Re: RC: grades steeper than 20%

[Teddy Lancaster <Teddy@runningbear.com>]

The steepness of a grade is measured by how many feet of change there is in a mile. For instance...a change of 528 feet in one mile is
a 10% grade.

Teddy

"guest@endurance.net" wrote:

> Barb Peck bpeck@together.net
> Barb Peck
> bpeck@together.net
>
> RE: grades steeper than 20%
>
> I've always wondered how the steepness is "graded".
>
> The highways thru the White Mtns in New Hampshire and some of the
> highways in Colorado, have signs stating what the % grade is.
>
> A 15% grade is a burn-your-brakes-out-downhill-nightmare.
>
> I can only imagine how steep 20% is.... I imagine some skii-trails
> to be >20%.
>
> Anybody out there know how to convert %grade into an angle???
> (like what % grade is about the same as a 45 degree slope(angle))
>
> Sombody's gotta know this!
>
> Barb
>
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Ridecamp is a service of Endurance Net, http://www.endurance.net.    
Information, Policy, Disclaimer: http://www.endurance.net/RideCamp   
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