Online Book:

Watertight Integrity

There is nothing more important to an offshore boat than keeping the water out. And this is not just a safety issue either since there are few things that will ruin your cruise more than a leak over your bunk.

Colin shares scores of real practical tips derived from keeping the water out of his own boats over tens of thousands of offshore miles.

Table of Contents:

Watertight Bulkheads

Anchor locker bulkhead looking aft.

One of the things that is attractive about metal construction is the ease with which structural modifications can be made. What would require substantial amounts of design, planning, physical work and cost in a GRP boat can require very little effort in metal, whether steel or aluminium. A good example of this is the installation [...]


At all costs minimize or eliminate drilled holes –weld everything

There are few things more miserable on a boat at sea than salt water below from deck leaks. And if said leaks get bad enough, they can sink you. Colin has a whole series of tips on how to stop that happening to you.


Testing conditions between St Vincent and St Lucia

As I think I've made clear in the previous two chapters of this Online Book, keeping the water out is a number one commitment for any offshore boat. And not just large amounts, although obviously that’s a fundamental priority, too. Relatively modest amounts of water can cause real issues with sensitive electronics, especially in today's shallow [...]

An Electric Bilge Pump For The Ages


In the last chapter in this Online Book, in reaction to a members's tale of frustration, I recommended a bilge pump switch. But what about the bilge pump itself? When we bought Morgan's Cloud she had a Jabsco 36600 bilge pump that was installed when she was built 27 years ago. And we still have [...]

Our New Crash Pump


The sound of gushing water from below has got to be right up there on any voyaging sailor's list of worst nightmares. On Morgan's Cloud, given that we believe that any pump that is practical for a yacht, no matter how powerful, is going to be of limited use in a flooding situation, we have always [...]

Companionway Integrity In A Storm

It's a sad fact that most production boat companionways are potential boat-sinkers. But it does not have to be that way. In this chapter I provide solid suggestions on how to stormproof your companionway.