Subject:
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Re: Canadian National SD40-2 Diesel Engine V2
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 9 Oct 2002 20:15:17 GMT
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Viewed:
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2369 times
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"John" <John@TCLTC.org> wrote in message news:H3q8IE.Fus@lugnet.com...
> > In lugnet.trains, Dean Husby writes:
> > > "John" <John@TCLTC.org> wrote in message news:H3pzx6.F2B@lugnet.com...
>
> > > My only nit (aside from the usual 8 wide ranting;) is that you call it • an
> > > "SD"(for "Special Duty") and use a 4 wheel truck configuration (SDs • always
> > > have 6 wheel trucks). You could easily call it a GP (General Purpose) • which
> > > used 4 wheel trucks and be more accurate in that respect.
>
> > Really? Belive it or not I'm not a huge train buff. Not to the detail • some
> > of you guys know anyway.
> > So a general purpose is exactly the same design just two wheel sets less? • I
> > have a wheelset that has a floating middle wheel but found it looked • better
> > with all motors. (It can also pull 10 cars at power level 3). I the LEGO
> > motors permited I would have added the third wheel.
>
> Not *exactly* (the main difference would be number of fans on the top), • but
> close enough. Even *with* the "incorrect" number of fans (which is not to • say
> that that particular configuration could have existed with modifications, • which
> happened all of the time), a trainhead would look at your MOC and think
> "modified GP40" rather than a modified SD-40)
>
> The SDs had long porches on front and back (because the SDs had longer • frames
> than the GPs to accommodate the longer 6 wheeled trucks), so if you moved • your
> front motor ahead 2 studs and added another wheelset *behind* it, and • simply
> added another wheelset behind your back motor, you'd have the wheel • arrangement
> about right for an SD. But since you already have short porches on front • and
> back, it says "Geep" (GP) all the more.
So what is the fan configuration for a GP?
Dean
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Message has 2 Replies:
 | | Re: Canadian National SD40-2 Diesel Engine V2
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| (...) It depends. Which model? There have been dozens of models and dozens of configurations. If you really want to know, there have been published drawings of many models, but it may require purchasing back issues of Model Railroader or whatever. (...) (24 years ago, 10-Oct-02, to lugnet.trains)
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Message is in Reply To:
| | Re: Canadian National SD40-2 Diesel Engine V2
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| (...) Not *exactly* (the main difference would be number of fans on the top), but close enough. Even *with* the "incorrect" number of fans (which is not to say that that particular configuration could have existed with modifications, which happened (...) (24 years ago, 9-Oct-02, to lugnet.trains)
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