Subject:
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Re: Problem with auto-steering mechanism.
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 25 Oct 2002 20:34:28 GMT
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Original-From:
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Steve Baker <sjbaker1@airmail.net/StopSpam/>
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Viewed:
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2149 times
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Steve Hassenplug wrote:
> In lugnet.robotics, Steve Baker <sjbaker1@airmail.net> writes:
>
> > > I hope it's not some 'iffy' deal with subtly adjusting the friction
> >
> > in the drive versus the friction of the turntable - but I suspect it
> > might be.
>
>
> I find it hard to believe some 'iffy' condition would be required for a
> mass-producted childs toy. (so you hope)
Yeah - exactly.
> I have two suggestions.
> 1) Limit the rotation of the turntable to 180 degrees. (or 180 each
> direction) That should keep it from getting stuck when it gets in 'bad air'
Limiting the rotation like that would remove the very feature of this
mechanism that I need - the ability to escape (eventually) from any kind
of corner.
> 2) Somewhere I saw a post where they made a limited slip differential. It
> was something like this:
>
> Take a piece of Technic Ribbed Hose ( http://www.peeron.com/inv/parts/78 )
> cut it to one stud long (I cringe saying 'cut') and slip it in the
> differential before sliding the axles in place.
>
> I'm not sure if it will fit, but that would make it harder for the wheels to
> turn in different directions, than to go straight.
That might work - but it comes into the catagory of 'iffy' friction
adjustment! I'll give it a try.
---------------------------- Steve Baker -------------------------
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Message has 1 Reply:
 | | Re: Problem with auto-steering mechanism.
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| (...) I made a flimsy mini-rover version of Ben Jackson's rover a while back. Note the use of iffy friction in the rear by barely inserting an axle into a micromotor pulley: (URL) front wheels are offset from the vehicle's center line to counter the (...) (24 years ago, 27-Oct-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: Problem with auto-steering mechanism.
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| (...) I find it hard to believe some 'iffy' condition would be required for a mass-producted childs toy. (so you hope) I have two suggestions. 1) Limit the rotation of the turntable to 180 degrees. (or 180 each direction) That should keep it from (...) (24 years ago, 25-Oct-02, to lugnet.robotics)
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