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In lugnet.events.brickfest, Scott Arthur writes:
> In lugnet.events.brickfest, Larry Pieniazek writes:
> > In lugnet.trains, Scott Arthur writes:
> > > In lugnet.trains, Troy Cefaratti writes:
> > > > There was much discussion between myself and those sitting around me about
> > > > the possible changes made to the metroliner. The important debate centered
> > > > around wether Brad had said there were "minor detail" or "minor decal"
> > > > changes. It was never confirmed either way what was actually said
> > > > unfortunately.
> > > >
> > > > Fortunately though, Chris Leach actually had his metroliner instruction book
> > > > on hand. We went through it and did not find any pieces that stood out as
> > > > being out of production.
> > >
> > > Does this include the black electric pick-up on the roof?
> >
> > This incorrectly named and spelled piece ("Train catenary holder" but I
> > can't remember the exact incorrect spelling used)
>
> Strange name in my view as I see it as a electrical conductor rather than a
> holder on anything? The "Catenary" does make sense however - It is the
> shape of a curve which hanging cables form - well at least it is the shape
> of suspension bridge cables (often confused with the plain old parabola).
Ahh. Its a hyperbolic function! See:
http://www.britannica.com/seo/c/catenary/
and, almost interesting:
http://www.sunsite.ubc.ca/LivingMathematics/V001N01/UBCExamples/Animation/catenary.html
Scott A
>
> Scott A
>
> > was in production for ResQ
> > sets (where it is used as a light bar) so that means as recently as 1999, or
> > maybe even 2000, right?
> >
> > That's probably not the hardest one to resurface although offhand I can't
> > think of which one would be.
> >
> > ++Lar
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