Subject:
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Re: Old Train Wheels Question
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 14 Dec 2001 04:17:58 GMT
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Viewed:
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380 times
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In lugnet.trains, Richard Marchetti writes:
> I have been up to something not very imaginative here: namely converting the
> Hogwart's push thingy into a kind of Thatcher Perkins push thingy. The
> Thatcher Perkins is (has always been) a push train, right?
The Lego one was push-only, yes. Though there is plenty of room to fit in a
4.5v motor from that era. If done correctly, it wouldn't look much
different from the outside.
> One of the things I'd like to know is if the black circular element on the
> front of the train is in fact merely an old style black train wheel, if it's
> not -- what is it?
>
> Hmmm, I may have been missing a small detail -- are there two kinds of small
> old train wheels? It looks like these black plastic pin wheels differ
> slightly from the red wheels I have with the metal pins -- and the thing on
> the front of the Thatcher Perkins looks like the red wheels I have except in
> black. What's the story there?
Those metal-axled wheels came in black as well. I have some from <set:162>.
> Also I am missing those unique arms on the wheels, does anybody have a cool
> design that replaces those unique elements? I have seen some technic
> elements that have given me ideas, but I am not clear on how to attach them
> to the wheels.
There are other solutions, but I have yet to see something as compact.
Someone else here can probably fish out pics of similar arrangements.
> Lastly, because I have no real knowledge of trains, do the large wheels in
> the back have to be three pairs of large wheels, or can there be two and
> even single pairs of large wheels towards the back of the engine.
Well, if you want it to actually represent a Thatcher Perkins then you'd
have to keep the correct number of wheels (without doing the research, I'm
going to go out on a limb and assume that Lego got the wheel arrangement
correct). But you could certainly change around the number of wheels and
have a potentially valid train design.
Quick wheel arrangement primer for US steam engines (I forget the name of
this system at the moment):
The number of wheels is represented with 3 numbers separated by dashes. The
first is the number of wheels in front of the drive wheels, (aka drivers).
The second is the number of drivers. The third is the number of wheels
behind the drivers. If there are no leading or trailing wheels, put a zero
in that slot. So the Thatcher Perkins is a 4-6-0. A 4-4-0 is a real
combination as well... called an "American" I believe. I'm no expert, so I
don't know if a 4-2-0 ever existed. But I can tell you that Duplo steam
locomotives have that arrangement, so you can always use that as a guide if
you don't care about representing a "real" engine.
--
Tony Hafner
www.hafhead.com
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Message has 3 Replies:
 | | Re: Old Train Wheels Question
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| (...) A 4-2-0 arrangement certainly existed - was commonly called the "Jervis" after it's inventor. There's a list of (American) steam loco wheel arrangements here (URL) (23 years ago, 14-Dec-01, to lugnet.trains)
| | | Re: Old Train Wheels Question
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| (...) Thanks, Tony. A 4-4-0 was what I had in mind because the Hogwart's train "as is" is too short a train for a 6-4-0 arrangement. BTW, I had no idea that "Thatcher Perkins" was the name of a real world train -- that's how little I know... -- (...) (23 years ago, 14-Dec-01, to lugnet.trains)
| | | Re: Old Train Wheels Question
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| From: Tony Hafner <hafhead@PANTSplanetquake.com> (...) the (...) a (...) the (...) it's (...) small (...) on (...) in (...) <set:162>. These were also in a few other sets. Another idea is to "kill" an old battery car (availible at LD, atl least in (...) (23 years ago, 15-Dec-01, to lugnet.trains)
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Message is in Reply To:
| | Old Train Wheels Question
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| Hey Y'all: I have been up to something not very imaginative here: namely converting the Hogwart's push thingy into a kind of Thatcher Perkins push thingy. The Thatcher Perkins is (has always been) a push train, right? One of the things I'd like to (...) (23 years ago, 14-Dec-01, to lugnet.trains)
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