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Graham-Jilly
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Joined: 04 Mar 2007
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Location: Brisbane Qld Australia
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 Posted: Sun May 20, 2007 5:28 am Post subject: Loco Clasification |
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Ok here is a question for you loco experts as I cannot find any Information.
I would like to know what the 0-4-0 or 0-6-0 or other combinations of numbers mean.
cheers G-J
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steamyman
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Joined: 19 Feb 2007
Posts: 3274
Location: Australia.
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| Posted: Sun May 20, 2007 5:37 am Post subject: Re: Loco Clasification |
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| Graham-Jilly wrote: | Ok here is a question for you loco experts as I cannot find any Information.
I would like to know what the 0-4-0 or 0-6-0 or other combinations of numbers mean.
cheers G-J |
easy Graham. 
0 = no front driving wheels
6 = 6 driving wheels (3 each side)
0 = no trailing wheels
hope this helps mate! |
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Graham-Jilly
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MTA
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Location: West Sussex
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| Posted: Sun May 20, 2007 8:45 am Post subject: |
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There are loads of wheel configurations, and most differ from country to country. Here's a couple of different examples:
2-6-0 = Leading pony truck, 6 driving (or coupled) wheels, no trailing wheels. This wheel config is commonly referred to as a 'Mogul'
4-6-2 = Leading bogie, 6 driving (or coupled) wheels, trailing pony truck. This wheel config is known as a 'Pacific'.
And of course there are usually one or two letters after the wheel config:
ST = Saddle Tank
T = Tank
WT = Well Tank
Tender engines don't have letters at the ends of their wheel configs 
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mc_mc
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MTA
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| Posted: Sun May 20, 2007 10:30 am Post subject: |
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Wikipedia, where would we be without you  I think there's only ever been one foray into European wheel arrangements, when O.V.S. Bulleid brought out the 'Spamcans', they were numbered 21C... I think it works like this:
2 = number of axles at the front
1 = number of axles at the rear of driving wheels
C = driving wheels, so a 0-4-0 for example would be a 00B
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flywheel61
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Joined: 12 Nov 2006
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| Posted: Sun May 20, 2007 10:34 am Post subject: |
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Thanks mc, interesting article, that really set it out. I always wondered about Beyer Garrett engines.
Cheers 
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Graham-Jilly
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| Posted: Sun May 20, 2007 11:38 am Post subject: |
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Thanks every one where would we be without this forum
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Titan
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Joined: 19 Jul 2006
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Location: Derby
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| Posted: Mon May 21, 2007 10:26 pm Post subject: |
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| MTA wrote: |
Tender engines don't have letters at the ends of their wheel configs |
Some do !
Titan is an 0-4-0TT (Tank Tender)
Not sure if there were any standard gauge TT's, its more of a narrow gauge thing!!!
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James
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Location: Nr. Gainsborough, Lincolnshire, England.
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| Posted: Mon May 21, 2007 10:31 pm Post subject: |
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Titan is god in Mamod loco form!
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tree ted
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Location: North Wales
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| Posted: Sat May 26, 2007 10:31 am Post subject: |
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| MTA wrote: |
Wikipedia, where would we be without you I think there's only ever been one foray into European wheel arrangements, when O.V.S. Bulleid brought out the 'Spamcans', they were numbered 21C... I think it works like this:
2 = number of axles at the front
1 = number of axles at the rear of driving wheels
C = driving wheels, so a 0-4-0 for example would be a 00B |
Moden stuff kind of works on that theory.
Class 37's 2 boggies 3 axles on each boggie all with a traction motor so they are classified as co-co
Class 40's 2 boggies 1 pony axle and 3 motored axels so 1co-co1
class 31's 2 boggies 3 axles on each boggie but only the outer 2 have motors so they are a1a-a1a.
class 20's 2 boggies but only 2 axles each with a motor so they are bo-bo's.
euro tunnel's shuttle locos are 3 boggied with 2 powred axle's on each boggie so bo-bo-bo.
Now for the funny one Our Metro-vic class 28 has a 2 boggies.
One boggie has 3 powerd axles so thats a co. The other has 2 powerd axles, so thats a bo
so the loco is classed as a co-bo. Hence the reason for the name in the thomas the tank books.
Garretts's count as having to seperate power boggies so thats why they have the + in the middle.
eg 0-6-0+0-6-0 |
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