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Gentlemen;I must say i am proud to assciate with all of you, this is one of those rare times on this forum where we have a considerable amount of dialogue about a decent subject and you can see who is not participating. The people i am referring too will know who they are.The maths is too much for me and i really don't care that much about degrees anyway, % is good enough. My method of using centimetres for height and metres for distance is very simple and accurate. you use a 1 metre length straightedge and have your stepping blocks in centimetres and each centimetre will be a %. But on a curve a straight straightedge is no good because you have to go round a bend. My logic, have a straightedge that is straight vertically but bent to suit the curve horizontally. If you can; even simpler, use a soft tape and measure your 1 metre around the curve and it will not matter if your straight edge is straight horizontally as the the two ends of the measued distance have already been established and all you are establishing is the difference in height between the two and as you know the distance already the same formula will apply. length in M/ height in cM = %I know this is not 100 % right but it will give a rough indication and in this hobby surely this will suffice. But if you have 100 points % and 90 points in a right angle, surely a % must be about 9/10 of a degree?Rgds Ian.PS Trigg if you read this, you will notice that the people you reagrd as experts, are conspicuous by their absence in this discussion.
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