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Re: Murray Bridge to Mt Lofty Regrade

Subject: Re: Murray Bridge to Mt Lofty Regrade
From: David Johnson <trainman@ozemail.com.au>
Date: Wed, 09 Dec 1998 01:27:11 +1100
Newsgroups: aus.rail
References: <365C88BE.3925F89E@denr.sa.gov.au> <366eb297.5187428@news.ozemail.com.au> <3664D789.4FF22340@denr.sa.gov.au> <3691e60f.7475657@news.ozemail.com.au> <Pine.OSF.4.03.9812061448200.20403-100000@ties.itu.ch> <366A9C84.C0AB4D44@ozemail.com.au> <36840e35.3013468@news.ozemail.com.au>
Reply-To: trainman@ozemail.com.au

< Tell > wrote:

> David Johnson <trainman@ozemail.com.au> wrote:
> >Yes, however there are two primary causes of squealing wheels.
> >
> >1) Flanging
> >2) Wheel Creep
> >
> >Most squealing is caused by Wheel Creep, as one wheel is not turning at track
> >speed, and cannot be illiminated without lubricating the rail head.  Tests are
> >currently underway in the Beecroft area to test rail head lubricators.
>
> And ........concrete sleepers amplify the noise.

Not necessarily.  Wooden Sleepers tend to absorb the noise a bit, whereas concrete
sleepers don't.  Wooden sleepers are also a little more flexible than concrete
sleepers.

--
David Johnson
CityRail Guard
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/

References:
- Re: Murray Bridge to Mt Lofty Regrade
  - From: telljb@ozemail.com.au (< Tell >)
- Re: Murray Bridge to Mt Lofty Regrade
  - From: arthur marsh <marsh@ties.itu.int>
- Re: Murray Bridge to Mt Lofty Regrade
  - From: David Johnson <trainman@ozemail.com.au>
- Re: Murray Bridge to Mt Lofty Regrade
  - From: telljb@ozemail.com.au (< Tell >)

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