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Old 06-05-2013
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Re: Shroud tension by feel

New rigging is more like several hundred on a Ranger 23. It's a lot cheaper when you have shorter and smaller diameter wire.

This is what Catalina suggests for rigging tension on a Catalina 25 (3/16" uppers):
The upper shrouds should be firm but not tight. A 50 pound push should deflect the upper shroud about 1" at shoulder height.

Not as accurate as a Loos Gauge, but pretty simple to check.

If I remember correctly the book "Sail and Rig Tuning" does have methods for accurately measuring rig tension without using a Loos Gauge. I think you'll find this at many marine stores.
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