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Boats that are bow coxed rely on communication between the bow and the cox - as the cox cannot see boats coming up from behind. The bow pair tend to be the smallest of the rowers in the boat. In an 8 boat, bow pair, strength wise, is where the weaker rowers seat. Although weaker, they have some of the best technique out of the whole boat.
A Single-Pole, Single-Throw (SPST) mercury switch on millimetre graph paper, device length approximately 1.5 cm Another mercury switch design. A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit.
forestay or headstay reaches from the foremast-head towards the bowsprit end mainstay extends to the ship's stem. The mizzenstay stretches to a collar on the main-mast, immediately above the quarterdeck.
Port side and starboard side respectively refer to the left and right sides of the vessel, when aboard and facing the bow. The port and starboard sides of the vessel always refer to the same portion of the vessel's structure, and do not depend on the position of someone aboard the vessel.
A pedestal sump pump with a float switch. A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices. One type of float switch uses a mercury switch inside a hinged float.
The Anderson turn (also known as a single turn) is a manoeuvre commonly used to bring a ship or boat with engines back to a point it previously passed through, often for the purpose of recovering a casualty in the quickest time possible. [1] The Anderson turn is most appropriate when the point to be reached remains clearly visible.
A polar diagram, or polar plot, is a graph that shows a sailboat's potential speed over a range of wind speeds and relative wind angles. [1] It normally consists of the right side of a line chart with the radius representing the yacht speed and the angle representing the wind direction blowing from top to bottom.
Valve seats are often formed by first press-fitting an approximately cylindrical piece of a hardened metal alloy, such as Stellite, into a cast depression in a cylinder head above each eventual valve stem position, [1] and then machining a conical-section surface into the valve seat that will mate with a corresponding conical section of the ...