Subject:
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Re: Mindstorm Robotwars style competition in Southern California/Los Angesles area?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 12 Jan 1999 05:53:25 GMT
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Reply-To:
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NOSPAM-DCCHEN@PACBELL.NET-nomorespamNOSPAM
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Viewed:
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1254 times
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Mark Tarrabain wrote:
>
> Looks pretty cool. But how do you figger that, using the Mindstorms RCX,
> one would be able to drive 4 or more motors as mentioned in the heavyweight
> and freeweight categories? While you can surely drive two or more motors
> off any one of the three ports, I can't see how that could be particularly
> useful in a robot. What can you do with two motors that run identically that
> you can't do with just one motor and a few gears? (Perhaps I'm just
> shortsighted... if somebody could give me an example of where it is
> advantageous to run two separate motors off one control port, I'd be
> interested in knowing what it is.)
>
> No using the IR port to shut down opponents, huh? Rats. :)
>
> On another track, am I mistaken in my interpretation of the categories, or
> do none of the weight categories allow the incorporation of
> non-Mindstorms/RoboSports components? I do not believe that is a good
> idea. I would suggest that you instead divide the weight categories by
> direct mass alone. Since the limitation of only using real LEGO components
> is already clearly laid out in rule #1, allowing people the flexibility of
> doing whatever they want within a given mass frame will probably be more
> likely to produce a greater variety in the appearance and functionality of
> the entrants.
>
> > > Mark
I believe that if you use more motors driving the same wheel, you will
obtain more torque/speed/acceleration/power.
I liked the idea of divisions based on number of Motors and Max Absolute
Weight instead of based on set usage. It would be too laborious to
check each robot to see if only valid set parts were used. Perhaps a
box dimension size limit could also be helpful.
For Example: Motors Max Weight Volume
Light <= 2 1 lb 6"x6"x6"
Medium 3 3 lb 12"x12"x12"
Heavy 5 6 lb 18"x18"x18"
Unlimited ? None None
I'm not particularly attached to these figures, in fact, I'm just
pulling these out of thin air, seems reasonable though. Suggestion?
OK, so I'll commit and say I'd be interested in organizing this thing
for the So Cal/LA area, but I'll need some serious help. My schedule is
pretty chaotic and I don't have a web page/server that I can setup a
site on.
Send replies if interested in becoming an Organizer or if you've already
begun to organize something like this I'd be willing to help.
Regards,
Dave Chen
dcchen@pacbell.net
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