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6

No the keel doesn't move. You can find the class rules for the Maxi 72 class here. The relevant rule is D.2.4 which specifies One fixed centreline keel, solid in profile. No part shall be adjustable when racing and there shall be no movement beyond the normal elasticity of the materials used. No wings or winglets. I short they have a fixed keel. I ...


4

It is a 'on station grinder' a centralized station for turning the winches of the sheets (lines) attached to the clue of a sail. they are multi-speed meaning you can have a serious mechanical advantage (5,10 15 30:1) under dire conditions that a 2 speed winch with a handle simple can not work unless you have Arnold on board. and even then.. generally used ...


3

It is a winch. Which is used to generate a larger force needed to for bigger boats. What it actually controls is not entirely clear. My best guess would be its for the main halyard (to raise the sail) or at least something to do with the sail. Looking at this picture the man is looking up at the sail in harbour while using the winch in question so I would ...



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