Re: what is a 38"s theoretical top speed?

[Bob <gioia@fastlink.com.au>]

Craig Haber wrote:

> Terry Burton wrote:
> > I found out that some of the pass cars were not up to
> > the high speed, they were "hunting" on their bogies, a
> > rather disturbing rapid side to side movement.
>
> This is a habit which Sprinter railcars have developed.  Some get the
> side-to-side shake quite badly at 120km/h+, and becuase they have no
> lateral damping, it takes some time to settle down.  It's quite
> disconcerting!
>
> Cheers,
> Craig.
> --
> Craig Haber
> albatross@harnessnet.com.au
> Manufacturing Systems Engineer (almost)
> Web Page Designer, Harness Racing, Railways, and Essendon Football Club
> fanatic
> http://www.harnessnet.com.au/

  This latteral play wears the flanges badly.Its a bit like a dog chasing
its own tail. The more the flanges wear , the more latteral play and on it
goes. I think that the XPTs have a different profile on the wheels to try
to overcome this.
                                        Bob