a situation where the shrouds are too long and you need to completely re-splice. Most folks don't have a hydraulic press available. You can use a mainsheet system as an alternative but need a spot to rig it.
Creep can occur over time as well and most shroud systems are prone to changes in temperature (wire length increasing/decreasing). Point is you may show up to the boat one day and its okay, and a week later its no longer tensioned properly. Most rec sailors don't throw a loos gauge on the boat before they go sailing (heck many club racers don't either!). That's my point; with dyneema rigging you are more prone to error across the first few sails than with wire, which generally sets on the first outing and you are good for the life of the rigging.[/quote]
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