Protractor Grid References - much simpler method
4,331
Published 2024-02-25
In this video I’ll show the normal process and compare it to my method. Give both of them a try and see which you prefer.
Of course most people don’t carry a protractor when out hiking over the hills, but I find that any supplementary knowledge is both interesting and, occasionally, useful.
Let me know in the comments which method you prefer.
Remember, while a protractor can provide approximate bearings, for precise navigation, especially in outdoor activities like hiking or orienteering, it's essential to use a map and compass to ensure your route is safe.
All Comments (18)
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I have been taught everything you were showing, then right at the end the simple trick of turning the protractor over blew me away, why have I not been shown this before, or why have I not had the common sense to figure it out for myself. Your channel is the best for map skills, thank you. 👍
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I still have (and use) my 6” RA protractor from my army days. (Served 1975 - 1988). It was,is and remains a brilliant tool!
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Thank you for sharing your incredible knowledge on this subject. Honestly I just kind of stumbled into this channel but now that I’ve watched your videos, I’m really interested. I don’t know how or when is need to apply these map skills but I’d like to think I’ll be a little more prepared and equipped if I do.
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Thanks for sharing your knowledge, very much appreciated 🇦🇺👍🇬🇧
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OMG....you have blown my mind, flipping the protractor...genius! Of course the Drill Sergeant would have caved your head in...🤣🤣🤣 Brilliant, love your channel!
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I am not a navigator and would use my mobile phone or sat nav if I get lost but I just love these videos, my favourite so far is the trig points, lived near one knowing its something to do with triangulation stuff but it was fascinating listening to your video. I like the nice tidy office, and the jumper, I tried to source a jumper like it to no avail.
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String & Protractor is very like the marine navigator's Portland Plotter. As ever a great video on an absorbing subject. Thank You sir.
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Neat! The US Army taught me Right and Up. Interesting to see another method.
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I love your videos. This one has the very funny coincidence that 404 is the error code for "Not found" in HTML 🤣
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Both of these latest two videos only seem to have audio in one ear! Other YT videos are playing fine
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Just curious, how did you acquire your map skills? Military training, land surveying or just a hobby?
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Shaven raspberry do a very useful romer. Of course the silva expedition compass negates the need for a romer or protractor.
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The audio is fine.
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I have military style and civilian style protractors that are made/setup to read the Roamer scales using each method you show on the US military protractor. My older Suunto GPS plotter compass (no longer made) was setup to use the Roamer scales in the method you show by turning the US military protractor upside down. My Cammenga Destinate DT-3 baseplate compass has the Roamer scales made on the baseplate. You can use these Roamer scales in either technique that you show without turning the DT-3 compass over.
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I am not a great fan of the way you turn the roomer to measure a position. I like more the first shown method with the US protractor where i put my roomer-scale up the southern gridline so i am sure it is perfect parallel to the gridline. Then i move the roomer east until the vertical roomer-scale touch the desired point. I often saw that if you use the other way the roomer-scale is not perfect parallel to the southern gridline, wich may cause in faults. For a 100m reference this wil not make a great difference but on 10 or 1 m reference i like it more accurate.
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excellent, even I could understand this
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The audio is very quiet.
