profession: pilot career: actor - Jet Aviation
profession: pilot career: actor - Jet Aviation
profession: pilot career: actor - Jet Aviation
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Any new construction in composite materials starts with the creation of a wooden plug<br />
in an epoxy resin. These layers are then<br />
exposed to a vacuum, which compresses<br />
the carbon mat, so that the fibers bind<br />
uniformly and there are as few air pockets<br />
as possible. This creates the outside<br />
“skin” of the Alinghi, which is only about<br />
3 mm thick.<br />
The honeycomb, made of aluminum and<br />
aramid, is put on top of that skin, and<br />
then another layer of the carbon fiber is<br />
placed on top of the honeycomb, creating<br />
the sandwich. The whole thing is baked<br />
in an oven for 15 hours, during which<br />
time the epoxy in the outside layers melts<br />
and binds the materials.<br />
This carbon composite is lighter and<br />
more rigid than steel or aluminum.<br />
Unlike the metals, however, the material<br />
cannot carry an equal load in all<br />
directions. It is strong in the direction<br />
of the long carbon fibers and weak at<br />
a 90-degree angle to the fibers. This<br />
makes it very important to know exactly<br />
where the strain on a structure will be.<br />
Once that is known, weight can be saved<br />
by providing extra strength only where it<br />
is needed.<br />
A wide range of applications<br />
Decision has made many sailboats using<br />
processes similar to those used for the<br />
Alinghis, including the 10 boats in its<br />
Decision 35 series. Cardis and the Swiss<br />
Multihull Owners Association came up<br />
Outlook 02/2008<br />
35