Cater MetroTrolley
Encyclopedia

MetroTrolley is a battery electric vehicle
Battery electric vehicle
A battery electric vehicle, or BEV, is a type of electric vehicle that uses chemical energy stored in rechargeable battery packs. BEVs use electric motors and motor controllers instead of, or in addition to, internal combustion engines for propulsion.A battery-only electric vehicle or...

 developed in response to zero emission rail car
Rail transport
Rail transport is a means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks. In contrast to road transport, where vehicles merely run on a prepared surface, rail vehicles are also directionally guided by the tracks they run on...

 requirements in certain environments. Its aim is to replace the RRV Hirail-type road-rail vehicle
Road-rail vehicle
A road–rail vehicle is a self-propelled vehicle that can be legally used on both roads and rails. Combining the words "highway" and "rail", one is often referred to as a hi-rail truck or just hi-rail, sometimes spelled high-rail, HiRail or Hy-rail. They are normally converted rubber-tired road...

 used for ultrasonic rail flaw detection [RFD / non-destructive testing]. Previous trolley types do not have full rail inspection
Rail inspection
Rail inspection is the practice of examining rail tracks for flaws that could lead to catastrophic failures. According to the United States Federal Railroad Administration Office of Safety Analysis, track defects are the second leading cause of accidents on railways in the United States. The...

 capabilities or do not have zero emissions. It was developed in 2007 by the Centre for Advanced Transport Engineering and Research (CATER) in Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

 primarily for ultrasonic rail flaw detection

A newly developed alternative is the HANDWave DRT (Dual Rail Tester) which is capable of ultrasonic rail flaw detection performance equivalent to current rail bound testers. This unit can be separated into two (2) separate Single Rail Testers (HANDWave SRT) or towed behind a rail vehicle].
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