Re: W7 956
  llllmikellll

OK, I get the bit about the center distance. My now quite old memory of the
cable tram wheels is that they are quite skinny compared to later wheels.
Ive always assumed that the rails were also lighter in proportion; maybe
50lb compared to about 75lb now?

Mike

On Wednesday, December 12, 2018 at 4:10:55 PM UTC+11, Mal Rowe wrote:
>

>

> On 12/12/2018 15:35, 'llllmikellll' via TramsDownUnder wrote:

> > Mal, what does this mean; (in pedant mode) 956 is an SW6, ?

>

> The subject of this email describes it as a W7 - that classification

> applied to trams 1001 to 1040

>

> The SW6 classification applied to trams 850 to 969.

>

> The main difference was the drop centre seating arrangement.

>

> >

> > If the original rails were spaced to standard gauge, then I presume

> > the cable tramway used the same rail as for the electric?

> >

> Correct, but the track centres were different - electric trams tracks

> were spaced at 11' (3352mm) where as cable tram tracks were spaced at 9'

> (2743mm).

>

> This meant that electric trams could not pass on cable tram tracks -

> which only mattered when they were towed over the cable tram tracks in

> the dead of night in the days before the electric systems were

> interconnected.

>

> Mal Rowe - remembering that Brisbane stuck with 9' track centres when

> converting to electric.

>

>