Subject:
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Standardizing Car Designs, etc.
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Tue, 1 May 2001 20:18:00 GMT
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Viewed:
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494 times
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Hey folks, (esp. Iain...)
So, we're talking about doing some nifty automated stuff at Train1.
Cool. I think we're going to need to talk about some common
standards if we want to be able to interoperate, though:
1) Freight boxes: Okay, we talked about this: 4x8x4 bricks, the
standard Lego freight container. Don't assume that there are sides
to it, though!
2) Freight cars: I saw Calum's prototype, and it seems to me that
a robot is going to have trouble landing boxes precisely enough for
that car - the positions of the crates are fine, but we might have
to work on lowering the sides and making more error-firendly cars.
3) Gravel/Whatever hopper cars: Side tip or bottom-unloading? I
don't care; I just put stuff in the cars. Someone care to step up
to the task of designing a standard hopper car?
4) Car coding: Do we want to put labels/plates on the sides of the
interactive car types so that our automation can discern an engine
from, say, a freight car or hopper? Wouldn't require too much work,
but I want to know if it's been done before. Mean time to failure
is important here - it'd be nice to have a dependable solution that
would only fail once in a hundred cars or less, and adapt to light
conditions, etc.
5) RCX commo protocols: I'm bringing RCXes to the show, and they're
going to be talking to one another a lot. I can do one of three
things: Put them all in a cave or a box so that they can
intercommunicate without interference; I can use a robust multi-
message transport layer (and mess up anyone else...) or those of us
who are bringing multiple RCXes can chose messages which don't
interfere. So who is bringing RCXes?
Jeff E
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Message has 3 Replies:
 | | Re: Standardizing Car Designs, etc.
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| "Jeff Elliott" <jeffe@telepres.com> wrote in message news:3AEF19F8.D0A7F6...res.com... (...) Then I give up. How am I suposed to reliably grip a container that I can't get a hold of? Use forks under it?? (...) With an accurate locating wedge, I can (...) (24 years ago, 2-May-01, to lugnet.org.ca.rtltoronto)
| | | Re: Standardizing Car Designs, etc.
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| (...) Yes. I've used to build them completely with 2x4 bricks. I am now using a body of 2x4 bricks but a bottom to fit the Lego design (ie, will sit into cradle with the feet) In fact, this is one way non Train people might be able to contribute, is (...) (24 years ago, 2-May-01, to lugnet.org.ca.rtltoronto)
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