Aah. I usually think ‘trucks’ for fixed/non-pivoting wheels, and ‘bogies' for pivoting ones.

David

> On 21 Jul 2021, at 5:50 pm, Mal Rowe mal.rowe@...> wrote:

>

>

> On 21/07/2021 17:28, David Batho wrote:

>> Thanks, Mal. So, in Melbourne’s case, all its articulated trams have Jacobs bogies? And in all of them only the end bogies (i.e. under the cabs) are powered?

>

> Only the Bs have Jacobs bogies - under the centre articulation joint.

>

> The C and D class trams have fixed trucks (or bogies if you use the European terminology) which don't rotate freely under the carbody.

>

> The E class have normal bogies which rotate around kingpins - one at each end and two under the centre section.

>

> Three of those bogies are powered.

>

> See: https://tdu.to/i/39071

>

> Mal

>

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