Subject:
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Re: Second Hand (Re: Original Clock Design)
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 13 Dec 2000 22:00:50 GMT
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Viewed:
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583 times
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Yep, I see what you mean. You're already pushing the limits without the extra
friction of th second hand.
Also, attaching a hand to one end of the diff block wouldn't be trivial...
And I think I may have got the spelling on Jennifer's name wrong ... sorry,
Jen!
Regards,
ROSCO
In lugnet.technic, Amnon Silverstein writes:
> I was thinking the same thing when I saw Issac Merkle's two-axles through a
> turntable. The second hand would have to be run off of the differential
> cage, because the minutes would be hard to sync since they would be advanced
> depending on what hour it is if they ran off of the cage. The seconds will
> advance, but it doesn't matter very much. The seconds would need to go
> through a chain of gears, and any friction on the second hand ends up being
> very expensive on the power. I think a nice looking setup could be
> engineered, but the power problem would be the hard part.
>
> In lugnet.technic, Ross Crawford writes:
> > That looks great, Amnon! You may also be able to get a second hand, using
> > the "diff thru the large turntable" technique. Check out Jennifer Clarke's
> > excavator for the details. Might look a bit cludgy, though...
> >
> > http://www.telepresence.strath.ac.uk/jen/lego/
> >
> > Regards,
> >
> > ROSCO
> >
> >
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Message is in Reply To:
 | | Second Hand (Re: Original Clock Design)
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| I was thinking the same thing when I saw Issac Merkle's two-axles through a turntable. The second hand would have to be run off of the differential cage, because the minutes would be hard to sync since they would be advanced depending on what hour (...) (24 years ago, 13-Dec-00, to lugnet.technic)
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