For the purposes of a handicap it is necessary to provide the actual dimensions of all sails - including downwind sails. The data on the site may well help but didn't include any downwind sail data.
However, not all Twisters have a 145% genoa. Some Twisters have a slightly taller mast. Some have cruising chutes. Spinnaker sizes vary. Having navigated the JCH handicap I am helping Charles with his.
I've also put the dimensions of a genoa [Viveza] on the website together with dimensions of a top down furler [Viveza again] and two spinnakers - one of which came from Roquetta and one from Rompa.
These won't help with handicap measurements but may help Owners who look to see if a borrowed or second hand sail may suit.
If anybody want to send me actual dimensions of a sail I'll post them.
Peter
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