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the same potential to ward off galvanic corrosion. ABYC recommends tying together all
underwater metals electrically for corrosion
control, but notably doesn’t require it. Other
knowledgeable experts hold the opposite
view, opining that the negative consequences
of this stratagem can outweigh the theoretical benefits; I’m in this camp. As for lightning protection, copper foil is too fragile. I
wouldn’t restore the ribbon for either of these
purposes. If lightning protection is a concern,
you need a more substantial conductor for
bonding and grounding.
UNCOVERING YOUR BOAT
A boat I’m considering buying has been
shrinkwrapped and stored for eight years.
Will the engine be OK if it was winterized?
What about the gas tank? Will the gas need
to be pumped out? Frank Maribito
BETH LEONARD: The answer depends
on how the engine was prepared before it was
left. If properly winterized, including fogging
the cylinders well, it may run just fine. If not,
and water condensed in the cylinders, you
almost certainly have rust and pitting that will
cause significant problems. The only way to
be sure is to try it, have a mechanic go over
it, and do a compression test. Even if it does
run fine, you’ll have to replace impellers, bel-
lows, anything with rubber in it, and probably
have to replace most of the gaskets that will
have deteriorated with age and dried out. If
you do it yourself, that won’t cost much. If
you hire a mechanic, it gets expensive quickly.
The fuel will have to be pumped out of the
tank and disposed of, which will be costly,
and the tank should be steam-cleaned. A
boat shrinkwrapped for that long might have
other issues, such as mold and mildew below.
If you go aboard and find a large amount of
mold and mildew, it’s likely that the engine
will have moisture in it. If the boat seems
relatively free of mold and there is no unpleas-
ant odor, the engine may well start right up,
assuming it was winterized properly.
MEET OUR EXPERTS
CONTACT OUR EXPERTS AT WWW.BOATUS.COM/ASK THE BEST PART? THIS SERVICE IS FREE TO MEMBERS
He cruises a
30-footer in the
books include Don
Maintenance Manual, and This Old
Boat, the DIY boaters’ bible.
President of ABYC,
and boatyard, and
owned a marine
supply store. He
sails a classic 1976 Irwin ketch, which
he completely restored.
He’s lived aboard
for most of his life,
can fix any system
aboard, has writ-
ten two books,
filmed DVDs on
East Coast cruising, and has won
awards for his tech writing.
Our tech editor
grew up powerboating, waterskiing, fishing; did two
wrote The Voyager’s Handbook and
hundreds of tech articles.
Online you’ll also find other experts on trailers, fishing, props, cruising, and many other topics of interest.
for more info contact email@example.com or call 855-529-9286
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