Subject:
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Re: Lego orrery (mechanical solar system)
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 29 Apr 2003 06:11:41 GMT
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Viewed:
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1883 times
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groovy
good job
i like the earth
maybe you could try to use one of the lego clock hands mechanisms
you know the coaxial mechanism
to hide the moon gearing under the earth globe
sorry i'm advicing but that is because your moc inspires me much
br
pixel
"Thomas Johnson" <aklego@mac.com> wrote in message news:HE2LDp.5xJ@lugnet.com...
> Greeting all,
>
> I've been lurking here for years and finally decided that I'd built
> something worth sharing:
>
> http://homepage.mac.com/aklego
>
> This orrery was made to demonstrate why daylight varries so much here in
> Alaska. The
> inclination of the earth's axis as well rotational directions are
> correct--size, distance, and orbit
> periods are not.
>
> I've a 9 planet version w/reasonably correct periods in the works but it is
> likely to stay there for
> some time.
>
> Cheers,
>
> Tom
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Message has 1 Reply:
 | | Re: Lego orrery (mechanical solar system)
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| (...) Apologies are not necessary--I agree that the moon mechanism is unsightly and I am looking for ways to clean it up for the nine planet version. Unfortunately (for orrery makers) the moon's orbit and earth's axis of rotation are not coaxial. (...) (22 years ago, 29-Apr-03, to lugnet.technic)
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Message is in Reply To:
| | Lego orrery (mechanical solar system)
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| Greeting all, I've been lurking here for years and finally decided that I'd built something worth sharing: (URL) orrery was made to demonstrate why daylight varries so much here in Alaska. The inclination of the earth's axis as well rotational (...) (22 years ago, 28-Apr-03, to lugnet.technic) !
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