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Re: [NSW] Cityrail Grades

Subject: Re: [NSW] Cityrail Grades
From: "Dave Proctor" <daproc@spambait.ozemail.com.au>
Date: Wed, 12 Apr 2000 12:57:03 GMT
Newsgroups: aus.rail
Organization: Another Optus Customer
References: <eHXI4.3860$5D.8074@ozemail.com.au> <phYI4.3882$5D.7926@ozemail.com.au> <38f45fb8$0$11897@news01.syd.optusnet.com.au> <38F46240.8F87432E@ozemail.com.au>
Xref: bclass.spectrum.com.au aus.rail:5964

"Anita Lukaszyk" <neety@ozemail.com.au> wrote in message
38F46240.8F87432E@ozemail.com.au">news:38F46240.8F87432E@ozemail.com.au...
> I *think* it uses 'feet' instead of metres.
> Please dont use TAN. It reminds me too much of Year 10 maths!  :) That
bloody SOHCAHTOA thing...
> AAAARGH!
>
> Hubert Lam wrote:
>
> > Sorry does "1 in 40" mean tan x = 1/40 (rises 1 metre vertically for
every 40 metres of horizontal
> > track) or does it have some other meaning?

It means it rises 1 of anything for every 40 of anything that you go
forward. You can measure it in millimetres, inches, feet, fathoms or
decametres and it will still give you the same result.

Dave

References:
- [NSW] Cityrail Grades
  - From: "Mitch" <this.is.not.my@address.postoffice.net>
- Re: [NSW] Cityrail Grades
  - From: "Chris Downs" <cvdowns@ozemail.com.au>
- Re: [NSW] Cityrail Grades
  - From: "Hubert Lam" <hubert@imap4.com>
- Re: [NSW] Cityrail Grades
  - From: Anita Lukaszyk <neety@ozemail.com.au>

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