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[VAC] Re: Grade %

To: Multiple recipients of VACList <Members-VACList@xxxxxxxxxxxxx>
Subject: [VAC] Re: Grade %
From: "Richard P. Kenan" <as5368@xxxxxxxxxxxxxx>
Date: Tue, 29 May 2001 23:45:24 -0400
Reply-To: VACList@xxxxxxxxxxxxx
Sender: Members-VACList@xxxxxxxxxxxxx

the % grade is, I believe, measured as 100Xvertical drop divided by 
horizontal travel ( i.e., it's the tangent of the grade angle), expressed 
as a percentage.  It could just as well have been slope travel rather than 
horizontal travel, but I've never heard of anyone doing it that way, i.e., 
the sine of the slope angle, as a %.

- Dick
(5368)

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