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[email protected] · July 16th 11, 08:32 AM posted to uk.transport.london

In article ,
(Charles Ellson) wrote:

On Sat, 16 Jul 2011 02:19:28 +0100, Clive
wrote:

In message ,
" writes
In my time on both the Northern and Central lines trains were
frequently moved around depots with the doors wide open, if only to
get some fresh air through them.
That's because the driver had turned on the bypass switch.
Neither the 38 or 62 stock that I worked on had any kind of interlock
to cut power if any door was open.

AFAIR the only interlock was (allegedly) with the guard's bell.

Surely the first stock to have a door to traction control interlock was
the 1967 stock?

--
Colin Rosenstiel