Subject:
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Re: The Great Ball Contraption
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 10 Jan 2005 00:53:03 GMT
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Reply-To:
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Geoffrey Hyde <gdothyde@bigponddo&Spamless&tnetdotau>
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6757 times
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"Brian Davis" <brdavis@iusb.edu> wrote in message
news:IA02Dv.1DH7@lugnet.com...
> Use your imagination! One of the reasons Steve included my (huge, poorly
> spelled, not-yet-ready-for-primetime) list was to show the options that
> just a
> few people could come up with... and there's several of the lift
> mechanisms in
> the video that are not in my list*, so long as it is, it is hardly
> complete!
Hmm I must have missed that list post. I am kind of working on a
contraption, but it's main aim is to sort LEGO bricks, which are a lot less
likely to slide than soccer balls are. :) It may require some form of
Mindstorms help, along with a visual recognition system, but I am going to
see if I can get it to sort mechanically or with sensors first. It should
be fairly useful for sorting out basic brick sizes from one another, at any
rate, if I can get a workable prototype built.
> Many of us used chain links and tread links to form some sort of lift or
> conveyor, but no two people came up with the same system. The downside of
> this
> method is that LEGO chain links (& especially tread links) tend to be
> uncommon.
> At the other extreme, I've built one module that lifts balls at around 2-3
> bps,
> but uses only system bricks and slopes with the exception of 1 technic
> beam, an
> axle, a technic plate or two, & the gears used to drive the system.
Yes, Rebelscum has a very interesting set shown: 7258 Wookiee Attack. It's
an Episode III set, so there is no telling what will happen if the sets
contain what the pic shows of these sets. Technic Link Tread*, if I am
reading that preview pic right. I imagine it would be popular if that's
really the case - I know I am going to try and get a lot of them myself if
it really does have the Technic Link Tread. ;)
> For other ideas, check out SMART's Crate Contraption... or do a
> Brickshelf
> search on the word "marble" (the Rolling Ball Clock is an example here)...
> or do
> a Google search for "rolling ball machines" or sculptures. There is a HUGE
> amount of inspiration out there for this type of thing.
Wonderful, if I can find some spare time in between my current project and
playing a favourite old game of mine, I might just do that. ;-)
> *about that list. I really can spell better than that.
*About the Technic Link Tread, that's the Bricklink catalog reference for
it.
Cheers ...
Geoffrey Hyde
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Message has 1 Reply:
Message is in Reply To:
![](/news/x.gif) | | Re: The Great Ball Contraption
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| (...) As I recall (I was not present, but talked with Steve about it) that module had problems with jamming - I think what you see in the video is a single ball partially jamming the mechanism and being kicked out hard. That particular module used (...) (19 years ago, 8-Jan-05, to lugnet.robotics)
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94 Messages in This Thread: ![The Great Ball Contraption -Steve Hassenplug (7-Jan-05 to lugnet.robotics, lugnet.technic, lugnet.trains, lugnet.events.brickfest, lugnet.events, lugnet.announce)](/news/x.gif) ![](/news/246.gif) ![Re: The Great Ball Contraption -David Koudys (7-Jan-05 to lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: The Great Ball Contraption -Steve Hassenplug (7-Jan-05 to lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: The Great Ball Contraption -David Koudys (7-Jan-05 to lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: The Great Ball Contraption -Rob Antonishen (7-Jan-05 to lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: The Great Ball Contraption -Brian Davis (7-Jan-05 to lugnet.robotics)](/news/x.gif)
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