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Engines

What Makes a Good Engine Room?

By Capt. Richard Thiel | Posted June 2013

While your boat may not have a well-designed engine room, there are modifications you can do to make it safer and simplify your maintenance chores.

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How Propellers Affect a Boat's Performance

By Capt. Richard Thiel | Posted June 2013

Learn the whys and hows of sorting performance issues with propellers (and beyond) here.

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Troubleshooting Your Boat's Engine

By Capt. Richard Thiel | Posted May 2013

How to troubleshoot engine problems on your boat.

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Troubleshooting Boat Performance

By Capt. Richard Thiel | Posted May 2013

A reader wants to know why his boat is slowing down.

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Marine Engine Horsepower Ratings

By Capt. Richard Thiel | Posted April 2013

Understanding what horsepower is, what it gets you, and why less is sometimes more can help your engines last longer. Learn more about horsepower ratings mean here.

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Five Tools Every Boater Should Carry

By Capt. Richard Thiel | Posted March 2013

They’ll get you out of many a jam, they won’t break your bank account, and you probably don’t have them aboard—yet.

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Clean Marine Engines from John Deere

By Capt. Bill Pike | Posted February 2013

John Deere’s new 4.5-liter marine diesel meets EPA Marine Tier 3 requirements and has enough power to replace the company’s older 6.8-liter Tier 2 engine.

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The New Magically Maneuverable Outboard

By Charles Plueddeman | Posted February 2013

Old salts will roll their eyes at the Miami International Boat Show this year when Mercury Marine and Yamaha debut new outboard control systems with joystick steering that makes...

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The Great Propeller Fight

By Capt. Bill Pike | Posted February 2013

I recently contended with a few of my colleagues here at Power & Motoryacht that most of the propellers we deal with in boat-test reports are of the fixed-pitch variety and...

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Volvo Penta’s New V8-380

By Capt. Bill Pike | Posted January 2013

The new Volvo V8-380 demonstrated increased acceleration and improved fuel economy.

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IPS vs. Zeus: Which is Better?

By Capt. Richard Thiel | Posted January 2013

Which is better: Cummins Mercruiser Diesel’s Zeus system or Volvo Penta’s IPS?

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Everything You Need to Know About Your Boat's Transmission

By Capt. Richard Thiel | Posted November 2012

The marine transmission: your boat’s unsung hero.

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Volvo Penta DGPS Software Upgrade

By Capt. Bill Pike | Posted November 2012

A Groovy Refinement

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Outside-the-Box Outboards

By Jason Y. Wood | Posted November 2012

Just when you think the latest gas-powered outboards have wrung every drop of power from a gallon of fuel, along comes a new way to tackle the problem.

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The Latest in Outboards

By Jason Y. Wood | Posted November 2012

Check out the latest developments from the major manufacturers—you may decide it’s time to retire your old outboard and get something new.

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Diesel Engines and a Cleaner Environment

By Capt. Richard Thiel | Posted October 2012

The newest technology in diesel engines makes for better boating and a cleaner environment.

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Mercury Marine’s Ship’s Log App

By Capt. Richard Thiel | Posted October 2012

Mercury Marine has introduced a free app for the iPhone that allows any boater to keep a record of important data and memorable events.

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Volvo Penta V8-380

By Capt. Richard Thiel | Posted October 2012

Volvo Penta has introduced a new V-8 featuring significant weight savings and the latest in variable-valve-timing technology.

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Hybrid Engines for Boats

By Jason Y. Wood | Posted May 2012

With engineers looking to increase efficiency and reduce sound levels, the question is raised: Will hybrid power ever work for boats?

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Outboard Engine Innovations

By Charles Plueddeman | Posted May 2012

Two fledgling companies look to revolutionize the outboard market with two new products on either end of the horsepower spectrum.

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2011 Engines Review - Outboard

By Capt. Patrick S... | Posted June 2011

The Alpha OutboardA group of Midwestern engineers think they’ve built the great white shark of motors.The 557 puts out about 60 percent more power than the next nearest outboard....

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2011 Engines Review - Catalyst

By Kevin Koenig | Posted June 2011

Time For A ConversionUnfamiliar with catalytic converters? You shouldn’t be, because you may need one soon.If you’re like most people, the only time you put serious thought into...

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2011 Engines Review - Pod Drives

By Capt. Richard Thiel | Posted June 2011

The Power of OneWill ZF and SeaVee shake up the boating world with their single-pod center console?One of the best things about the Miami International Boat Show is that it’s so...

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2011 Engines Review - Twin Disc

By Capt. Bill Pike | Posted June 2011

Master of ManeuverabilityTwin Disc’s new joystick-control system may give those pod drives a run for their money.Let’s begin this treatise on maneuverability on a historical note—...

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The Quiet Alternative

By Capt. Grant Rafter | Posted December 2008

Photos courtesy of Glacier BayGlacier Bay's electric motor, the keystone of its full propulsion system, is on the cutting edge of diesel-electric pleasure boating.There's a...

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