Re: CRRC trackless trams set for Perth trial
  Mark Skinner

Not to mention that if the wheels track in exactly the same place due to
the guidance system, then simple asphalt roads are insufficient because
ruts form easily. The roadbed needs to be concrete. Further cost.

On Wed, 24 May 2023, 8:31 am Tony Galloway, arg@...> wrote:

> These things are optically guided, having some buried guidance system

> defeats the purpose of being “trackless”. Hardly useful for something

> touted as “cheaper than trams because there’s no track”.

>

> Primove was an induction based power supply system AFAIK, not a guidance

> system. It was intended for electric vehicles following a fixed route, not

> necessarily trams, and failed due to the inefficiency of induction compared

> to direct contact systems, and the improvement in battery technology since

> it was invented.

>

> Anyway, it’s just another over-hyped guided bus, a solution in search of a

> problem.

>

> Tony

>

> On 23 May 2023, at 17:33, TP historyworks@...> wrote:

>

> It sounds to me like there's some expensive, vulnerable guidance system

> under the road and money is no object to the Chinese. A similar technology

> by Bombardier (Primove) was trialled in Europe. It was so costly to set up

> and maintain that they abandoned the project.

>

> Tony P

>

> On Tuesday, 23 May 2023 at 16:48:06 UTC+10 Mark Skinner wrote:

>

>> Meanwhile, Adelaide's O-Bahn buses, er "trackless trams" are in their

>> 36th year of operation. And double ended buses in airports for much longer

>> than that. Plus, I wouldn't even try to guess how old articulated buses

>> are. Is there anything actually new here...apart from the breathless

>> headlines?

>>

>> Sarcasm aside, why don't these people just say they are trying a guided

>> busway? Perfectly understandable to everyone. Why do they have to puff it

>> up by saying they are trialling (sic) a trackless tram (sic), and

>> pretending it's something new.

>>

>> It, and its performance have been round for years. Why do they need to

>> try it? If they are that uncertain about it, perhaps it's not such a good

>> idea?

>>

>> On Tue, 23 May 2023, 6:58 am Greg Sutherland, gregsut...@...>

>> wrote:

>>

>>>

>>> https://www.railexpress.com.au/crrc-trackless-trams-set-for-perth-trial/

>>>

>>>

>>>

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