Is there a TDU catch up tomorrow now that things have opened up?
On Wed., 17 Nov. 2021, 2:14 pm TP, historyworks@...> wrote:
> I think it's an extreme stretch to say that Alstom and CAF have something
> * serious * in their catalogues to offer Melbourne, with the exception of
> the open question of whether Alstom will allow any Bombardier designs to
> survive. I don't think there is any need or possibility to develop an
> Australian-designed tram when there are plainly suitable models for
> Australian operations available in the catalogues of other European tram
> manufacturers. The better angle would be to organise local assembly of
> whichever one of these wins a tender. The main issue is mandatory open and
> competitive tendering, so it's not possible to "enforce" a standard tram
> either within one state or across Australia. More important for the
> commissioning body to have a detailed specification and performance
> standards laid out in the tender.
> I did a media search on Skoda in Germany because I haven't heard of any
> issues as mentioned by Matthew. The German tram market is going gangbusters
> for them and I know of no problems with the push-pull train for Bavaria
> (similar versions of which have also been operating in Czech Republic and
> Slovakia), other than a development delay. It has received homologation for
> the whole of Germany. I think covid disrupted entry to service, which has
> also happened with many projects.
> Tony P
> On Wednesday, 17 November 2021 at 09:38:54 UTC+11 Mal Rowe wrote:
>> On 17/11/2021 08:01, Matthew Geier wrote:
>> > If Melbourne stands fast on its requirement to have rotating bogies,
>> > both Alstom and CAF do have something to put forward. It's going to
>> > come down to if fleet engineering calls the shots or treasury.
>> I think that it is very likely that Melbourne will stick with its
>> Melbourne learnt the hard way that not controlling tram selection is a
>> bad idea - although the Citadis and Combino trams never ended up off the
>> tracks for extended periods.
>> Even the 'successful' C2s are restricted to one route with minimal
>> vertical curvature.
>> As has been said so many times - and over many decades - it would make a
>> lot of sense to have an Australian standard tram - at least in terms of
>> the basic chassis and drive train configuration.
>> I'm not holding my breath for that one!
>> Matthew: Your photo of a CAF bogie shows the way it connects to the tram
>> body through closely spaced springs.
>> See: https://tdu.to/m/263305
>> I suspect that the cracks shown in the various pictures and described as
>> being around the 'wheel arch' are in fact around the tramcar chassis
>> where it attaches to the springs. It would be subject to enormous stress
>> due to the twisting of the springs.
>> Mal Rowe - who only did a couple of mechanical engineering subjects at
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