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Once upon a time, Larry Pieniazek <lpien@ctp.IWANTNOSPAM.com> wrote:
> Steve Bliss wrote:
>
> > A) What's a rack railway?
>
> Well, duh. It's a railway with a rack. Seriously. :-)
:p
> More detail... these are sometimes also called "cog" railways. They are
> so called because in addition to the two weight bearing rails there is a
> central rack (linear toothed) that a powered cog on the power car
> engages. When the limits of adhesion are reached during the ascent
> (typically around 5% grade or so) the cog engages the rack and the cog
> powers the ascent. Similarly on descent, the cog takes the primary
> braking load
OK, 'cog railway' is a term I know. Thanks for straightening me out.
Seems like someone has done this in LEGO. Maybe if I followed trains
more closely, I'd remember who.
> > B) What're the details on the one in Houghton? Did they run it up the
> > side of the MEEM? Nah, then the ROTC's wouldn't have anything to
> > rappel...
>
> It's actually in Hancock, and it goes from the top of Quincy Hill down
> towards the Portage. It terminates several hundred feet lower (but not
> all the way down) at the lateral opening to the mine that the mining
> students use. I rode it as part of a mine tour.
Cool. Sounds like a "the yesterday that never was" sort of thing.
Steve
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Message is in Reply To:
 | | Re: New pics from LEGOLAND
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| (...) Well, duh. It's a railway with a rack. Seriously. :-) More detail... these are sometimes also called "cog" railways. They are so called because in addition to the two weight bearing rails there is a central rack (linear toothed) that a powered (...) (26 years ago, 9-Dec-98, to lugnet.general, lugnet.trains)
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