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Author Topic: 31806 on the main line  (Read 785 times)

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Offline Dorsetmike

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31806 on the main line
« on: April 21, 2018, 12:14:32 PM »
Swanage Railway's  SR U class 31806 on a test run from Swanage >Wareham>Weymouth>Yeovil and return,



Some awesome sound on the climb from Weymouth to Bincombe tunnel.
« Last Edit: April 21, 2018, 12:17:49 PM by Dorsetmike »
Cheers MIKE
(Sorry, but you are not allowed to access the gallery)


How many roads must a man walk down ... ... ... ... ... before he knows he's lost!

Offline Newportnobby

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Re: 31806 on the main line
« Reply #1 on: April 21, 2018, 08:55:16 PM »
Oh, the ignominy of being dragged around backwards by a chip fat fryer but at least the U class had it's revenge :)

Daft question time - for similar size locos how come the U class weighed 50 tonnes or so more than an N class please? :dunce:

Offline dodger

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Re: 31806 on the main line
« Reply #2 on: April 22, 2018, 06:57:49 AM »
As far as I can find out the weight difference was about 7.25 tons. The U class weighed in at 110.75 tons and the N class at 103.5 tons according to SEMG.

Dodger

Offline Newportnobby

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Re: 31806 on the main line
« Reply #3 on: April 22, 2018, 09:42:10 AM »
As far as I can find out the weight difference was about 7.25 tons. The U class weighed in at 110.75 tons and the N class at 103.5 tons according to SEMG.

Dodger

My 1964 Observer's Book of Railway Locomotives of Britain gives the N class weight as 61 tonnes 4 cwt.
I can only assume this is a mistake as such a loco would weigh more than that, hence the question.
Your reply is a far more sensible weight. :thankyousign:

Offline Hailstone

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Re: 31806 on the main line
« Reply #4 on: April 22, 2018, 01:08:24 PM »
Mick,

the 61 tons is probably the loco only, remember that the tender in working order would weigh around 40 tons

Regards,

Alex

Offline Newportnobby

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Re: 31806 on the main line
« Reply #5 on: April 22, 2018, 02:05:07 PM »
That was my guess, Alex, but the weights are shown without specifying anything...........just 'weight'
Wickedpedia cites:-

U class 110t 14cwt
N class 103t 12cwt

Must just be an error in the Observer book

Offline Hailstone

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Re: 31806 on the main line
« Reply #6 on: April 22, 2018, 02:54:04 PM »
Actually, Wikipedia says total weight

Regards,

Alex

Offline Train Waiting

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Re: 31806 on the main line
« Reply #7 on: April 22, 2018, 06:54:37 PM »
I hope this helps; I have dimensions diagrams for both classes.

'N': Loco - 61tons 4cwt  Tender - 42tons 8cwt.  Total 103t.12c.

'U': Loco - 62tons 6cwt  Tender - 42tons 8cwt.  Total 104t.14c.

I assume that the additional 1ton 2cwt was due to the 'U' being a 3" bigger engine in height (12'10" as opposed to 12'7").  The wheels would certainly be heavier as 6' on the 'U' and 5'6" on the 'N'.  The frames would likely be a bit heavier on the 'U' and, of course, it had splashers as well.

Nice engines and good to see the film of 31806.

Incidentally, the 'U1' was only 1ton 1cwt heavier than the 'N1'!

Best wishes.

John
'Why does the Disney Castle work so well?  Because it borrows from reality without ever slipping into it.'

(Acknowledgement: John Goodall Esq, Architectural Editor, 'Country Life'.)

The Table-Top Railway is an attempt to create, in British 'N' gauge,  a 'semi-scenic' railway in the old-fashioned style, reminiscent of the layouts of the 1920s to the 1950s.

Offline Newportnobby

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Re: 31806 on the main line
« Reply #8 on: April 22, 2018, 07:00:07 PM »
Thanks, John.
The book obviously gives the weight of the N loco only and the U as a total.

Online crewearpley40

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Re: 31806 on the main line
« Reply #9 on: July 05, 2018, 02:32:05 PM »
worth a look at the youtube clip

SR U Class 31806 On Main Line Test Run 5Z42 Storms Through Upwey On Friday 13th April 2018

Offline Newportnobby

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Re: 31806 on the main line
« Reply #10 on: July 05, 2018, 02:49:49 PM »

Online crewearpley40

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Re: 31806 on the main line
« Reply #11 on: July 05, 2018, 03:00:13 PM »
thats the one


bit slow today, after being woken badly at 2 am

interesting and nostalgic

 

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