PACESHIP CRUISING YACHT Maintenance Manual - page 5

TURNBUCKLE - A threaded link which pulls two eyes together for setting up standing rigging.

VANG - A wire or rope used to steady the boom (Boom vang).

WHISKER POLE- A light pole or stick used to pole out a jib to windward to permit sailing wing to wing on a run,

when spinnaker is not set.

WINCH - A drum shaped mechanical device similar to a windlass to increase hauling power on sheets and halyards.

WORKING SAILS - The ordinary fore and aft sails, such as jib and mainsail. FIBERGLASS TERMINOLOGY:

CATALYST - A substance that initiates a chemical reaction and enables it to proceed under milder conditions than

otherwise possible.

EPOXY - A molecular containing oxygen attached to two different atoms already united in some other way.

EPOXY RESIN- A flexible, usually thermosetting, resin made by polymerization of an epoxide and used chiefly in

coatings and adhesives.

ESTER - A compound formed by the reaction between an acid and an alcohol or phenol with the elimination of

water.

POLYESTER - A complex ester formed by polmerization or condensation.

POLYMERIZATION . A chemical reaction in which two or more small molecules combine to form large molecules.

RESINS - Any of various solid or semi-solid amorphous fusible flammable natural organic substances that are

usually transparent or translucent and yellowish to brown in color, are formed especially in plant secretions, are

soluble in ether and other organic solvents but not in water and are electrical non-conductors.

INHIBITOR. A substance that slows down a chemical reaction.

M.E.K. - Methyl ethyl ketone peroxides. A catalyst used to cure gelcoat and some resins.

GELCOAT - A special resin containing a color pigment- This is the material used on the exterior of fiberglass to give

it the color.

MAT - Fiberglass mat comes in various weights such as 1.5 oz., 2 oz. etc. This refers to the weight per square foot.

Mat is made up of short strands of chopped glass pressed into a mat form.

ROVINGS -These comes in various weights; such as 18 oz. and 24 oz. This refers to the weight per square yard.

Rovings are made from continuous strands of glass woven together in a blanket form

MONOMER - This is generally styrene or vinyl toluene and is used to vary the viscosity of the resin,

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