Subject:
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Re: multiple motors
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Wed, 26 Nov 2003 18:47:34 GMT
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Viewed:
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4158 times
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In lugnet.robotics.rcx, Philippe Hurbain wrote:
> > Now, of course, I'm trying to think how to build a gear shift for the system
> > as well. How can I make one "shift" change the gear ratio on two parallel (but
> > seperate) gear trains? That way I can keep my fast-turning differential drive,
> > but still have a low-speed, high torque mode.
> > Oh, the wonderful questions you can ask with LEGO... <grin>.
>
> http://photos.freelug.org/photo.php?cat=33&num=81&expand=all
> shows such a mechanism I built in my latest sumobot... (sorry, bad photograph)
> Two gear shifts are activated at the same time, one for right wheels, the other
> for left wheels.
>
> The gearshift is activated by a motor controlled by RCX, gearing down occurs
> when something hits the bumpers.
So, how well did it work?
How did the robot do?
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Message has 1 Reply:
 | | Re: multiple motors
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| (...) Rather well... (...) ...but it was beaten by a simpler but slightly heavier 'bot! And it sometimes committed suicide too :-(( Philo (21 years ago, 27-Nov-03, to lugnet.robotics.rcx)
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Message is in Reply To:
| | Re: multiple motors
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| (...) (URL) such a mechanism I built in my latest sumobot... (sorry, bad photograph) Two gear shifts are activated at the same time, one for right wheels, the other for left wheels. The gearshift is activated by a motor controlled by RCX, gearing (...) (21 years ago, 26-Nov-03, to lugnet.robotics.rcx)
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