J/27 Technical Specifications

Sail Area Calculations (from SailboatRigdimensions.com)

Mainsail Area = P x E / 2

Headsail Area = (Luff x LP) / 2 (LP = shortest distance between clew and Luff)

Genoa Area 150% = ( 1.5 x J x I ) / 2

Genoa Area 135% = ( 1.35 x J x I ) / 2

Fore-triangle 100% = ( I x J ) / 2

Spinnaker Area = 1.8 x J x I