R Class Measurement Form (self verifying)
IMPORTANT - This form is intended as an aid to measurement. If you feel the calculated measurement does not reflect the true area you may need to make changes to the calculation. If in doubt please seek clarification. Rule 9.1.1 states "The objective is to measure the maximum surface area of the working sails as fairly as possible. If the recommended technique should prove inadequate the measurer shall make appropriate adjustments to achieve this objective".
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