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BR Ivatt 2-6-0 43106
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KJEvans



Joined: 08 Feb 2010
Posts: 1214
Location: Kidderminster or Edinburgh

PostPosted: Mon Dec 29, 2014 9:27 pm    Post subject: Reply with quote

cherry_p wrote:
yates_m wrote:
What was the LMS coach used on the IFE today please?
26986 was scheduled according to the traffic notice.

As the usual IFE coach 9220 is currently the centre brake on set C so not really accessible.
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J-Green



Joined: 17 May 2010
Posts: 807
Location: Herefordshire

PostPosted: Tue Dec 30, 2014 10:24 am    Post subject: Reply with quote

It was quite nice, crossing two LMS trains at Hampton!
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Peter Share



Joined: 30 Jul 2012
Posts: 311
Location: W'hampton

PostPosted: Tue Dec 30, 2014 1:10 pm    Post subject: 29th Dec IFE Reply with quote

43106 left Bridgnorth a few minutes late (Yard dummy frozen - needed a tap with a size 9)
Returned with the IFE, using 26986, as noted.

Peter Share - duty signalman at Bridgnorth
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Robin



Joined: 07 Apr 2014
Posts: 265
Location: Stourbridge

PostPosted: Tue Dec 30, 2014 4:39 pm    Post subject: Reply with quote

cherry_p wrote:
Gary Williams reports on Facebook: "Drivers side sniffting valve snapped has been replaced and tested and loco is fit for use on tomorrow's Ife leaving bridgnorth at 8am to work l/e to Bewdley for the Ife hope this answers everything for all the keyboard warriors out there"

Out of interest, the Wikipedia entry on snifting valves states UK railway companies did not agree on the merits of snifting valves. The London and North Eastern Railway used them very widely. The London, Midland and Scottish Railway did not use them on new locomotives but inherited some locomotives with snifting valves from constituent companies.

So if Wikipedia is right, the original LMS design for the Ivatt 4MT would not have had snifting valves. Did BR/Darlington choose to use them on the batch including 43106, or is Wikipedia talking nonsense?
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LMS2968



Joined: 04 Sep 2006
Posts: 362
Location: Wigan

PostPosted: Tue Dec 30, 2014 4:48 pm    Post subject: Reply with quote

I know this will come as a shock, but Wikipedia is wrong. Certainly all Stanier engines had them, you can hear the 'tinkling' sound they make as the engines are in motion with steam shut off. Fairburn and Ivatt engines had the too, and I suspect Fowler classes were also fitted.
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Robin



Joined: 07 Apr 2014
Posts: 265
Location: Stourbridge

PostPosted: Tue Dec 30, 2014 5:10 pm    Post subject: Reply with quote

I had a feeling that might be the case - thanks for the info.
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madderlake



Joined: 22 Jul 2007
Posts: 258
Location: Bridgnorth

PostPosted: Tue Dec 30, 2014 6:27 pm    Post subject: Reply with quote

LMS2968 wrote:
I know this will come as a shock, but Wikipedia is wrong. Certainly all Stanier engines had them, you can hear the 'tinkling' sound they make as the engines are in motion with steam shut off. Fairburn and Ivatt engines had the too, and I suspect Fowler classes were also fitted.

One can edit Wikipedia.
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bradleyman



Joined: 23 Jun 2007
Posts: 822

PostPosted: Tue Dec 30, 2014 6:47 pm    Post subject: Reply with quote

Wiki aside it's difficult to see how a piston valve steam loco would drift without steam on if it was not fitted with snifters.

They are not necessary on slide valve locos as the valves drop away from their faces when no steam is being used.

For BR Std locos BR adopted GW style valves.
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KJEvans



Joined: 08 Feb 2010
Posts: 1214
Location: Kidderminster or Edinburgh

PostPosted: Tue Dec 30, 2014 6:58 pm    Post subject: Reply with quote

J-Green wrote:
It was quite nice, crossing two LMS trains at Hampton!

So much for us being a GW branch line!
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J-Green



Joined: 17 May 2010
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Location: Herefordshire

PostPosted: Tue Dec 30, 2014 7:00 pm    Post subject: Reply with quote

Was a spare drivers' side snifting valve ready 'off the shelf' or is 46443 currently doing without her's Smile
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LMS2968



Joined: 04 Sep 2006
Posts: 362
Location: Wigan

PostPosted: Tue Dec 30, 2014 8:49 pm    Post subject: Reply with quote

madderlake wrote:
LMS2968 wrote:
I know this will come as a shock, but Wikipedia is wrong. Certainly all Stanier engines had them, you can hear the 'tinkling' sound they make as the engines are in motion with steam shut off. Fairburn and Ivatt engines had the too, and I suspect Fowler classes were also fitted.

One can edit Wikipedia.

Which is why I never look at it. You never know which idiot edited it last!
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oliver



Joined: 26 Mar 2007
Posts: 870
Location: Bridgnorth

PostPosted: Tue Dec 30, 2014 9:45 pm    Post subject: Reply with quote

Quote:
Was a spare drivers' side snifting valve ready 'off the shelf' or is 46443 currently doing without her's Smile


No, one was used off 42968.
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LMS2968



Joined: 04 Sep 2006
Posts: 362
Location: Wigan

PostPosted: Tue Dec 30, 2014 10:07 pm    Post subject: Reply with quote

oliver wrote:
Quote:
Was a spare drivers' side snifting valve ready 'off the shelf' or is 46443 currently doing without her's Smile


No, one was used off 42968.


WHAT???

Well, she won't be needing it for a while!
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boldford



Joined: 11 Aug 2005
Posts: 2727
Location: Glad to be no longer stuck on that linear parking lot known better as the M6

PostPosted: Wed Dec 31, 2014 9:30 am    Post subject: Reply with quote

LMS2968 wrote:
madderlake wrote:
One can edit Wikipedia.

Which is why I never look at it. You never know which idiot edited it last!
By and large it's fairly accurate. If you do find a glaring error like the one you mention, you are at liberty to correct it and thus make it more accurate.
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LMS2968



Joined: 04 Sep 2006
Posts: 362
Location: Wigan

PostPosted: Wed Dec 31, 2014 10:58 am    Post subject: Reply with quote

boldford wrote:
By and large it's fairly accurate. If you do find a glaring error like the one you mention, you are at liberty to correct it and thus make it more accurate.

At the risk of serious thread drift, I think you've identified the problem, Brian. If I wanted to know something and looked it up on Wiki, the chances are that I wouldn't know whether or not the information given was correct; I'd know that only if I already knew the answer!

In a previous life, I taught undergraduate engineering degree students, and these were required to quote sources in their assignments. I always warned them not to cite Wikipedia, and if they did I would simple put a red line through that passage, and no marks would be given for it. Harsh? Well. each assignment would be second marked, and if I didn't do that, the second marker certainly would.

Wiki can be a useful pointer, but best not to rely on it unless a second, authoritative source agrees.
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