What Is Stern Tube Its Working And Function Marine Infosite 1. cooling system not functioning properly 2. friction in stern tube and its bearing. check the cooling pump working, all valves in the line. check the current drawn by the pump motor, it will increase as the pump becomes worn and the water recirculates from the discharge side back to the suction side inside the pump. Re: the proper fixture for water cooled stern tube. the tube aft of the rubber seal is metal for a hundred cm or so (where the hole is). aft of that the tube runs into a composite skeg integral with the hull. for the moment, have a ratchet strap holding in a wooden plug down into the leaking hole, under some tension.
Understanding Stern Tube Arrangement On Ships The stern tube is a hollow tube that holds the shaft that connects the engine to the propeller. this shaft is known as the tail shaft or the propeller shaft. the tube is made from either cast iron or mild steel. as the propeller is submerged at all times, the stern tube connects the inside of the ship (engine room) directly to the seawater. Ai enhanced description. the stern tube is a hollow tube running through the bottom of a ship that contains the propeller shaft. it connects the main engine to the propeller and supports the large weight of the propeller. stern tubes are designed to keep water from leaking into the ship while allowing the propeller shaft to rotate freely. Fresh seawater is normally drawn by a belt driven pump from a thru hull fitting in hull of boat on inboards, or by water pump in stern drive through the lower unit water passages on an inboard outboard, and then exits the boat through the exhaust. ^click to enlarge^ figure 2 shows the typical "enclosed" cooling system. this configuration. How it works: yacht stern gear. beyond a yacht's gearbox lies the stern gear, the coupling that connects the engine power to the propeller shaft. astern of a yacht’s gearbox you will find the coupling that connects the power output shaft to the propeller shaft. the propeller shaft itself is usually made from a mild steel – a material that.
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