Subject:
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Re: Clock strikes hours
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 4 Dec 2000 09:01:37 GMT
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Viewed:
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910 times
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Amnon Silverstein wrote:
>
> I came up with a Lego implementation of a clock striking device that strikes
> a bell to indicate the hour. At 1:00, it rings the bell once, at 2:00 it
> rings the bell twice, etc. It is powered by a weight, and it will play the
> sequence of hours over and over as long as it has enough string. It isn't
> connected to my clock yet, but I am working on it. It has a trigger that
> needs to be tripped on the hour, and it does the rest. I have a photo
> http://www.best.com/~amnon/Homepage/Games/LegoClocks/Striker.jpg
> and an AVI movie of it in action
> http://www.best.com/~amnon/Homepage/Games/LegoClocks/Striker.avi
> at my clock web site:
> http://www.best.com/~amnon/Homepage/Games/LegoClocks/
>
> The secret to making it work was to use Lego conveyor links mixed with
> regular chain links to rig up a counting belt. You can use Lego links like a
> punch-tape to sequence complicated automata. If you had several sprockets
> with several link-belts, you could play chimes in a musical order, and stuff
> like that.
>
> -Amnon
Sounds good except that you need a lot of links and last time I looked
links are hard to fine (where I live anyway)
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Message has 1 Reply:
 | | Chain links (Re: Clock strikes hours)
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| Links are a Pitsco-Dacta item, but I don't know if they ship to Australia. They are really useful for solving tricky problems, and having two different types is handy. They are expensive, however. Sometimes I use them where I need a little more (...) (24 years ago, 4-Dec-00, to lugnet.technic)
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Message is in Reply To:
| | Clock strikes hours
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| I came up with a Lego implementation of a clock striking device that strikes a bell to indicate the hour. At 1:00, it rings the bell once, at 2:00 it rings the bell twice, etc. It is powered by a weight, and it will play the sequence of hours over (...) (24 years ago, 4-Dec-00, to lugnet.technic)
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