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FW: Loco Cab Safety

Aus loco discussion mailing list

Agreed.  Certainly most locos since the early 80's have the "safe cab"
concept of no sharp corners or edges.  However, my point was that most
loco accidents don't result in quite the same sudden stop that car
accidents do: unless an equally large object is hit, the train generally
takes quite a distance to stop.  Hence the crew are far less likely to
be hurled forward as severely as car occupants would be.

Peter

-----Original Message-----
From: Craig Haber [mailto:albatross@harnessnet.com.au] 
Sent: Wednesday, 1 December 1999 9:56 PM
To: Aus loco discussion mailing list
Subject: Re: FW: Loco Cab Safety


Aus loco discussion mailing list

G'day,

Peter Donaghy wrote:

> Though it's over sixteen years since I last did physics at Uni, I'll
try
> to explain the situation as I see it.

<snip>
In any accident (train or car etc), there are two impacts - first the
vehicle hits whatever (in this case, one loco hits another), the second
is
that the person hits their surrounds (that is, the driver is slammed
into
the controls, or steering wheel in a car accident).  The idea of
seatbelts/airbags is to reduce the impact of that second collision.  As
in
car accidents, they may well reduce injury in rail accidents by stopping
a
train driver being slammed into the controls (remember the loco stops
from
50km/h in nearly zero time - the driver then hits the dash at similar
speed!)

I believe later Clyde loco's (including the G's, N's etc) were built
with
their cabs laid out to reduce the consequences of that second impact.

Regards,
Craig.
--
Craig Haber
albatross@harnessnet.com.au
http://www.harnessnet.com.au/ch/
Proofread carefully to see if you any words out


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