I'd recommend measuring your rig. During production sometimes rigging
dimensions change. The mast
in my boat is actually shorter than the 'factory' dimensions I found online.
If you don't have a really long tape just get a line attach to a halyard
, pull it up to the mast
, mark it, and then take it down and measure. Take all the standard rig dimensions.
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I is measured along the front of mast from the genoa halyard
to the main deck
. The main deck
is where the deck would be if there were no deckhouse.
J is the base of the foretriangle measured along the deck from the headstay pin to the front of the mast.
P is the luff length of the mainsail
, measured along the aft face of the mast from the top of the boom to the highest point that the mainsail
can be hoisted, or to the black band if there is one.
E is the foot length of the mainsail, measured along the boom from the aft face of the mast to the outermost point on the boom to which the main can be pulled, or to the black band if there is one..
ISP is similar to I. It is measured from the highest spinnaker
halyard to the main deck.
JSP is the length of the spinnaker
pole or the distance from the forward end of the bowsprit
(fully extended) to the front face of the mast.
Py and Ey, respectively, are the luff length and foot length of the mizzen of a yawl or ketch
, measured in the same way as for the mainsail.
Iy is the measurement from the staysail halyard to the main deck.
Jy is the measurement from the staysail stay pin to the front face of the mast.
LP is the shortest distance between the clew and the luff of the genoa