Know your Nautical terminology
rudder
A steering device that is placed aft and is pivoted about a (usually vertical) axis to generate a yawing moment from the hydrodynamic forces that act on the rudder blade when it is angled to the flow of water over it. There are several types of rudder, which generally divide into outboard or inboard. An outboard rudder is hung (hinged) on the stern of the vessel. An inboard rudder has a stock which passes through a gland in the hull, with the structure of the hull continuing towards the stern above the rudder. A spade rudder is hinged solely on the stock and has no lower bearing to help take the loads. Other rudder types may be hinged on an extension of the keel or on a skeg. Rudders may be balanced, by having some of the blade extend in front of the stock.
This should not be confused with a rutter.
rutter
a mariner's handbook of written sailing directions. Before the advent of nautical charts, rutters were the primary store of geographic information for maritime navigation.
Rutters were VERY valuable commodities in their time. They were generally encrypted, using a system designed by the navigator and larger unreadable by anyone else.
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Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)