Classic Boat – September 2019

(Grace) #1

CRAFTSMANSHIP


Boatbuilder’s Notes


WOOD


Tough and


fiery yew


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BY ROBIN GATES
Since growing up between Kingley Vale, Europe’s
finest yew wood, and a Sussex creek of old wooden
boats, yew and boats have remained inextricably
linked in my affections. A teenage attempt at using the
timber on board, replacing the dinghy’s rowlocks with
yew thole pins, was not a success, but that was down
to my clumsy oarsmanship. Practically, there could
hardly have been a better timber for the job.
Although saddled with the label ‘softwood’, yew is
in no sense soft. It’s considerably harder than English
oak, with similar weight, lower shrinkage and
consequently better stability than our benchmark
native ‘hardwood’. The fiery colours in a fresh-split log
are breathtaking, ranging through orange, scarlet and
even purple. When planed, the lustrous, blood-red
heartwood is as intriguing as the muscular and
meandering boughs of the trees themselves. Yew is
fantastic for furniture, typically applied sparingly as
edgings and veneers, but it’s also among the oldest of
our tough boatbuilding timbers.
Its key qualities are durability and resilience. That’s
why the Vikings made treenails of it, and way before
that Bronze Age people made twisted lashings from
its pliable withies and roots to join the oak planks of
their flat-bottomed boats.
True, all parts of the yew (bar the bright red aril
around the seed) are poisonous, but unless you
anticipate having to feed on your timbers while
marooned on a desert island that’s not a problem.
It probably accounts for yew’s excellent resistance
to insect attack.

Left: File the tip of the screw flat; Right: Testing for evenness of depth

Depth without


numbers
The more that numbers can be
eliminated from boatbuilding, the less
prone to human error it becomes.
Whether to use metric or imperial
measurements is irrelevant if you build
using templates, story sticks, and
perhaps this little adjustable depth
gauge you can make in minutes using
an offcut and a woodscrew. Bore the
timber with a pilot hole (not clearance
hole) to suit the screw, and file the tip
of the screw flat so that it bears on the
surface rather than digs into it.

1 Ancient yew at Kingley Vale
2 Mirrored halves of a split yew log
3 Bright red aril around the seed
4 A translucent shaving from the plane

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