Rotterdam metro 5300/5400 train
1,271 views · Published 24 February 2012 · 1:22 · Indexed 30 September 2026
Channel: Beno · 2012 · Travel & Events
Rotterdam metro 5300/5400 train. It makes nice "networker like" sounds as the AC motors are powered by a set number of frequencies, rather than totally variable frequency (which was not available for high powered motors at the time they were built) http://beno.org.uk