Keeping engines and shafts in line is often the key to a smooth ride. Advances in hulls, engines, propellers, and even acoustic ... aboard 100,000-pound yachts traveling 30 knots. But the shafts, struts, and bearings that tie engines ...

-forgotten-transmission might leave you spinning your wheels. I am often asked about engine ... , they may leave a working engine with no way to transfer power to the propeller. A transmission problem can be devious: When an engine fails, the propeller stops spinning, but a neglected transmission could lock ...

that dinghy batteries are charged, engines start, and drain plugs are installed before launching. Engines ... a new spark plug. If the boat was stored without running stabilizer through the engine first ... trouble, idle the engines and select a course that won't roll the peanut butter out of a jar ...

. For large yachts, Hone wants an engineer, a mate, a chef, and a chief stewardess aboard at least a month ... , clamps, and seals, and verify shaft alignment. Ensure the cooling- water flow from engines to shaft seals ...

marina with taller pilings has been engineered with storms in mind. And the trend is growing, making ... engineered for its more exposed location— wide, heavy outer docks, anchored by long steel pilings ...

. But with no tools aboard, our only solution was to limp back to the dock using the engines to steer. Weekend ruined ...

or four main-engine impellers because they failed while underway, yet I've had two- or three-dozen generator pumps fail. The reason? Generators run long after engines are shut down, sucking up abrasive silt ...