Longtail engine repair, most use old Toyota 1.5 or 2litre diesel engines.
The long-tail boat is a type of watercraft native to Southeast Asia, which uses a common automotive engine as a readily available and maintainable powerplant. A craft designed to carry passengers on a river may include a lightweight long canoe hull, up to 30 meters, and a canopy. There is much variation among these boats, and in rural areas they may be improvised from bamboo and traditional materials—the sole defining characteristic is a secondhand car or truck engine.
This engine is invariably mounted on an inboard turret-like pole which can rotate through 180 degrees, allowing steering by thrust vectoring. The propeller is mounted directly on the driveshaft with no additional gearing or transmission. Usually the engine also swivels up and down to provide a "neutral gear" where the propeller does not contact the water. The driveshaft must be extended by several meters of metal rod to properly position the propeller, giving the boat its name and distinct appearance.
Advantages to the inboard engine with a long driveshaft include keeping the engine relatively dry. Following the basic design pattern allows a variety of engines to be attached to a variety of different kinds of hulls. This flexibility simplifies construction and maintenance while sacrificing the efficiency and comfort that might be expected of a typical mass-produced product.
Cooling to the engine is provided by a shaped metal pipe strewn underneath the rear running board which is used as a rudimentary heat-exchanger. This is then coupled to the engine using rubber or plastic hoses. Clean water is then used as the coolant.
Control is achieved by moving the engine with a lever stick attached to the inboard side. Ignition and throttle controls provide simple means to control this simple craft. Larger boats may include more than one "tail," with several operators piloting in tandem.
Taken on: 19th January, 2011. Copyright: All Rights Reserved - See konstantynowicz's page of Flickr
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