Subject:
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Re: Vehicle with square wheels
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 12 Dec 2005 17:50:25 GMT
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Viewed:
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6118 times
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In lugnet.technic, Jordan Bradford wrote:
> Fantastic work. I hadn't even started my attempt. I like your using the
> battery box as the weight -- it's very simple and compact.
>
> I noticed from the video that it tends to veer left. Are the wheels losing
> traction when they're fully flat?
I think the veer left comes from gear backlash. Front and rear wheels are not
maintained strictly 22.5° apart and the way it works, this introduces left/right
dissymetry. My first attempt used 3 z24 gears with less backlash but of couse I
could only offset front and rear by 15° or 30° and it didn't work.
Philo
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Message has 1 Reply:
 | | Re: Vehicle with square wheels
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| (...) I built one similar to yours last night (I put gears on both sides as an experiment). You're correct that it's the gear backlash that causes the wheels to not quite turn at the same time. Pushing the wheels down manually with your finger is a (...) (19 years ago, 14-Dec-05, to lugnet.technic)
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Message is in Reply To:
| | Re: Vehicle with square wheels
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| (...) Fantastic work. I hadn't even started my attempt. I like your using the battery box as the weight -- it's very simple and compact. I noticed from the video that it tends to veer left. Are the wheels losing traction when they're fully flat? (19 years ago, 12-Dec-05, to lugnet.technic, FTX)
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