NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: 100:1 ratio distance measurements
From: Richard M Pisko
Date: 2003 Apr 4, 19:43 -0700
From: Richard M Pisko
Date: 2003 Apr 4, 19:43 -0700
On Fri, 4 Apr 2003 17:39:07 -0800, Royer, Doug wrote: >.Please feel free to critic my math or my >proceedure.Feedback on this is desired because if my method of calculating >the distance is wrong all of the above is wrong.Or there may be an easier >way to do this. > Probably easier to use a paper strip, tick off the two points, and measure for your map check. For the meter to yard conversion, just subtract 10 percent ... remember this is all pretty rough in actual use. As you wrote it, I think you should have one more set of brackets: Square root of ((difference in eastings)squared + (difference in northings)squared); just to make it a bit more clear. I thought the Russians used a different number of mils in their compasses. I'm pretty darn sure the Chinese mortars didn't use 6400 mils for their circle but I can't remember right now how many there are. How does your Bussol read up at the north end? -- Richard ...
