User manual
GLOSSARY OF TERMS
15-3
DEEP CYCLE BATTERIES – Special long-running batteries which can be repeatedly discharged and recharged
without significant loss of power.
DOLLY WHEEL – A rolling jack assembly at the front of the trailer used for positioning the coupler during trailer
hookup.
DRAFT – The depth of the boat below the water line, measured vertically to the lowest part of the hull.
ELECTROLYSIS – The break-up of metals due to the effects of galvanic corrosion.
FATHOM – Unit of depth or measure; 1 fathom equals 6 feet.
FENDERS – Objects placed alongside the boat for cushioning. Sometimes called bumpers.
FORE – Toward the front or bow of the boat. Opposite of aft.
FREEBOARD – The distance from the water to the gunwale.
FUEL SENDING UNIT – The electrical device that is mounted on the outside of a built-in fuel tank and controls
the dashboard fuel gauge.
GIVE-WAY BOAT – (1) Term for the boat that must take whatever action necessary to keep well clear of the boat
with the right-of-way in meeting or crossing situations. (2) The burdened boat.
GUNWALE – The rail or upper edge of a boat’s side.
HEAD – A marine toilet.
HELM – The steering wheel or command area.
HULL – The body of the boat.
Section 15_horiz 11/3/03 2:47 PM Page 15-3