Sail-plan Measurements
Every sail-plan has maximum dimensions. These maxima are for the largest sail possible and they are defined by a letter abbreviation.
- J The base of the foretriangle measured along the deck from the forestay pin to the front of the mast.
- I The height measured along the front of mast from the jib halyard to the deck.
- E The foot length of the mainsail along the boom.
- P The luff length of the mainsail measured along the aft of the mast from the top of the boom to the highest point that the mainsail can be hoisted at the top of the mast.
- Ey The length of a second boom (For a Ketch or Yawl).
- Py The height of the second mast from the boom to the top of the mast.
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