![]() ![]() Avoid the curve of the sail, and make sure to take a photo and record the measurement on the form. Simply secure the tape measure at either the Tack or Clew and pull it taunt in a straight line to the other. Take another photo of the tape measure at the Clew, record the measurements, and retract the tape measure. Again, avoid adjusting for any curve in the sail and measure a straight line from top to bottom making sure to pull the sail tight. Leaving the tape measure positioned at the head of the sail simply pivot along the foot of the sail and pull the tape taunt from the Head to the Clew corner. Take a photo of the tape measure at the Tack and record the length on your measurement form. Make sure to draw a straight line from the head to the tack with the tape measure and pull the sail as taunt as you can to avoid any wrinkles and folds. Do not adjust for the curve of the sail as older sails can stretch and incorrectly render the dimensions needed. And then pull it taunt to the Tack corner. (Some tape measures have clips which can be used to hold onto the webbing, or alternately have someone hold the tape measure in place). Simply place the tape measure at the Head of your sail. Apply a firm amount of tension while taking the measurement. Think about when you are winching your sail and how much force is being applied tension the surface. Pulling on the sail in this way recreates similar tension placed on the sail when it is in use and will give the maximum dimension of your current sail. You can do this by securing one end of the sail with a screw-driver placed in the ground or by having another person hold the opposite corner. When taking these measurements, make sure to put tension on the sail to avoid any wrinkles or folds. Make sure that there is nothing on the ground that will mark, scrape or distort your sail before laying it out. Remove sails from your boat and tension the cornersĬhoose a place nearby that has a flat non-obtrusive surface grass fields and baseball parks work well for this. Something (or someone) to secure one end of the sail when applying tension.Long tape measure, or a Reeled Long Tape measure.All together this should only take around 15-20 minutes. Two people will make the process much faster and will result is better measurements. Here is all the information you need in order to take the measurements from your existing Mainsail or Headsail and your tack set-back/set-up. ![]()
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