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Air tube is usually displayed on the upper deck at some height above it, where it protects the end of the grid. Filler-most are made with screw caps. In such cases, it is important to ensure a watertight closure cap and ensure the purity of the refueling deck. Openings should be located so that accidental spills when filling the fuel did not fall into the hold of the boat. When refueling and fuel transfer rink is possible static electricity, which can provide a spark.
All threaded pipe joints must have a reliable seal, and at the outlet from the tank feeding the engine must be equipped with a conduit closing Crapo. The design of the fuel system must provide for periodic filter and the descent of the sludge tanks.
Good practice is to store the fuel supply is not in one big pot, but a few, with separate power supply to the engine. This allows you to keep some fuel in the event of an accident with a tank or pipeline, as well as to feed the engine in heavy weather of a full tank to avoid the breakthrough of air into the system.
Reversing-gear transmission.
Automobile engine is fitted with a clutch and a gearbox with three or four forward and one reverse gear. For the boat enough to have one front and one reverse gear. Nevertheless, no significant alterations to the boat to install the gearbox are not recommended. Firstly, the use of direct transmission speed of propeller shaft is too high for most boats. The efficiency of the propeller turns and low engine power is not fully used. Second, when switching to reverse the screw speed decreases sharply.
To ensure an acceptable reverse option can be used when, instead of second gear transmission box in the engine is used with two-row chain drive motor circuit and the stars of the motorcycle.
It should be remembered that in all cases the use of automotive transmissions as reverse-reduction gear system is necessary to install the thrust bearing shafting, which is perceived to axial pressure created by the propeller on the front and rear track. |
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