RE: 180 off track

I'm going to make a request with due respect.  Please don't send email in blue on gray as it is just a little difficult for these old eyes to read.  This is one of the problems that develop when you become a seasoned and experienced person (otherwise known as an old geezer).

At 02:39 PM 2/26/2002, you wrote:

This introduces another topic - what is the policy on track/flange greasing today? On all my visits to Melbourne I have observed the curving noise being quite high in many places. Is any greasing carried out at all? There is car-mounted flange greasing equipment available for light rail vehicles - it only has to be fitted to a few LRVs to suffice for the whole system. Does anyone know whether such equipment is fitted to either of the new Melbourne types?
 
I visited Sydney in Nov 97, only a few months after SLR started. The noise of the Variotrams turning from Hay St up to Central Station was very loud - enough, I feared, to discredit the whole concept. On a return visit in August 1999 I found the noise had largely disappeared - had something been done about it, or had the track simply worn in? I also noticed in 97 that water was enough to lubricate effectively - on wet days the squeal disappeared (suggesting a simple system to flood the groove with water would be sufficient). Can anyone comment?
 
On the Christchurch Tramway, which is a one-way circuit around a few inner-city blocks, manual track greasing is carried out diligently, and there is no squeal, even on the four sharp right-angle turns on the route. Controlling unpleasant noise is seen as vital for public support for the tramway.
 
Cheers,

Brent Efford
TechMedia Services
Co-ordinator, Transport 2000+ NZ
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New Zealand
Ph (04) 801 9331, Fx (04) 801 9344
Mob 025 887 387
www.techmedia.co.nz
 

Don Ross
Irving, Texas
[email protected]
 

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