Re: "lost" trains

[keithm@commslab.gov.au (Dave Malcolm)]

In article <3864A820.F1161C2C@zipworld.com.au> Stuart Ellis <mpp@zipworld.com.au> writes:
>From: Stuart Ellis <mpp@zipworld.com.au>
>Subject: Re: "lost" trains
>Date: Sat, 25 Dec 1999 22:18:56 +1100

> The unit involved NR 14 is
>supposed to suffer from "hollow wheels", and I have no idea what they mean by
>this
>yet, and cannot explain why.

Hollow wheels is the term used when the tyre wears more in the middle of the 
tyre rather than evenly over the suface. This results in a smaller contact 
area on the rail. It often occurs when locos work on light weight rails for an 
extended period.

Dave Malcolm

>Stuart Ellis