Engines

Engines

Engine Room Safety

There's plenty of stuff in your engine room that can hurt you if you're not careful. Know how to be safe in your machinery spaces and you'll improve your maintenance. See how here.

How to Pick the Right Battery for Your Boat

The ABCs of Marine Batteries. 

If you know the type of marine batteries you have on your boat, there's a good chance you won't need to do anything else to maintain them. But it's smart to read up and be sure. Check out our expert take on marine batteries here.

The Importance of an Engine Log

It may sound too simple, but keeping track of your engine’s performance with a pad and pen can teach you a lot about your powerplants, and help you identify problems before they get out of control. Learn what you need to know here.

Diesel Engine Myths

When it comes to your boat’s engines don’t believe everything you hear. 

Not everything you think you know about diesel engines is true. There are a handful of commonly held believes about them floating around out there that are simply myths. Find out what they are here.

How to Find the Best Cruising Speed for Your Boat

Here’s something you might not know about your boat’s optimal cruise speed.  

Finding your boat’s “sweet spot” when it comes to cruising speed isn’t an exact science, but it’s pretty darn close. And knowing exactly where to run your engine for optimal speed and fuel efficiency is something every boater should be aware of. Here’s how you can get in the know.

How to Tweak Your Props to Make Your Boat More Efficient

Get Your Props Proper

Though they sometimes go unheralded, your props can affect your boat’s performance as much as nearly anything else. Capt. Richard Thiel has expert advice on how to find your prop’s sweet spot—that is, where they will allow your engine to run at max rpm and no more. The results could make your boat that much more efficient.

Marine Fuel Additives

Does your fuel really need those additives?

Have you ever given much thought to the fuel additives you use, and whether or not they actually help—or worse, hurt—your boat’s performance? We have. Read here to find out our thoughts on the matter.

The Future of Marine Engines

As technology advances and emissions regulations tighten, marine engines are bound to evolve, no matter how effective they currently are. We take a look at what kind of propulsion systems you might have onboard your boat in the not so distant future.

The New Caterpillar C8.7

Capt. Richard Thiel investigates the new Caterpillar C8.7 and the market and regulatory forces that launched it. With emissions regulations becoming more and more stringent, CAT was forced to link up with an unlikely partner to get their powerplant off the ground: Fiat. Yes, Fiat.

The Truth About Shafts and Pods

Since their invention, pod systems laid claim to the throne held by conventional shafts as the dominant form of marine propulsion. But that hasn’t necessarily happened. We investigated the details of how each system stacks up, from complexity to maintenance and costs.

Engine Maintenance Tips

Capt. Richard Thiel knows oil analysis isn’t the sexiest topic in the world. But it is an important one if you plan on keeping your boat well maintained for years to come. Here he shares some tips on how to do it well... and on the cheap. 

How to Make Your Boat's Engine Last Forever

Can you keep your engine running forever? Capt. Richard Thiel thinks so. By diligently following an aggressive maintenance program, you can keep her purring smoothly, avoid midseason calamity, and stave off the need to repower—if you go about it the right way.

Troubleshooting Your Boat's Engine

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 be a dead engine, smoke in the bilge, or a jammed silverware drawer in the galley. These ten rules won’t guarantee that you’ll solve a problem, just vastly increase your chances of success and vastly decrease your chances of making things worse.

 

Troubleshooting Boat Performance

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 affect it: engine output, propeller efficiency, hydrodynamic drag, and load.

Marine Engine Horsepower Ratings

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 engines last longer. Learn more about horsepower ratings mean here.

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