![]() Plotting a grid using the 1:50000 scale romer on the RA Protractor. Read of the inner scale and plot a bearing of 4500 mils back to the trig point.Ĭhoose two points on a map and practice this procedure. Price and other details may vary based on product size and color. To plot a backbearing from the church, turn the protractor to the left with the centre point over the church. 1-48 of 215 results for 'military map protractor' Results. What is the Grid Bearing from the Trig Point to the Church? The outer scale is used when plotting bearings East and inner scale for bearings West. Where the line crosses the outer scale it indicates the Grid Bearing from your position (trig point) to your target (church with tower). They are then laminated with 15 micron Tedlar to. The map I’m using is a 1:24,000 scale so I’m going to use the 1:24,000 scale grid on my protractor. These protractors are digitally printed on the underside of 1.5mm thick plastic to avoid parallax error. Make sure you use the one that matches your map’s scale, or else you’re going to be way off on your plotting. Your protractor will likely have different scale grids. 'Close (esc)' RM Products makes the most widely trusted protractor on the market. Military Protractor - Perfectly cut for Land Nav Visit the Lifefficient Products Store 4. Then draw a line or use a plumb line to draw a line from your location (trig point) to your target (church with tower). To do this, we need to bust out our military protractor. All vertical and horizontal lines should be aligned with those on the map, overlay the centre point over your location on the map (trig point). This is the issued protractor, the metres scale romers are on the left side, these are the romers that you should use.Įnsure the map is on a flat surface, align the base line with the vertical lines on the map, the 0 should be in line with Grid North. Place the protractor over the map and align the northings and eastings with the zero lines and romer grids. ![]() Use a line of fine cord from the centre point when plotting bearings, a plumb line.Tape up the yard scale romer to avoid mistakes.Always check the scale of the map and scale of the romer when plotting grids.The protractor should always be used when plotting grids and bearings. The LETHALIFE Tactical Square Protractor: DURABILITY - Stronger material and thicker then standard issue protractors.The British Military only use mils in navigation. This tool is equivalent to the Graphic Training Aid 5-2-12 and Protractor used by United States and NATO military forces around the world. ![]()
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