CHARTKIT PLOTTER ARM
Weems & Plath

Many plotting boards have come and gone. It seems they all have problems. Some are too small; and some are too big ....for YOUR needs. The Chartkit Plotter arm solves this problem by letting you design your own board. The kit consists of the pantograph (shown in the pictured example of the Chartkit Plotter itself) which can be easily installed by two screws to any sized board you wish (the board shown is not included). It can also be attached directly to your navigation table itself.

The principle of the pantograph is this: the clear rectangular plotter can be positioned in any direction by means of the black knob shown in its center. The parallel arms of the pantograph allow the plotter to be placed anywhere on the plotting surface without changing its orientation. This means the plotter can be set on a chart's compass rose, or against a meridian, to determine a course or bearing line. This line can be transferred to another position on the chart easily. The protractor allows courses to be measured with respect to meridians, and to compensate for variation when used in conjunction with the variation scale. It is nominally designed to be installed on a plotting surface of about 23 x 20 inches. Although not critical, a severe departure from these dimensions could result in corner areas that are not properly served. SW 2 lb The complete Chartkit Plotter with arm is also available. SW 10 lbs.

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