[pct-l] (no subject)

[Tortoise]

You almost got it.
A 5280 foot rise in one mile would be a 100% grade. However the slope 
angle would be 45 degrees.
A vertical rise would have infinite degrees grade.
I suppose you could have a huge negative if you had an overhang.
But I'm not a rock climber.

----------
Tortoise

<> He who finishes last, wins! <>

I switched to Mac OSX rather than fight Windows
Using Mozilla Thunderbird  http://www.mozilla.org/products/thunderbird/

Slyatpct at aol.com wrote:
>  
> Funny y'all should be talking about this now, I am too on another  forum.  
> Here's what I came up with, correct me if I'm wrong.
>  
> Someone said the max is 45% but I differ.
>  
> I said...
>  
> "I think it works as follows. a 528' rise in one mile is a 10% grade.  
> Conversely, a 100% grade would be 5280' in one mile or a 90 degree angle aka  
> straight up. So, a 45 degree angle would be a 50% grade and a 2640' rise in one  
> mile."
>  
> Sly
>  
>  
>  
> In a message dated 2/13/2007 1:44:12 PM Eastern Standard Time,  
> msaenz at mve-architects.com writes:
> 
> Elevation at PCT/I-10 is 1580 at mile 210.
> Mission Creek Trail Camp  is 7965 at mile 239.
> That's 6385 feet gain in 29 miles, or 220 feet of gain  per mile (average).
> 
> As for "grade percentage", the trail stays fairly  low for the first 15 miles 
> before the real climb up the east flank of San G  along Mission Creek.
> 
> The mouth of Mission Creek is about 3060 at mile  225. so that's about 4905 
> feet of gain in about 14 miles. That would be what?  A 6% grade average up 
> Mission Creek?
> (grade percentage is rise divided by  distance?)
> 
> 
>  
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