you want to build a boat from
wood the first thing to consider are the various construction
consider where you are going
to do the building.
If you are planning to build her inyour back
Will you have enough
room to work on
Will you be able to
get her out when she is
Might your neighbours object when that that fifty foot super yacht towers above the fence?
are still a few
boat yards were self builders can rent enough hard standing to build a
they are becoming rare.
These days it is a sad fact that most yards and marinas prefer shiny white plastic
you plan to build make sure you don’t fall
foul of the dreaded insurance wallahs and the health and safety
Unfortunately you will also have to consider the cost.
Building from scratch while cheaper than having a boat built by
is not a cheap option.
somewhere to work on your own boat, without bureaucratic interference,
is becoming increasingly difficult.
You might be able to reduce the
cost by using reclaimed timber.
However, it is false economy to build a boat from substandard
Apart from the hassle of having to replace stuff later, you might be
your life and the life of your crews in danger.
the up side you will be able
spread much of the cost out over the
of the project.
But buying in bulk will save money,
Unless you are a naval architect you must have suitable plans.
Don’t even start to build a boat without, you can however use the 'Diagonal
to copy dimentions from
a photograph or
There are innumerable
designers willing to sell you plans and many free
be found online.
But before buying try to have a look at a finished version.
You may find that what looks pretty in a line drawing looks hideous in reality and vice versa.
The frame determines the
It consists of the keel
and the stem and
stern posts, with a ‘ribcage’ of vertical frames.
Horizontal ribbands are
used to hold the
frames in place until planks are fitted. Planks, butting up against
are fastened to the frames, using nails,
The hull is then
usually with cotton, or
oakum and a caulking compound
which seals the seams. It is easier to repair than some of the other
Lapstrake/Clinker is the method of wooden boat building where the planks overlap rather than butting each other.
While an underlying back bone is needed, the framing can be done after the planking and ribbands may not be needed.
The planks are fastened with rivets, clench nailsor glue where they overlap, resulting in a hull of considerable strength.
The tight fit between planks is traditionally sufficient to keep it watertight however, sealants and even glue can be used to build a boat.
Plywood is increasingly being used to create beautifully strong lapstrake hulls.
The usual method is to use epoxy to bond the plywood planks.
This can result in a superb low maintenance wooden boat.
Repairs are not as simple as on carvel hulls due to the planks overlapping and because the fit of the planks is more critical.
Strip Planking is basically carvel but using narrow strips of wood instead of planks.
Nowadays the strips are normally glued together with epoxy, though they can be nailed.
The backbone and frames can be built up from laminations with inner and outer stems to simplify construction.
The strips are usually bought ready machined with a concave grove on the top and convex on the bottom or with a tongue and groove.
Not easy to repair due to the strips being fastened together.
New patches may have to be scarfed into or laminated on to the existing boat hull.
Builders of wooden boats
have been stitching
together since time immemorial.
But it is since the
development of epoxy
resins that the method has become so
The usual practice
was to stitch the panels together using
wire but many builders now use plastic cable ties.
A word of warning on
Make sure you are not
Many years ago I was considering a large stitch and glue/epoxy project.
Fortunately, I decided to
try a small version
first, that was when I discovered that I was allergic to extended
I did persevere and build the dinghy because I had bought the materials.
She turned out extremely well but if I had plunged straight into that larger project I would have had problems.
There are a multitude of designs and plans available for stitch and glue building. Everything from simple pram dinghies to sea going cruisers have been successfully built this way.
The advantage for the home builder is that lofting, setting up and framing are minimal, making them much faster and easier to build.
It is normal for these boats to be sheathed with fiberglass cloth and epoxy resin.
Plywood repairs are relatively easy.
Damaged areas can be cut back and new plywood scarfed in using epoxy.
Before stitch and glue
method to build a boat became popular, plywood
boats were often made
by constructing a framework which was then sheathed with plywood.
The plywood would be affixed to the frames using a variety of methods such as glue, screws and even nails, nowadays it is normal to use epoxy.
The normal design shape is hard chine, either flat or ‘V’ bottomed. As with stitch and glue, it is always best to build a boat from good quality marine grade plywood and it does need to be properly sealed with epoxy.
Usually these also are sheathed with fiberglass cloth and epoxy resin.
Repairs are relatively easy
Damaged areas can be cut back and new plywood scarfed or butted in
Have a look at the Project Boats being built by Andrew in Tasmania and Eddie in Ireland.
Cold molding is
fairly uncommon way to
build a boat theses days.
Basically it is a method where a minimum of two layers of thin plywood or veneer are laminated on top of each other.
The layers running in different directions usually at 45 degrees to each other, the most common being double diagonal.
This does produce a strong monoque boat structure.
However this method does require an underlying structure on which to lay the strips.
The usual method is to construct a mold first or lay the strips on a strip planked former.
The extra work involved in making the mold makes it an unattractive self build option.
Repairs are not easy.
More information on how to build a boat and Wooden Boat Building construction methods coming soon. in the meanwhile I hope you found How to Build a Boat useful.
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