Subject:
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Re: APT tilts thru curves in Real-Build ABS form
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Newsgroups:
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lugnet.trains
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Date:
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Sat, 21 Jul 2001 01:42:09 GMT
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Viewed:
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2836 times
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In lugnet.trains, James Mathis writes:
> In lugnet.trains, Iain Hendry writes:
> > "James Mathis" <thakius@nmt.edu> wrote
> > > 1) The train cars do indeed tilt through curves. The pendular
> > > axis of rotation is just below the roof-line; thus, the car bodies
> > > swing "out" rather than tip "in". I'm not sure that is the best
> > > way to describe this motion???
> >
> > That seems to make sense. CN's original "Turbo" exhibited this...
>
> I'm actually very ignorant as to how the real APT tilts...
> > That's really amazing! That's fantastic you're able to fit
> > the hardware into such a compact space.
>
> The mechanism is really quite simple...
Like many things - it's simple once you know how. It's the figuring
it out the first time and/or having the original idea that is the
difficult/challenging/interesting part.
> > Is that the appr. maximum tilt angle achievable? I'm very
> > intrigued by your pendular mechanism. :)
<snip>
> > Again, James, you amaze me! Thanks for sharing your brilliant work.
I must echo this sentiment - this is amazing work. While typical LEGO
creations are of some interest, making something new that's never been
done before - particularly to solve a "problem" of some kind (like this) -
is what _really_ interests me! Hence my first and only LEGO arches,
http://216.18.91.29/SRC/LEGO/Arches and being the first (AFAIK) to
make monorail spirals. This kind of innovation doesn't seem to have much
impact on "the masses" though. It's a bit disappointing when others don't
seem to share ones enthusiasm for something when you think they would.
I applaud your creativity and am interested in Technic-al engineering
details. :-) By the way, the alternate mono-rail car attachment
method - am I remembering that correctly as yours too?
SRC
LUGNet#765
http://216.18.91.29/SRC
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Message has 1 Reply:
 | | Re: APT tilts thru curves in Real-Build ABS form
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| (...) You are so correct. I have thought of how to achieve this pendular effect ever since Eric Brok showcased a working solution with modified Metroliner. So, that's been a few years! Simple: Well, even sometimes the realized solution is not (...) (25 years ago, 23-Jul-01, to lugnet.trains)
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Message is in Reply To:
| | Re: APT tilts thru curves in Real-Build ABS form
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| (...) I'm actually very ignorant as to how the real APT tilts. What little I do know makes me think that the pendular axis is very low; maybe just above the bogie near the floor? I think the APT used a very active forced-tilt with some kind of (...) (25 years ago, 25-Jun-01, to lugnet.trains)
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