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In lugnet.technic, Philippe Hurbain wrote:
> Very impressive! I don't know what is the most amazing: the odometer
> itself or the extensive write-up ;o)
Thanks! Both were fun ;)
> Would you have more details (MLCad?) of the gearing/ratcheting between dials?
I don't yet, though I can easily do that. The 4-spoked technic joiners, when
turned, rotate the 16T gear at the opposite end of the dial. That gear then
connects to two idler gears which drive a 40T gear; that 40T gear then connects
through the framework to the next dial.
The ratchet mechanism is simply a rack gear on a loose technic pin that
interfaces with the 40T gear to ensure that it only rotates in one direction.
I'll see what I can do about modeling it.
> And BTW, did you see this:
I had not seen that. It's ... it's ... it's gorgeous! I'm stunned. I've been
staring at it all morning, dissecting it, and ithcing to get home and build a
version. I think this would work better than my cog-and-pin method, and I'm
dying to try and implement this right away. I love the aesthetics of its
functioning.
Thanks for the link! I expected a longer downtime before Rev. 2.0, but I don't
think I can wait.
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Message has 3 Replies:
 | | Re: LEGOdometer
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| (...) It would certainly help my slow mind ;o) Though I think I got it through your explainations. (...) Very elegant and parts savvy, but I am not sure it would provide a design as compact as yours. (...) Sorry to disturb you ;o) Philo (16 years ago, 6-Aug-08, to lugnet.technic, lugnet.trains)
| | | Re: LEGOdometer
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| (...) I'd love to see what you come up with! however I fear Philo may be right about it being too large. Your mechanism is shorter at 3 studs (2 cogs and a support) my chain precession drive is 4 studs long. Also the precession mechanism needs 9 (...) (16 years ago, 9-Aug-08, to lugnet.technic, lugnet.trains)
| | | Re: LEGOdometer
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| (...) Even with that explaination, I just can't seem to get the spacing and the gearing right between the dials. If you have the time, please, I would like a visual aid of the between walls and the between-dials gearing. When I first saw this, I (...) (14 years ago, 26-Mar-10, to lugnet.technic, lugnet.trains)
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Message is in Reply To:
| | Re: LEGOdometer
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| Very impressive! I don't know what is the most amazing: the odometer itself or the extensive write-up ;o) Would you have more details (MLCad?) of the gearing/ratcheting between dials? And BTW, did you see this: (URL) (16 years ago, 5-Aug-08, to lugnet.technic, lugnet.trains)
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