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The plate frequently contains the names of the machine and its manufacturer, so the rating plate is often called a name plate (hence the term "nameplate capacity" for a generator), although many devices carry separate nameplates and rating plates. [1] For an electric machine, the power rating is the number on its rating plate and corresponds to ...
Whether using a displacement or planing vessel, one should select an appropriate power level; too much power is wasteful (adding unnecessary weight), and may often be dangerous. [22] Boats built in the US have Coast Guard Rating Plates, which specify the maximum recommended engine powers for the hulls. In the united kingdom, boats have CE ...
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In the UK, the United Kingdom Hydrographic Office, the Witherby Publishing Group and the Nautical Institute provide numerous navigational publications, including charts, publications on how to navigate and passage planning publications. [1] [2] In the US, publications are issued by the US government and US Coast Guard.
To account for the frictional resistance Froude decided to tow a series of flat plates and measure the resistance of these plates, which were of the same wetted surface area and length as the model ship, and subtract this frictional resistance from the total resistance and get the remainder as the residuary resistance.
The process of determining the PHRF for an individual boat begins with the regional PHRF rating, then adjustments are made for the individual attributes of the boat such as: modifications to the rig, the size of the largest foresail (jib or genoa), the size of the spinnakers, type of keel (full, fin, wing etc.), the number of blades on the propeller, and the style of the propeller (fixed ...
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The Recreational Craft Directive, Directive 2013/53/EU, originally Directive 94/25/EC on recreational craft [1] amended by Directive 2003/44/EC, is a European Union directive which sets out minimum technical, safety and environmental standards for boats, personal watercraft, marine engines and components in Europe.