In message , at 13:50:03 on 
Sat, 13 Sep 2008, Hatunen  remarked:
>>The only bit of bad track I found on Eurostar was when it operated from
>>Waterloo and there was a section near Vauxhall station where it
>>consistently bottomed the suspension about once a second: bang ....
>>bang.... bang
>
>When it was operating from Waterloo Station Eurostar used regular
>trackage to the Channel, not special high speed trackage.

The section of track in question was traversed at low speed. Less than 
50kph. Even "ordinary" track shouldn't make a train behave like that.

>Pretty dreary part of the trip, mingling in with all the regular trains 
>adn traveling at relatively low speed.

Yes, I used it many times.
-- 
Roland Perry