SAILING LOOKS so simple. You just
lie back in the cockpit in the shade of the mainsail and waggle the tiller
thing, right? Well, not quite. In fact, sailing is one of those sports or
pastimes that demands a surprising amount of general knowledge in a host of
subjects, and the more seriously you take your sailing, the wider the range of
knowledge you need.
Here is a list of some subjects a
well educated sailor will know quite a lot about. It’s in no particular order —
just as the thoughts came into my head:
Hydrodynamics — How the hull, keel
and rudder react to the passage of water. How propellers work. The effects of
drogues and sea anchors. The efficiency of bilge pumps.
Aerodynamics — How the superstructure, sails, mast and
rigging are affected by the wind.
Sail handling — Knowing when to reef
and how to reef. Knowing how to heave to.
Textiles — The various uses of
Dacron, nylon, Velcro, Kevlar, Mylar, Spectra, Manila, and others.
Fiberglass — the different ways
glass fibers are assembled and woven and their uses.
Resins — polyester, epoxy,
vinylester etc., and their attributes.
Paints — alkyd enamel, alkyd-acrylic
enamel, alkyd-silicone enamel, Teflon and vinyl bottom paint, epoxy topside
paint, epoxy bottom paint, ablative, sloughing, and copolymer bottom paint, and
a whole lot more.
Solvents and sealants — How they
work and what to use where.
Woods — Their characteristics and
uses in boatbuilding, their strength, resistance to rot etc.
Engines — A working knowledge (and
preferably more) of diesel and gas, inboard and outboard engines.
Cooking — What and how to feed a
cold, hungry crew. The art of provisioning, and saving water. Where to store
the beer. How to make a Dark ’n Stormy.
Anchoring — An important art that
starts with books and ends with practice. Or perhaps the learning never ends.
Rigging — The mechanics of keeping
the mast tuned and upright.
The Galvanic scale — What metals eat
other metals when you aren’t looking; what’s safe to use and what’s not.
Navigation — Pilotage (inshore) and
celestial (offshore). A huge subject on its own, even in these days of GPS and
satellite phones.
The Rule of the Road — Another huge
subject, often modified by the old precept that small boats with any sense
always give way to big boats.
Radio procedure — How to make
professional-sounding calls on VHF and HF radios, including knowledge of the
international phonetic alphabet.
Naval architecture — How the shape
of hulls affects performance and the differences between racing boat and
cruisers.
Meteorology — The ability to
recognize changes in atmospheric pressure and what this means for winds in your
area. Reading the clouds and knowing in advance when to reef or douse sail.
Geography — Knowing where not to be in hurricane season. Knowing
when to turn right for the West Indies. Arriving in countries that you actually
aimed for, especially those where they speak English.
First aid — Knowledge of how to
treat a hurt person until you can get professional help.
Electronics — A surface knowledge of
how to use AIS, a chart plotter, an Epirb, etc.
Emergency procedures — What to keep
in a grab bag, how to call for help, how to stop a leak, how to put out a fire,
how to launch a life raft, etc.
Literature — The stories and lessons
to be learned from others who have gone before you.
And much more, including a healthy
dose of physics. Speaking of which, Einstein was a lake sailor. He knew that e
= mc2. In other words, energy
equals mass times speed squared. This means that if you hit something at 2
knots you might do damage worth $500. But if you hit at 4 knots the damage will
be $2,000, not $1,000. And if you hit at 6 knots, well, holey-moley, you’re
going to have to declare bankruptcy. That
was Einstein’s major contribution to sailing and we thank him for it.
Meanwhile, just think about all the knowledge you’ve
accumulated about the simple sport of sailing — and how much there still is to
learn.
Today’s
Thought
It
is better not to know so much than to know so many things that ain’t so.
— Josh Billings
Tailpiece
A
traveling salesman was held up when heavy rains flooded Interstate 5 south of
Seattle.
“It
looks just like the Great Flood,” he said to the motel receptionist.
“The
great what?”
“The
great flood. You know . . . when Noah saved all the animals . . . you must have
read about it?”
“Gee,
no, I haven’t read about it. On account of all this rain we haven’t seen a Seattle Times for three days now.”
(Drop by every Monday, Wednesday,
Friday for another Mainly about Boats
column.)