The compass device and its scale, degrees and rumba, orientation and determination of cardinal points by compass.

The fastest and most reliable way is to set the direction to the north and you can calculate your route using a compass. To the north will indicate the magnetic, marked with red, blue, or fluorescent paint, the end of the arrow. The degree scale will help translate into the language of numbers and fix the chosen direction. 

Compass device and its scale, degrees and rumba, orientation and determination of cardinal points by compass.

The scale of a conventional compass is divided into 360 divisions-degrees. Each degree corresponds to 1/360 of the horizon. Accordingly, 90 degrees are allocated to each side of the world. The countdown starts at 0 degrees, indicating north on the compass. In some imported compasses, its scale is divided into more exotic sea rumbas, each of which consists of eleven degrees. Therefore, in the “marine” compass scale it’s not 360 degrees, but only 32 rumba, or it’s completely incomprehensible where 60 rumba came from.

. For example, to the nearest settlement. Now it’s enough to set the sighting device (rear sight and front sight) to the chosen course and move in the indicated direction, but so that the northern end of the arrow is constantly in the alignment of the marks at the zero mark on the scale. If the arrow leaves the alignment, it means that the one who has gone astray.

Of course, the described scheme is extremely primitive. In travel practice, working with a map and a compass is surrounded by many objective and subjective difficulties. To understand them, it is better to turn to special literature on orientation. In emergency conditions, the compass should be handled with extreme caution – stored in an inner pocket or under clothes with a strong cord. It is dangerous to carry the compass in the outer pockets or on the hand, since in this position it is easy to lose or break the protective glass. If the compass is broken, you should find and save the magnetic arrow, with which you can always make an impromptu compass from improvised materials.

Based on materials from the School of Survival in Natural Conditions.
Andrey Ilyin.

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