What surprises me with GC is that mainline trailing points are spring loaded, set for the very rare occasions when they may be needed for a reversing tram. A very wasteful procedure.
I need to ask drivers if they even carry a point bar.
Regards,
>
> On 10 Nov 2017, at 10:03 pm, 'Noel Reed'noelreed10@... [TramsDownUnder] TramsDownUnder@...> wrote:
>
> Trailing through tram points against the switch blade position is common tramway practice where switch blades can be repaired by welding.
>
> In Sydney, rarely used crossovers were usually set for the straight on both tracks to avoid unnecessary wear.
>
> Trailing against the switch blade positions at a tramway museum causes gradual wear on the points and wheel flanges. Is it good practice at a museum to invite unnecessary wear which costs extra expense for the volunteers ?
>
>
>
> Many US trolley museums use manual non trailable ‘switch stands’ for point operation so points must be set correctly for both facing and trailing movements.
>
> From:TramsDownUnder@... [mailto:TramsDownUnder@yahoogroups.com]
> Sent: Friday, 10 November 2017 1:41 PM
> To:TramsDownUnder@...
> Subject: Re: [TramsDownUnder] GCLR2 Trams Today
>
>
>
>
>
> On 10/11/17 10:36, 'William Jackson'apairofjacks@...
> [TramsDownUnder] wrote:
> Richard
> Do you have a feeling as to whether trams will be stopping before the
> facing points, ala Melbourne?
>
> Probably not as they have point blade location detection.
>
> I noticed at the Uni terminus shortly after the system opened, while an incoming tram was 'trailing' the crossover points, the point indicator signal was flipping between 'set for turn' and 'stop' each time a wheel pushed pass the switch blade.
>
> So the driver has advance warning of the blade positions via these lamps, which appear to reflect what the real blade position is, not the commanded blade position.
>
> So they don't have to stop with in visual distance and look at the blades, just see (from a distance) that the right lamp is lit.
>
> The non-connected stub siding, to be connected / has already?
>
> Wasn't this a construction siding ?.
> It will be eventually removed entirely if thats why it's there.
>
> Posted by: Matthew Geier matthew@...>
>
>