At first glance, the lensatic compass can seem a bit daunting. Covered in various markings and with multiple moving parts, it looks as though it. Learn how to use the lensatic compass used by the US Military. I have half a dozen navigation apps on my phone, so I rarely get lost! But phones have several major weaknesses: battery life and signal reception. Both of those.
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How to Use a Lensatic Military Compass – Navigate Safely in the Wild
Then use a straight edge to draw and label the Magnetic North Reference line. Let’s say you see a water tower off in the distance.
Looking at the photo below, let’s say you’re at the north end of Sheeler Lake, where the penciled X is. Make lenswtic mark with your pencil at the notch on the end furthest from the sighting wire. Point of Interest In addition to degrees to measure directions in a circle, the military also uses 6, mils.
Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. Proceed to that target. Many wooden tables also have bolts, nails, screws, and other metal components. Or make a permanent scratch mark, paint line, or permanent marker line on each end. Mark the position of the notches to be with a pencil. One disadvantage is, unlike the orienteering compass, it’s not easy xompass make it double as a protractor, meaning you’ll have to carry a protractor with you.
Lensatic Compass Guide: What is a Lensatic Compass?
Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. Rough direction to the cabin. Newer Post Older Post Home.
You can use this feature to set your compass in the dark. While speed is important in many tactical situations, a lensatic compass is not necessarily designed for speed.
When we plot the bearing on our map, our location will be where the line between our location and the cabin crosses the shoreline of the lake.
Whenever the luminous magnetic arrow lines up with the luminous short line, you’re following your intended azimuth. This is known as a back bearing. To do this we need to establish an accurate Magnetic North reference line on the map. For this task, the lensatic compass really shines. With solid land-navigation skills, you’ll be more compwss and “at home” in the wilderness.
One of the difficulties inherent to using a compass is that magnetic vompass is fompass the same as true north. How to Hold a Lensatic Compass. Start by putting your thumb through the thumb loop and putting your index finger alongside the compass, similar to the cheek method. Generally once you have drawn your own Magnetic North line, you will not need to do this again on this map sheet for many years.
Perhaps this is why lenssatic military personnel are trained to plot bearings using a protractor on a Coordinate Scale and Protractor tool. We will be orienting our map with Magnetic North. It simply means that there’s a lens on the rear sight used ofr magnifying the card dial and taking a more accurate reading.
Now, hold the compass level and squarely in front of you. In addition to degrees to measure directions in a circle, the military also uses 6, mils.
The cover protects the compass from damage and also contains a wire stretched from top to bottom. The bezel clicks as it moves–three degrees for every click. I keep compasw in my truck and one in my bug-out bag because they can save your life.
Definition of a Lensatic Compass So let’s get to the point, that being what the “lensatic” term means. Make sure you include it when you say or write a bearing. We will be plotting our bearing relative to Magnetic North, so there is no need to adjust for a different north reference.
The smaller the angle to Magnetic North, the more likely the diagram will show a larger angle. If you don’t, visit the page just hyperlinked.
Pay particular attention to the surface your are working on. Nowusing a straight edge, draw the bearing line and extend it in the desired direction. You then see where the line you drew intersects with the protractor’s numbers, in this case degrees.
A lensatic compass, also called a military compass, is a more advanced and useful version of a magnetic compass. An orienteer a good one, anyway doens’t need to do this very often.
If your compass does not have these notches, you should add them. The fact that they glow in the dark especially, if they’re the tritium kind which will glow for years without having to be exposed to light means you can use your compass without a light for night navigation.
Refer back to this “reality check” occasionally during plotting to make sure what you are doing makes sense. You want to go cross country directly to Devil’s Wash Basin, a deep and beautiful lake you’ve heard a lot about. You want to find your position using the technique of partial resection, so you need to know that tower’s bearing with a high degree of accuracy. Note that we are using the magnetic dial in the compass.
Watch this video on YouTube Another useful method is to orient your map to north by using lfnsatic compass.