The Fortescue Railway operates some of the longest and heaviest trains in the world, and in the seven years since it began hauling iron-ore across the deserts of the Pilbara region, it continues to push the technical boundaries of heavy-haul. Keith Barrow reports from Western Australia on the latest developments in Fortescue's unrelenting quest for greater efficiency and higher capacity.
Freight wagons remain the source of high levels of noise despite European legislation prohibiting the use of cast-iron brake blocks on new wagons. Dr Martin Toward, Dr Giacomo Squicciarini, and Professor David Thompson from the University of Southampton's Institute of Sound and Vibration Research look at current efforts to mitigate rolling noise and curve squeal from freight rolling stock.
TRIALS have started in South Africa with three locomotives fitted with a system called Jika passive hydraulic steering (PHS) which is aimed at trebling the life of locomotive wheels and reducing track wear by 60%.