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I hope this is what your meaning,

ratio's with 1:8, etc, would mean that for every Metre or millimetre that is the incline or decline, you would have to have a run of 8 metres or millimetres.

eg. if you want to build a ramp, and you know the height to cover, for this sake,

we'll use the height of 150mm, the mulitiplications is as follows;

150mm X 8 = 1200mm which is the running distance the ramp would cover.

and ofcourse what ever unit of measure you use, the ratio applies the same.

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12y ago
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