2-4-6-8-10-12

I'm still working of just keeping it upright and not crashing into the ceiling of tunnels and bridges!
 
Russ Bellinis said:
I suspect that one reason that tender wheels are not counted is that the tender was detachable from the locomotive. I don't know if it happened or not, but conceivably a locomotive might use a different type of tender so that if the locomotive used the tender wheels for classification and then changed tenders it's classification would change. In the case of the beast that Mountain Man linked to, since the last set of drivers is actually on the tender, the tender would not be detachable therefore the tender wheels should be counted. Can you imagine trying to get that thing around a curve?
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Right!!! The engine was the engine.. and classified as such... The tenders were "add-ons"
 
Additions are used for things like Mallet engines - 4-6-2+2-6-4, and other specifics may use letters, like adding "T" for tank engine.
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A Mallet would be somethign like 2-6-6-4. A 4-6-2+2-6-4 is a Garratt.

As noted, the Whyte system makes a LOT of assumptions about a steam engine's design, and it's easy to break. The Eurpean system not only counts axles but dstinguishes powered and unpowered - a 4-6-2 becomes a 2C1. The Germans, at least, often bother to list tender wheels as well, though separately.
 
Trains magazine tried to adopt a reformed Whyte system a while back that would give extra information. I think -(6)- indicated 6 drivers that swivelled. Someone seemed to think it important to know if the front set was on a pivot or securely fastened to the main fame (e.g. PRR T1). I don't know if they came up with anything for unpowered axles in the middle (I think only Beyer Garratts had them). Some people also make a fuss if what looks like a 4-wheel rear truck is actualy 2 wheels on the frame and 2 on a swivel (2-6-2-2)
 
Well, since the 2-4-6-8-10-12 isn't actually a real locomotive, it's much ado about nothing. :cool:

It would make an interesting model, though.
 
Brutus the barber has been quoted here but I don't see his original post. Am I missing something.
Les
 
MasonJar said:
Interesting proposal... even if it's a photoshop job. Isn't it a 2-4-6-8+10 though? "+10" for the booster (i.e. powered wheels on the tender) and no "12" since unpowered axels on the tender don't count? :confused: ;) :D
Andrew
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In order to make sure this horse is good and beaten, the 12 tender wheels were a "steam turbine powered 6 axle trailing truck booster" according to the fanciful description on the site that Brutus linked.

My opinion is that tender boosters don't count! :p:mrgreen:

Matt
 
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