Subject:
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Re: A4 Class Locomotive teaser & Wheel count designations
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 28 May 1999 18:03:00 GMT
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Viewed:
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935 times
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In lugnet.trains, Simon Denscombe writes:
> Doug Glasnapp wrote:
> > Also, about the wheel count designations, I saw someone counting the
> > number of axles to designate the loco(2-3-1 if you counted this loco
> > that way) and i am used to the counting of the actual wheels to
> > designate things(such as 4-6-2). I do get my ideas from European model
> > catalogs and they count the wheels. Is counitng axles the American
> > way? or is there any standard way for the world?
>
> Well it's correct for steam locomotives and shunters (switchers)
> (counting the wheels) but there is a newer system for diesel and
> electric locomotives:
>
> Powered Axles are given letters A=1, B=2, etc.
> Unpowered axles are given numbers for each axle.
>
> For example the power car on the Metroliner would be 2-B or it could be
> 2-Bo - the 'o' stands for some sort of linking I forget what.
>
> Most common designations are Bo-Bo, Co-Co, then the stranger ones,
> 1-Co-Co-1 and 1-A-1 1-A-1
It actually depends on the country as to what system is used. Germany used a
number-letter-number designation for steam engines (2-c-1 would be a 4-6-2).
The US tends towards using a name for them (a Pacific)
the UK uses (4-6-2 or Pacific)
And Diesels here (at least untill 1984 or so) were -040-040's (or 060-060's)
(I won't go into the weird steam engines (like Sentinals or shays)
James Powell
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Message is in Reply To:
 | | Re: A4 Class Locomotive teaser & Wheel count designations
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| (...) Well it's correct for steam locomotives and shunters (switchers) (counting the wheels) but there is a newer system for diesel and electric locomotives: Powered Axles are given letters A=1, B=2, etc. Unpowered axles are given numbers for each (...) (25 years ago, 26-May-99, to lugnet.trains)
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