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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Fri, 21 Jan 2005 19:24:07 GMT
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Viewed:
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5860 times
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> In lugnet.robotics, Steve Lane wrote:
> > In lugnet.robotics, Steve Hassenplug wrote:
> >
> > > I'm not exactly sure how many "teeth" = 1 stud, but I know it's not a whole
> > > number.
> >
> > It's exactly 2.5. 10 teeth on a gear rack, divided by 4.
> >
> > Steve
>
> I'm using two upside-down 1x16 TECHNIC beams to straddle 24-tooth gears on each
> end (see my great ASCII art below, top-down view, not to scale). I might not
> even need tension in the chain at all; the tread links slide on the flat bottom
> part of the beams, and that seems to work fine. I haven't yet built a support
> structure to test the chain for real.
Well, my lift for loading the train car uses both chain links, and tracks. Each
track has a 1x4 tile on it, and the balls roll up.
http://www.brickshelf.com/gallery/Hassenplug/GBC/GBC2/p1160046.jpg
That's close to what John did on his roller coaster:
http://www.brickshelf.com/gallery/Hassenplug/GBC/05johnrollercoaster.jpg
This red module: http://www.brickshelf.com/gallery/Hassenplug/GBC/10stevechainlift.jpg
uses a pair of axle joiners: http://www.peeron.com/inv/parts/6536 with some #3
axles. Brian came up with this, and it works very well.
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Message is in Reply To:
 | | Re: The Great Ball Contraption
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| (...) I'm using two upside-down 1x16 TECHNIC beams to straddle 24-tooth gears on each end (see my great ASCII art below, top-down view, not to scale). I might not even need tension in the chain at all; the tread links slide on the flat bottom part (...) (20 years ago, 21-Jan-05, to lugnet.robotics, FTX)
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