Re: Very smoky XPT

[jcj1000@eng.cam.ac.uk (John Joyce)]

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.

bfn

John Joyce