to learn more about safely bringing
shore-power aboard, and keeping
you, your crew, and your guests safe,
See hints and tips from our new and
improved BoatteCH files on page 68.
by West System, for use with their epoxy, are
406 Colloidal Silica and 403 High-Density
Filler. The 406 is pure fumed silica, and
the 403 is a mixture of fumed silica and a
second component (calcium metasilicate).
Epoxy thickened with fumed silica also handles and machines nicely. The one caution
I’d offer is that fumed silica absorbs resin like
a sponge, potentially depriving the surface
you’re applying the mixture to of sufficient
resin for a solid bond. You generally need to
first wet out the surface being repaired with
plain resin so that the resin will get a chance
to penetrate the wood or laminate. After this
initial application of resin starts to gel, apply
your colloidal silica-thickened resin. The
two resin applications will bond together
on a molecular level, delivering maximum
Burning smells or obvious damage to shorepower outlets or cords hould be fixed immediately.
House wire has standard amp breakers for
the size wire to protect. On a 12-volt system,
is there a size fuse, per size wire?
don CaSey: Wire used for 12-volt DC
connections does, of course, have a current
limit, but except for high-draw appliances like
windlasses and inverters, the current-carrying
capacity of the wire is likely to significantly
exceed the expected draw. Unlike with AC
power, voltage drop is usually the guiding
concern with DC wiring. That forces the use of
“oversize” wiring, at least from a current-carry-
ing perspective. As a result, fuses and breakers
are sized based on the expected load on the
circuit, not the capacity of the wire. There’s
no downside to this. The lower threshold still
protects the wire, and the smaller breaker trips
(or fuse blows) when the draw exceeds what
is expected for this circuit, a condition that
normally signals a problem.
It’s easy! With your new sail order from North Sails Direct you measure, you SAVE, you get the best. Contactustoday! Direct benefits
with purchase of
a new North sail*
Boat size restrictions may apply. *Restrictions may apply. Ask your North Sails Direct representative for details.
northsailsdirect.com or call 888-424-7328