1% represents 1 foot of elevation gain for each 100 feet traveled. FYI, maximum
grade allowed on the Interstate highway system is 7%.
Rich
[EMAIL PROTECTED] wrote:
> This past weekend we traveled up and down 6,7,8% grades. My question is, % of
> what? Why not use 20 deg. 30 deg. or what ever. I know going up that 8% grade
> would have been better described as, oh....i don't know a 40. Can anyone help
> me see the "height"?
>
> J.L.Dietz #4361 S.E.PA
>
> .
>
>
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