Instructions for applying sail numbers class rule 4 with 27 e for laser radial and 28 e for laser 4 7 require that your sail numbers and national letters if used are a certain size and colour and are placed on the sail in a certain position.
Applying laser sail numbers.
All boats must comply with these rules for racing.
Ilca has an easy up to date guide for the application of numbers and letters published annually in the ilca handbook and available on the website as well.
The first 2 numbers on all laser sails are red the last 4 numbers are black spread the sail out on a clean dry and flat surface with the starboard side right side facing forward facing up.
The leech back edge of the sail will be on the right hand side.
Instructions for applying sail numbers.
If you follow the guide your numbers and letters will comply with the class rules.
How to number a laser sail spread the sail out on a clean dry and flat surface with the starboard side right side facing forward facing up.
Make sure you are using the correct diagram for the design of sail you are applying the numbers to.
Follow the same method as for the starboard side starting with the number or letter closest to the leech the last digit of the full sail number or the last national letter and working along the base line away from the leech.
Working slowly continue to peel small portions of the paper off and smooth out the dacron.
Measure 400 mm from the fore most end.
Measure 100 mm from the leech and 400 mm from the center of the middle batten pocket and make a small pencil mark.
National letters are only required at world and continental championships and other.
Measure 400 mm from the fore most end of.
Take care on numbers with a hole to not stretch the dacron material as you apply it.
Measure 100 mm from the leech and 400 mm from the center of the middle batten pocket and make a small pencil mark.
Make sure you are using the correct diagram for the design of sail you are applying the numbers to.
Spread the sail out flat on the working surface so that the port side of the sail is facing up.
The leech back edge of the sail will be on the left hand side as shown in the positioning diagrams.
Stick the corner in the desired location on the sail and smooth it out making sure there are no air bubbles.
Measure 100 mm from the leech and 400 mm from the center of the middle batten pocket and make a small.
Spread the sail out flat on the working surface so that the starboard side of the sail is facing up.
