Subject:
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Re: Help on Equation (Was: modeling monorail ramps)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 26 Aug 2003 20:36:46 GMT
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Viewed:
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1245 times
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In lugnet.cad.dev, Tore Eriksson wrote:
> It looks like the I could create quick mockups for the ramps if only I could
> calculte the radius of a thought circle made of MR ramps.
>
> Here's a triangle with a 90 deg's angle AB and the hypotenuse c equlas the
> radius:
> a=640
> b=c-120
> c=<unknown>
>
> That gives c^2 = (c-120)^2 + 640^2
>
> or the system:
>
> { c*sin(v) = 640
> { c*cos(v) = c-120
>
> Is it possible to calculate c from this information?
>
>
> TIA,
> /Tore
I calculate c = 5300 / 3 = 1766.667
The math:
c^2 = (c-120)^2 + 640^2
c^2 = c^2 - 240*c + 120^2 + 640^2
0 = -240*c + 424000
240*c = 424000
c = 424000 / 240 = 5300 / 3 = 1766.667
Hope this helps.
John
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Message is in Reply To:
 | | Help on Equation (Was: modeling monorail ramps)
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| It looks like the I could create quick mockups for the ramps if only I could calculte the radius of a thought circle made of MR ramps. Here's a triangle with a 90 deg's angle AB and the hypotenuse c equlas the radius: a=640 b=c-120 c=<unknown> That (...) (21 years ago, 26-Aug-03, to lugnet.cad.dev)
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