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	Mast Measurament
	Name Surname   Telephon number E-mail Sail Type Boat Type   Hull lenght ft Hull weight ton Mast Measurament P m   E m       Battels Short Full m Rule Measurament Check the requirement of the rule to design the sail. If you have a measurament, please send a copy! IMS IRM IRC Class Other Mast Bend Zero backstay: measurament the mast band in static contition without any backstay tension; 60% backstay: to band of the mast for normal sailing condition, apply a moderate tension; Maximum backstay: to band the mast in a maximum tension; Zero backstay 60% backstay Maximum backstay ¾  mm    mm    mm   ½  mm    mm    mm   ¼  mm    mm    mm   Mast/Boom measurament 1 m Measure from black band from the aft face of the mast 2 mm If you have an outhaul car and track, measure the lenght Reef measurament (only if the reef block are fixed along the boom, leave blank if the block are end of the boom) 3  m Reef first lenght 4  m Reef second lenght 5  m Reef third lenght         6  mm Gate Lenght: measure the lenght of the entry gate 7  mm Feeder Height: measure up from the mast entry to the boom 8  mm Tack Up: measure from the top of the boom to the bearing surface of the tack fitting 9  mm Tack Back: measure from the bearing surface to the aft face of the mast 10  mm Reef Back: measure from the bearing surface to the aft face of the reef fitting               Boom details Bolt Rope  mm  mm   Flat Slide Barrel Slide External Track Slide    mm  mm Measure the circonference of the boom near  the outhaul  mm Mast details Bolt Rope  mm  mm   Flat Slide Barrel Slide External Track Slide    mm  mm Notes