Re: NR class, final drive whine.

[jumboman@my-deja.com]

In article <37611e40.21163892@news.ozemail.com.au>,
  telljb@ozemail.com.au (< Tell >) wrote:
> Some time ago there was a thread or three in this group
> re the "traction" whine in National Rail's NR class.
>
> Some of the NR class hauling up this way lately are
> *really* noisy, I mean HOWL-HOWL-HOWL.
>
> Yes OK, I am an old crusty CR/ANR/AN >> EMD "remember
> when", but I sure as hell do not remember any of Clydes
> EMD's with noticeable final drive whine.
>
> The CR's NSU narrow gauge class were renowned for their
> final drive whine, in fact some SAR fans, smarting from
> the ANR takeover, likened the NSU's to Melbourne trams.
>
> Just curious why the latest "state of the art"
> locomotive should be so noisy below the main frame.
>
> The NR's have narrow gauge traction motors fitted...may have
something to do with it. They haven't as much grunt as an 82 class!
442.


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