Re: Very smoky XPT

[David Johnson <trainman@ozemail.com.au>]

John Joyce wrote:

> In article <1omt67.104.ln@fish.local>,
>  George Hills <strowger@ccl4.org> writes:
> >In uk.railway David Proctor <daproc@spam_this.umpires.com> wrote:
> >
> >> Probably due to the fact that the Paxman Valenta was never really designed
> >> for use as a railway engine - it was designed for use as a maritime engine.
> >> I believe that the British HST's are the same (although it has been a few
> >> years since I have been to the UK!)
> >
> >All HSTs smoke - some make more than others.
> >
> >A railwayman once told me to complain about really smokey ones, which
> >would be overdue some sort of filter change. Maybe true.
>
> Air filter, probably; same amount of fuel gets injected but not
> enough air to burn it properly once the filter is blocked. Net
> result: it only gets as far as soot (carbon) rather than carbon
> dioxide.

A lot more complex than that.

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