> To: [email protected]
> From: [email protected]
> Date: Sun, 27 Feb 2011 16:23:02 +0000
> Subject: RE: {S-Scale List} Trigonometry of a 2%-3% grade
plus, lengt Re:
> Sloped module idea; Marias Pass,MT
>
>
> Sir, A 2% grade is 2" every 100 " and a 3% is 3" every 100' and as a Civil
> engineer I do know this is correct.Thanks Bert Cutler
>
> To: [email protected]
> From: [email protected]
> Date: Sun, 27 Feb 2011 15:56:52 +0000
> Subject: {S-Scale List} Trigonometry of a 2%-3% grade
plus, lengt Re: Sloped
> module idea; Marias Pass,MT
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> I'm currently designing a sloped module block and am trying to
> determine how much height I could achieve over the course of each module.
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> Since my trigonometry is a little rusty, I went to double check my results
> with an online calculator and the results don't match. As a matter of fact,
> the online-calculator gives me close to 50% more rise then my own
> calculations.
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> Here's what the calculator determined;
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> Over a 4 foot module with a continuous slope;
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> http://www.csgnetwork.com/righttricalc.html
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> A 2% grade =1.68 inches of rise
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> A 3% grade=2.52 inches of rise
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> (The actual Marias Pass has a 3% slope in places)
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> This seems to be a greater increase then I expected.
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> Now, even if this is correct, the first four modules won't increase at this
> rate since they will each include a transition from level to the maximum
> slope.
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> How would I calculate the amount of horizontal space necessary to transition
> to the maximum slope and how much height would be achieved over the course of
> the transition zone?
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> Thank you in advance
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> --- In [email protected], "Tyler" <tfroatz4@...> wrote:
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> > Specifically, I was hoping to start with a flexible TEN foot module "block"
> > consisting of two 4 foot modules and two 2 foot modules, as well as an
> > additional two 6 foot "add ons".
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> > That should have read "Twelve" foot module "Block"
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> ------------------------------------
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