Subject:
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Re: Casters
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 23 Aug 2000 12:46:21 GMT
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Viewed:
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782 times
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"Adrian Drake" <tremor@apk.net> writes:
>
> It might be thus: When the motors engage, there's some torque in the body
> that would tend to lift the nose of the vehicle up (think of a dragster, how
> it pops a wheelie under acceleration). Thus, when under acceleration, the
> front of the vehicle is lifted slightly, loosening up the friction in the
> caster joint and allowing it to swivel more easily.
Yes, that's my impression too.
From the pictures it seems that the caster joint is made
from a single plate with holes, which creates a lot of
friction because the axle cants(?) under weight. A better
design would be to use two plates at some distance.
Jürgen
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
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Message is in Reply To:
 | | Re: Casters
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| It might be thus: When the motors engage, there's some torque in the body that would tend to lift the nose of the vehicle up (think of a dragster, how it pops a wheelie under acceleration). Thus, when under acceleration, the front of the vehicle is (...) (24 years ago, 22-Aug-00, to lugnet.robotics)
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