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Engine

The finished project with hatch in place shown with James.

Installing an outboard motor well on a 28-foot cruiser Issue 27: Nov/Dec 2002 WHEN OUR BOATS WERE HAULED for routine maintenance at a Trinidad boatyard recently, my friend, Theo, asked me for suggesti...

illustration of diesel pistons

A little tender loving care brings longer trouble-free life Issue 34: Jan/Feb 2004 DIESEL ENGINES ARE NOW THE ENGINES OF CHOICE FOR auxiliary sailboats, and with good reason. They have a superior reco...

A runaway plug, above left, is cheap insurance. It is kept in a small rack just inside the door of the engine compartment, above. A sign in front of the control panel, below left, reminds author Don Launer that the winter plugs are in the air intake and exhaust.

How to stop a diesel that’s running amok Issue 31 : Jul/Aug 2003 A runaway diesel engine can be a destructive, dangerous, and terrifying experience for people nearby. Although it happens infrequently,...

There is good access to the new primary filter, facing page. But the fuel has to be able to get out of the filter. Two identically numbered parts from the same manufacturer: the old, above right, and the new, above left.

How a mysterious mechanical malady was finally cured Issue 32 : Sept/Oct 2003 The other day we were out sailing and headed home when the wind died. We turned on the engine and motored back to the harb...

An alternator is coupled to the engine by a belt drive.

Generating electricity — how the alternator and regulator produce their magic Issue 33 : Nov/Dec 2003 Although sailboats are usually small and compact, they have the infrastructure of a large city: th...

Illustrated title card

A woman singlehander loses her heart to that old lump of iron down below Issue 36 : May/Jun 2004 Most sailors don’t miss the motor after they part with their first auxiliary-powered sailboat. Bu...

Cable-and-sheave steering system

Eight ways to steer a boat Issue 36 : May/Jun 2004 When it comes to steering a sailboat, even die-hard wheel enthusiasts agree there is no steering system that is simpler, more affordable, or offers b...

A rough guide to speed and horsepower

Too big an engine for an auxiliary can be a mistake, warns Ted Issue 37 : Jul/Aug 2004 Owners planning to repower their yachts almost always decide to put in bigger engines, reasoning that they will a...

A small $13.99 pump meant for filling the tanks of radio-controlled airplanes makes it easy to refuel or top off the 1-quart tank for a 2-hp engine.

How one cruiser swapped power for ease of handling Issue 49 : Jul/Aug 2006 Our 8-hp Honda, all 98 pounds of it, is for sale. When we bought the engine back in 1995 it was intended to help our 1976 Nor...

A typical inboard auxiliary engine installation is complicated by the fact that it must go through the boat below the waterline.

The basics on auxiliary propulsion systems Issue 51 : Nov/Dec 2006 Unless you are exceptional sailors and purists, like Lin and Larry Pardey, you probably have a mechanical propulsion system on board ...

The finished waterlift muffler Paul designed and built to fit in the space available behind the engine is very creative. Note the valley, which allows the propeller shaft to pass through, and the short pipe, which bridges the valley in order to integrate the interior volume. The inlet is on the front; the outlet is on the top.

Custom waterlift muffler calls for creative approach Issue 54 : May/Jun 2007 My friend, Ken Simmons, and I ran into a common problem when we replaced the aging Atomic 4 in his 1968 Pearson Vanguard wi...

From top: a typical multi-weight oil for gasoline service, synthetic motor oil for gasoline and diesel applications, and straight weight oil for diesel service.

What you need to know about oil Issue 55 : Jul/Aug 2007 The motor oil in any sailboat’s auxiliary engine is second in importance only to the supply of fuel and air. If neglected, certain — and o...

Propylene glycol-based coolant

An often-neglected, but vital, part of auxiliary care Issue 56 : Sept/Oct 2007 If your auxiliary engine is to age gracefully while performing well, two things must be constantly controlled: friction a...

How does that saying go? You can take the girl out of the country, but . . . In this case, you can take the outboard out of the salt water, but can you take the salt water out of the motor? Alan Lucas says a fresh-water flush in a bucket will do the job.

Being kind to your outboard engine Issue 57 : Nov/Dec 2007 Low-powered yacht tender outboards are often overworked and under-serviced. They rarely, if ever, enjoy a thorough freshwater flush. This can...

Rebecca Burg took the hands-on approach when matching a new prop to her boat’s new engine.

To avoid engine troubles, fit the right propeller Issue 65 : Mar/Apr 2009 The shark meandered toward my right foot. It was so close I could see brown spots on its nose. Loaded with tools and dive gear...

This generic engine’s header tank, heat exchanger, and exhaust manifold are contained within a common housing. On some older engines these components may be separate, but the principle of operation is the same.

Eliminate overheating in 12 easy steps Issue 68 : Sept/Oct 2009 Ask any owner of an auxiliary diesel sailboat what his or her most common engine-related problem is and chances are the answer will be, ...

The purpose of a wind generator aboard a sailboat is to provide as constant a source of electrical power as possible. Blade design and diameter are major factors in achieving this. This design uses slender blades and a relatively large diameter.

Electric power for the independent sailor Issue 69 : Nov/Dec 2009 Wind power is a form of solar energy — winds result from the uneven heating of the atmosphere by the sun. To generate electricity, a w...

With the head intake seacock closed, operating the head draws antifreeze into the system from the container via the service port.

An easier way to ward off Jack Frost’s fingers Issue 74 : Sept/Oct 2010 Northern sailors have two seasons: sailing season and maintenance season. One of the primary goals when preparing a boat for the...