Subject:
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Re: Animatronics anyone?
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 16 Apr 2001 22:20:22 GMT
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Original-From:
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Steve Baker <sjbaker1@airmail.netSPAMCAKE>
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Reply-To:
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sjbaker1@airmail.net#spamcake#
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Viewed:
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727 times
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Rebel Transcanner wrote:
>
> "Steve Baker" <lego-robotics@crynwr.com> wrote in message
> news:3AD91A97.C941EF2C@airmail.net...
>
> > I'm looking into the possiblity of building an animatronic version of • Tux - the Linux
> > Penguin.
>
> This is an *insanely* cute idea.
Yes - isn't it just!
> I supose the only thing I could suggest here is making your mechanism
> flexible, and allow it to "Fail". I mean to say... if you install some
> "springiness" between the gear drive and the "beam" installed in the
> particular limb to actuate it, you can prevent any damage to your mechanism
> (thus increasing reliability) by allowing the mechanism to absorb for any
> overdriving (the fabric might be resistant), or even allow a bit of
> interactivity between anyone watching/touching Tux and the drive.
Hmmmm - yes - I've seen that in toys like Furbie - every movement has some
kind of bendable structure or slipping clutch between the drive system and
the exposed parts. I guess that prevents small children from being bitten
and saves the toy from the worst of the damage it would otherwise suffer.
> > Especially the practical issues of retaining enough 'stuffing' material to • keep the
> > shape right - yet not clogging up the mechanisms.
>
> This could be a bit difficult, but if you build the frame/mechanisms, and
> cover the mechanisms with plates (ensuring there is no exposed gearing) you
> should be ok. The new gearmotors require a minimal of external gear
> reduction (in fact, if you put a worm on the gearmotor shaft, and ran that
> on a 24-tooth gear, that might be an optimal movement speed... and require
> very little space!). Perhaps you could put the entire framework inside of a
> plastic bag (or plastic bags), which might ensure that the fluff doesn't
> interfere at all.
Yes - I guess I'll need both - just a plastic bag by itself wouldn't work
because it could still be 'injested' into the geartrain and given the number
of holes in any Technics structure, there would always be a route for small
bits of fluff to get into the mechanism with just a bunch of plates snapped
around the major components.
> > *someone* must have done this before...right?
>
> I'm afraid that I havn't... but I'm very interested in your project, and
> wish you the best of luck!
I'll keep everyone posted if I manage to get something to work.
--
Steve Baker HomeEmail: <sjbaker1@airmail.net>
WorkEmail: <sjbaker@link.com>
HomePage : http://web2.airmail.net/sjbaker1
Projects : http://plib.sourceforge.net
http://tuxaqfh.sourceforge.net
http://tuxkart.sourceforge.net
http://prettypoly.sourceforge.net
http://freeglut.sourceforge.net
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Message is in Reply To:
 | | Re: Animatronics anyone?
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| "Steve Baker" <lego-robotics@crynwr.com> wrote in message news:3AD91A97.C941EF...ail.net... (...) Tux - the Linux (...) This is an *insanely* cute idea. I love it! (...) share? I supose the only thing I could suggest here is making your mechanism (...) (24 years ago, 16-Apr-01, to lugnet.robotics)
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