The benefits of marine gas-turbine engines ... the myth that you need your own oil well to operate a boat powered by a gas-turbine engine. Yes, turbines can be a bit pricey and they’re generally not as fuel-efficient as diesel engines, but you don’t have ...

you go about achieving that objective. An engine gone bad is often the spark for repowering, but there is usually much more involved than just the engine itself. For instance, do you stick with the same ... decision. It is vital to remember that you should be looking not just at the engine, but at the entire ...

. Engines: 2 x 1,920 hp MTU 12V 2000 M 94 diesels Ocean Alexander, 954-779-1950; www ...

, capacity and range. The composites used to build the boat were engineered from a proprietary formula developed for the Navy by Hodgdon’s engineers. All the experience gained from working on Mako and other naval vessels was applied to the most recent big project — an ultrahigh-performance triple-engine ...

the fresh-air vent to the amidships engine room. In keeping with the traditional theme of this design ... of guest staterooms separate the master from the engine room. The Classic 90 rides on a semidisplacement ... : 5’4” Displ.: 99 long tons Fuel: 2,750 gal. Water: 1,000 gal. Engines: 2 x 1 ...

. These engines live beneath the salon, just abaft the guest staterooms, and keep the cockpit sole low enough to make the best use of the tailgate. A jackshaft connects each engine to its pod drive unit. Inland ... : 160 gal. Engines: 2 x Volvo Penta IPS 800s Inland Sound Yachts, 360-302-0687; isyachts ...

engines you need. The decision between one engine or two can be perplexing ... the engines, but the entire propulsion drive train that must be considered. There's also a "what if" component that involves both practical and emotional aspects. Most yachts have two engines, two reduction gears ...

as a heavier version with smaller engines. It also makes the boat more responsive to acceleration and maneuvers ... is estimated to make up 15 percent of a boat’s weight. So lighter builds, with smaller engines, require less fuel capacity and a less robust internal structure. A side benefit of the lighter boat: Engines ...

, the propulsion systems of hybrid yachts are a combination of diesel or gas engines and electric motors, with big ... for limited periods without engine power. But that is where the similarity ends. Hybrid cars derive ...

thing about boat design,” Martin said. “Things got a bit loud and Gil Wyland [S&S’s chief engineer ... was purchased by the National Association of Engine and Boat Manufacturers (NAEBM) in 1968 and led by designer ...

and in the engineering truss. Then it flattens and continues to rise as you follow it aft, creating a wedge ...

in the engineering of the structure would be nearly impossible to do — or at least take a very long time to complete ... on the owner’s regular crew. The following summer, he landed a job with designer/engineer Alan Buchanan. Buchanan had been a stress engineer with an aircraft manufacturer and had decided to apply his engineering ...

but still reasonably sized engines. To go faster, you have a couple of options. You can build a much ... narrow hulls don’t give you much space belowdecks for engines or staterooms, so things are usually a bit ...

efforts to market an improved steam engine in the 18th century. Cornish miners used horse-driven pumps ... to know how many horses his engine could replace. Watt's experiment showed that one horse, on average ... and U.S., or SAE (Society of Automotive Engineers) horsepower. Energy is also measured in watts ...