Byron Software and Services


TRA EMU ride problems

Extract from Neil Thompson's
I.Mech.E Professional Review Report
(section B1.1.6)

Shows the secondary suspension leveling valve rod and bent bracket.
Excessive roll of trailer cars when fully loaded caused the bracket to bend, this increased air bag inflation when the car returned to the Ievel. Greater air bag inflation increased the tendency of the car to roll.
Events continued during a run until the suspension height was such that the air bag vented continually BREL design team visited site and in view of the evidence decided that anti-roll bars were to be fitted.

TRA EMU Ride problem


London Transport

Taiwan Railway

South Africa

British Railway


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