parallel rules
A navigational tool used to move a line on a chart from one location to another without changing its angle, such as when moving a plotted course to a compass rose.
Parallel rules- Two rulers, hinged together, that can be adjusted in distance while remaining parallel.
Parallels- Lines of latitude, north and south of the Equator.
Passage- A route between points or ports.
line to which a smaller boat is towed or made fast to a mooring palm or sewing palm Leather fitting over a sailmaker's hand to aid in thrusting a needle through sailcloth parachute Another name for a balloon spinnaker parallel rules A ...
You lay the parallel rules over the compass on your chart at N. by W., and work them to the lighthouse, preserving the direction. You then draw the line from the lighthouse to a.
The usual navigation tools: Charts, dividers, parallel rules, pencils, hand held compass, binoculars. All this is usually aboard every charter boat, but I am used to bring my own in my sail bag, because I know I can rely on my own equipment.
 See also: Sailing, Lines, Boat, After, Bow
  
|
RSS
