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Okay Mister Math Whiz


Nanuq

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Here's what I'm working on today... who can figure out what I'm trying to accomplish? :g:

gudermannian.jpg

When you get it figured out please send me your results. I'll just chill and drink some coffee until then. :whistling:

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Gee, it's been a while since Navigation 303 in flight school.

You're probably trying to plan a rather long (longer than a Scout hike) horizontal traverse over a geographical plane. The maps you have need to be compensated for the Mercator Projection on a globe in order to follow a true Rhumb line to realize 'real world data' for the planning phase. You know, over a sphere, Pythagoras is wrong; the shortest distance between two points is a curved line. Wear heavy wool.

Here's the graph of the equation if it's any help;

Mercator.jpg

Ironically, if you turn the graph 90 degrees, you can plot the new administration's economic performance since the inauguration.

Mercator2.jpg

The resultant curve is what we call in other aviation vernacular; Flying Blind.

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Demsey nails it! I knew the old celestial nav training would come through.

It's a Gudermannian transform of sorts... "real" latitude as a function of "fake" latitude on a Mercator projection. Toss in a transform for Mercator loxodromes and you're home and dry.

Pack lots of wool! :tu:

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