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The mast and boom are
known jointly as the rig. The mast is the vertical
spar, made of carbon fibre, up which the mainsail and
various headsails are hoisted. It is about 36m tall and
weighs 800kg load, held up by various wires running to the
front (forestay) and back (backstays) of the boat. Sideways
support is given by shrouds. The boom is a carbon
fibre spar about 9m long which supports the foot of the
mainsail. It weighs 70kg.
