Subject:
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Re: Loading cargo from and to train electrically
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Newsgroups:
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lugnet.robotics, lugnet.trains
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Date:
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Mon, 9 Jan 2006 20:16:55 GMT
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Viewed:
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643 times
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In lugnet.robotics, Steve Lane wrote:
> In lugnet.robotics, Elroy Davis wrote:
> > In lugnet.announce, Edmund Nussbaum wrote:
> > > Hi,
> > > this machinery can load cargo onto a train waggon and
> > > also load cargo off, too. See
> > >
> > > http://www.nussbaums.homepage.t-online.de/trldunld.html
> > I've been toying with this sort of idea in my head for a couple of months. I'm
> > hung up on the idea of making the pushers look like cargo loaders of some sort
> > though (fork-lifts maybe?).
> >
> > My thinking was to build two of these and set them up on opposite sides of a
> > train layout. An RCX would somehow stop a train, then check to see if the
> > waggon was loaded. If not, it would be loaded, then continue on to the next
> > station, where it could be unloaded, thereby setting up automated cargo delivery
> > for the entire layout.
> I too had thought about something similar. I had got much past the specs though.
> I wanted a system that only used one rcx per station. One channel would control
> the train leaving me with only two remaining.
>
> I'd never thought of a system which didn't somehow lock the containers too the
> wagon, therefore my system was to have magnets on the containers. An overhead
> track would hold multiple containers, which would slide over the train one by
> one. Once aligned the container would be lowered, A mechanism would have to be
> incorporated to push apart the magnets when the container had been lowered
> enough. The container would then self align onto ramps built onto the wagon.
>
> Steve
I played a bit with stopping a train at a station. I had a loop of track
powered off from a normal speed regulator. One section of track next to the
stop was isolated elecrically by putting tape over the rails before connecting
them. I powered this single section of track off from the RCX, which would
allow me to stop and start it.
As you mentioned, this leaves two motor outputs. I was thinking of using one to
power a forklift-shaped pusher to load the train, and another to unload. I
hadn't really though much about the cargo slipping off the waggon on other parts
of the layout though. Using tiles, I can see how the cargo might slide off the
car if it takes a corner too quickly. I might have to play with that a bit.
-Elroy
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