If you travel by train you know …
Digging for the origin of the concept of virtual transition, I found a legal document from 1915 and, as I was travelling by train, I understood that it is a fact of common sense …
The article I don’t want to write – Virtual Transition forensics
In 1952 the Virtual Transition principle was presented to the Railway Engineering Division of ICE.
Later it became part of the Handbook No 3 Railway Curves.
When a non-compliant alignment is also so compliant …
Long time ago, a good friend of mine, had an interesting design experience. He designed a non-compliant alignment and, after slueing it about 1mm, he turned it into compliant. The magic is described here …
Why don’t we use angular speed and acceleration for railway track curving calculations?
Have you ever wondered why …
(my plan was to publish this a few days ago – sorry for the delay)
Should we change the Virtual Transition length?
A different kind of article … Antescript Several times, in the last ten years, I started to write articles with this title. The only draft I kept is so convoluted and confusing that I might even decide to publish it. I have a few answers to this question. There is one I hesitate to put…
Which is better – S&C or plain line?
Thank you for visiting this page. I would really appreciate if you could spare a minute and answer the few questions below. I’ll publish the responses with a few comments as soon as enough answers are collected. If you don’t see the form below, please go to this link: Which is better – S&C or…
A railway track blog 