We have produced some simple measurement guides for owners*, please see below (PDF format). 

Mainsail

Gaff rig P, E and mainsail widths

Headsail

What is headsail LLmax?

Headsail data on cutter rigged boats

Spinnaker

Rig (P, E, J, FL, STL)

Running Rigging explained

If you have any queries please contact your Rule Authority, thank you.

*If you need an Endorsed certificate for your chosen events, then data will need to be officially measured, again please contact your Rule Authority about this.

 
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Header images by:

John Crawley (CAN IRC)  
Jinno (c/o JPN IRC)
 
 
 
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