Gday Dud
One would hope the Connie didnt let the lever go when a tram was
over the points..
Your description is correct
I doubt any Tramway would let a hand lever go up against side locked points
Cheers, Mick
On 11/11/2017 7:50 PM, 'Dudley Horscroft'transitconsult@...
[TramsDownUnder] wrote:
> If I remember correctly, the standard actuating mechanism was a three position arrangement which allowed the points to biased for
> left, right, or unbiased. With either of the biased arrangements, the points were set for the one direction, to which they reverted
> after passage of a tram trailing from the other direction. With unbiased, the points always remained in the last position set, so
> that if set for main line they stayed that way till a tram trailed in from the branch, and then they remained set for the branch
> till a tram trailed from the main line.
>
> Perhaps the GCLR engineers were not certain how the springs should be set? and so arranged that they are always set for the facing
> direction leading to the crossover? The unbiased setting meant that for the reverse movement to use the crossover, a point bar
> would be required to change this. With the permanently biased setting, a side of the road lever would be needed - reasonable when
> there were conductors to hold the point level while the tram passed.
>
> Regards
>
> Dudley Horscroft
>
> Regards
>
> Dudley Horscroft
> ----- Original Message -----
> From: "Richard Youltressteleg@... [TramsDownUnder]" TramsDownUnder@...>
> To: TramsDownUnder@...>
> Sent: Friday, November 10, 2017 11:15 PM
> Subject: Re: [TramsDownUnder] GCLR2 Trams Today
>
>
> 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@...>
>>
>>
>
>
>
> ------------------------------------
> Posted by: "Dudley Horscroft" transitconsult@...>
> ------------------------------------
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