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Trim guide

Nick Craig wrote a brief trimming guide, older guides are not much help anymore as the class went for carbon masts in 2003.
The guide is in pdf (Acrobat Reader) format, for easy print out.
Trim Guide (PDF, 48 KB)

Technical Manual

This Technical Manual is based on a print version from the british association.
It is very old, some information is based on wooden masts, while carbon masts are the standard, so take care with the information given, some might be out of date.
As some new OK sailors still find some information in this manual useful, we published it.
Technical Manual