When the decision comes down to looks, comfort and speed consider the Ocean 48'
The condition and West Coast equipment are unique to this outstanding Ocean 48 Super Sport. Constantly updated and improved over the years. If you just started looking for a loaded 50' sport fisher under $200k don't be surprised if its gone before you can see it, act now this won't last long. For those of you who have been looking for months your wait could be over.
This is the two stateroom model with a down galley. The salon is very spacious with a L shaped- settee, two occasional chairs and a large dinette. There is generous storage under the settee for rods and equipment. The "L" settee is complemented with a teak hi/low coffee table that expands for more dining area. Opposite the salon the dinette seats 4 or 5 at the fixed teak table. This is the only Forty-Eight Ocean Super Sport with forward salon windows. The entertainment area is forward port side of the salon and features a large TV, Sony DVD, surround theatre stereo system. There is a built in wet bar with icemaker and ample storage. Both of the staterooms are equipped with TV's / DVD's stereos. There is a washing machine and dryer in the galley area, the heads are Sealand Vacuflush.
The 6-71Ti is based on the same design as that of the very first engine which Detroit Diesel built back in 1938. These first engines were built for the Navy's landing craft and are commonly referred to as "Gray Marines". There is no engine in the world which has such a solid reputation as being the most reliable and durable engine as the 6-71.
In 1988 Detroit Diesel invested nearly two million dollars to apply the latest technology to the 6-71 by increasing its rating for pleasure craft to 485 BHP. This investment enabled the engine to maintain a world class reputation and remain the leader int he 500 BHP range.
Detroit Diesel marine engines are rated in both brake horsepower and shaft horsepower. Brake horsepower is the horsepower produced at the flywheel, while shaft horsepower is the horsepower available at the output flange of the transmission.Typically the shaft horsepower is 3% less than the BHP due to the parasitic losses in the transmission.
From the initial order engines are specified not only to be marine engines but also as port and starboard models. While both models are right hand rotation engines, they are configured to have inboard access by the operator. With a single turbocharged engine this also designates that the exhaust outlet will be outboard.
The following is a breakdown of the Detroit Diesel nomenclature:
6 = 6 cylinders
71 = 71 cubic inches per cylinder
T = Turbocharged
I = Inter-cooled
The diesel engine is an internal combustion power unit, in which the heat of fuel is converted into work in the cylinder of the engine.
In the diesel engine, air alone is compressed in the cylinder: then, after the air has been compressed, a charge of fuel is sprayed and ignition is accomplished by the heat of compression.
In the two-cycle engine, intake and exhaust take place during part of the compression and power strokes respectively. In contrast a four-cycle engine requires four piston strokes to complete an operating cycle: thus, during one half of its operation, the four-cycle engine functions merely as an air pump.
A blower is provided to force air into the cylinders for expelling the exhaust gases and to supply the cylinders with fresh air for combustion. The cylinder wall contains a row of ports which are above the piston when it is at the bottom of its stroke. These ports admit the air from the blower into the cylinder as soon as the rim of the piston uncovers the ports.
The unidirectional flow of air toward the exhaust valves produces a scavenging effect, leaving the cylinders full of clean air when the piston again covers the inlet ports.
As the piston continues on the upward stroke, the exhaust valves close and the charge of fresh air is subjected to compression.
Shortly before the piston reaches its highest position, the required amount of fuel is sprayed into the combustion chamber by the unit fuel injector. The intense heat generated during the high compression of the air ignites the fine fuel spray immediately. The combustion continues until the fuel injected has been burned.
The resulting pressure forces the piston downward on its power stroke. The exhaust valves are again opened when the piston is about half way down, allowing the burned gases to escape into the exhaust manifold. Shortly thereafter, the downward moving piston uncovers the inlet ports and the cylinder is again swept with clean scavenging air. This entire combustion cycle is completed in each cylinder for each revolution of the crankshaft, or in other words, in two strokes: hence, it is a "two stroke cycle".
The greatest advantage of the 2-cycle marine engines are the rate of acceleration, and the low level of vibration. Every down stroke of the piston is a power stroke, therefore there are twice as many firing impulses at any given time over a four-stroke engine. This enables the engine to adjust quicker to throttle position changes and along with the characteristics of the engine's torque curve, provides better acceleration. As the firing frequency is twice as high as a four stroke, the engine operates with less vibration. Because of this, transmission, torsional coupling and mount manufacturers in many cases are able to approve higher ratings for their products without any degradation in their durability.
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