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09-02-03, 12:59 PM
I haven't seen this topic in the forums. I hope I'm posting it in the right area.
I want to figure the grade of some of the hills in my area. My guess is that the formula would be:
Height of climb / Horizontal distance x100
I've gotten some elevation info from the US geological survey maps. Sometimes the maps are difficult to understand. Is there a better source?
Should I use the distance as calculated by my cycle computer or use the scale settings on the maps? Does it make more than a minor difference? I would think my computer would be more accurate because of any curves in the road. It might me less accurate because it adds the height of the climb. I took trig in college, but it was many moons ago. Any help would be appreciated.
I want to figure the grade of some of the hills in my area. My guess is that the formula would be:
Height of climb / Horizontal distance x100
I've gotten some elevation info from the US geological survey maps. Sometimes the maps are difficult to understand. Is there a better source?
Should I use the distance as calculated by my cycle computer or use the scale settings on the maps? Does it make more than a minor difference? I would think my computer would be more accurate because of any curves in the road. It might me less accurate because it adds the height of the climb. I took trig in college, but it was many moons ago. Any help would be appreciated.