[modeleng] Re: FW: Rail Accident Investigation alert: RAIB investigation - Kirklees
- From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 29 Jul 2011 19:08:31 +0100
I can remember a major accident in the 50's.
(Perhaps, "roughly remember" might be more accurate!)
It was on the Midland Region and a boiler "failed", when the driver,
fireman, and platform staff "didnt recognise the noise that came from the
fusible plug having blown".
Dont remember any more.
As for accidents, despite all attempts, and massive expenditure, life is a
risk and nothing we will ever do will make it 100% accident free.
In fact, there may well be disadvantages to the attempts to do so.
All we can do is minimise the most obvious risks.
Alan
----- Original Message -----
From: <peter.chadwick@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Friday, July 29, 2011 5:47 PM
Subject: [modeleng] Re: FW: Rail Accident Investigation alert: RAIB
investigation - Kirklees
Interesting. The theory about the boiler failing 'due to the sudden
ebullition of steam when the firebox was flooded' was extensively
investigated in the 19th century by the Manchester Steam Users
Association, and they decided that there wasn't enough over pressure to
cause a failure (by practical experiment!) See Hewison's Locomotive
Boiler Explosions.
Certainly the fusing of lead plugs hasn't stopped accidents on big
engines, and the reports on wartime USA engines suggest some bad design of
the plugs.
But of course, those were the days where Stroudley, speaking about a
boiler explosion, said ' I think that if it had not collapsed, the plate
was thick enough to stand a pressure of 200lbs to the square inch'
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