Sample from "Illustrated Sail & Rig Tuning" from Dedekam Design
   
Tuning diagram (Page references in parentheses)
 
Masthead rig
   
Handtighten cap shrouds until mast is vertical. (62)
Adjust mast rake with forestay and backstay. (63)
Tension cap shrouds to 15% of break. load. (66).
Set the mast pre-bend. (67)
Check and adjust maximum mast bend. (69)
Check and adjust the cap shrouds under sail. (71)
Straighten the mast sideways under sail. (72-75)
 
NB! This rig has either forward lower shrouds or a baby-stay.
 

 
 
 
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