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Engines

How Propellers Affect a Boat's Performance

By Capt. Richard Thiel | Posted June 2013

When a boat’s performance heads south, the props are often called into question (along with other aspects of what makes a boat go). Learn the whys and hows of sorting...

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Troubleshooting Your Boat's Engine

By Capt. Richard Thiel | Posted May 2013

How to troubleshoot engine problems on your boat.  We’re going to talk about the art, guidelines that define the way you approach a problem—any problem. It could...

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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. Boat performance is one of those things that a boater can usually troubleshoot himself. There are four main factors that...

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Marine Engine Horsepower Ratings

By Capt. Richard Thiel | Posted April 2013

Power & Propulsion: What Does Your Engine’s Horsepower Rating Mean? Understanding what horsepower is, what it gets you, and why less is sometimes more can help your...

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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. Want to know more about...

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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

Volvo Penta uses two Formula 26 Sun Sports to test a lightweight, sophisticated V-8 that ups the performance ante. The new Volvo V8-380 demonstrated increased acceleration and...

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IPS vs. Zeus: Which is Better?

By Capt. Richard Thiel | Posted January 2013

Pod propulsion questions now are met with an embarassment of riches. But which is better, Volvo Penta’s IPS or Cummins Mercruiser Diesel’s Zeus system? We take on this...

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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. Because this simple but durable device is so critical to getting you where you want to go safely and efficiently, you...

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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. See two new developments...

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