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Bregalad's user avatar
Bregalad
  • Member for 5 years, 11 months
  • Last seen more than 1 year ago
  • France
4 votes
4 answers
4k views

How do trolleybus switches work?

4 votes
3 answers
2k views

Is there any reason why "inner-flange" style train wheels are almost universal?

3 votes
1 answer
214 views

Can a Foucault's current brake be used on the rails themselves to brake trains?

3 votes
2 answers
513 views

Why are both conductors in a High Voltage Direct Curent powerline isolated from ground?

2 votes
0 answers
80 views

Is there a particular reason the Moléson funicular is built as a giant bridge?

2 votes
4 answers
2k views

Why are trams always electrified with DC, while trains can be electrified either with AC or DC?

1 vote
1 answer
41 views

Is there any more convincing exemple of the Braess Paraxod than the diamond-shaped network?

1 vote
3 answers
536 views

What are the factors that made narrow-gauge railways cheaper in the early 1900s, and are they still applicable today?

1 vote
4 answers
5k views

What determines the maximum possible slope of rail transportation (without rack)?