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I finally rebuilt Bob Kojimas rolling
ball clock with RCX control (and other minor modifications)
Description of these modifications, program, photos, videos are
here
Special thanks to Bob for the time spent to LDraw his wonderful model!
Philo
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Message has 4 Replies: ![](/news/x.gif) | | Re: Rolling ball clock revisited
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| i have been waiting to see if some one would put my LDraw files to go use. i see many good modifications too! i will have to go home and try some of these modifications to my clock. i especially like the fix to prevent 2 balls form lifting, the ball (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
| ![](/news/x.gif) | | Re: Rolling ball clock revisited
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| (...) I love it! Very nicely done! It was interesting to read this bit off your website-- " The problem should have been very simple: each minute, start the elevator until a ball is detected by one sensor. Unfortunately, my first try over a several (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics, FTX)
| ![](/news/x.gif) | | Re: Rolling ball clock revisited
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| "Philippe Hurbain" <philohome@free.fr> wrote in message news:I8CKBA.152q@lugnet.com... (...) Awesome work, both of you! As for the mechanism occasionally not picking up a ball: Instead of having the bucket grab a ball from the bin, why not have a (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
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15 Messages in This Thread: ![You are here](/news/here.gif) ![](/news/246.gif) ![Re: Rolling ball clock revisited -Bob Kojima (7-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Rolling ball clock revisited -Philippe Hurbain (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Rolling ball clock revisited -David Koudys (7-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![RCX has a fast clock, was Re: Rolling ball clock revisited -Philippe Hurbain (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: RCX has a fast clock, was Re: Rolling ball clock revisited -Philippe Hurbain (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Rolling ball clock revisited -lego-robotics@crynwr.com (Matt Lawrence) (7-Dec-04 to lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: Rolling ball clock revisited -Rob Hendrix (7-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Rolling ball clock revisited -David Eaton (7-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: Rolling ball clock revisited -Rob Hendrix (7-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: Rolling ball clock revisited -Philippe Hurbain (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![The Great Ball Contraption (was Re: Rolling ball clock revisited) -Steve Hassenplug (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: The Great Ball Contraption (was Re: Rolling ball clock revisited) -Brian Davis (8-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: The Great Ball Contraption (was Re: Rolling ball clock revisited) -Philippe Hurbain (9-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: The Great Ball Contraption (was Re: Rolling ball clock revisited) -Steve Hassenplug (9-Dec-04 to lugnet.technic, lugnet.robotics)](/news/x.gif)
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