Subject:
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Re: moving in a straight line with two motors?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 18 Nov 1998 14:23:35 GMT
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Original-From:
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Laurentino Martins <lmartins@marktest*nospam*.pt>
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Viewed:
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5367 times
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Anyone have already tried making a differential gear transmission with LEGO pieces?
I'd really like to see it is done...
Laurentino Martins
--//--
At 07:08 17-11-1998 Tuesday , you wrote:
> (*LURK MODE OFF!*)
> Hello, My name is Daryl, and I am a LegoManiac.
> I have now applied the RCX to automate my Samurai's Stronghold for 'LE*Owars'.
>
> Sad, I know.
>
> To get 2 motors to work together to drive 1 axle in the vector you want, try a
> differential gear transmission. Basically, the input of 2 power sources (the
> rotating shaft of the motor) is 'averaged' and the output is applied to the
> main transmission. The main effect is that now, two dissimilar engines can
> work
> together, making more 'torque', but, the output is 'very' regulated, giving the
> opportunity of determining the position (distance traveled) of the 'bot by dead
> reckoning.
>
> (*LURK MODE ON!*)
>
> --
> ==============================================================
> |Daryl McLaurine, Consultant Wrk: 847/632-4198 |
> |Motorola, Inc., CIG, ITS Fax: 312/632-6658 |
> |1501 Shure Drive, IL27-3B4 Pgr: 630/???-???? |
> |Arlington Heights, IL 60004 Alph: 630/314-9675 |
> | http://www.cig.mot.com/~mclaurin |
> ==============================================================
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Message has 4 Replies:
 | | gear differential
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| (...) I've built a fairly compact one using only standard gears and pieces. I'm waiting for my digital camera to put up some photos of it somewhere. Mail me if you want a sneak preview. (28 years ago, 18-Nov-98, to lugnet.robotics)
| | | Re: gear differential
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| (...) LEGO (...) Yes! You are correct. I've been playing with my Super Car and found that this was a very cool thing when I got my car last Christmas. I'll take a some pix of the underside of the Super Car if you all are interested on how the (...) (28 years ago, 18-Nov-98, to lugnet.robotics)
| | | Re: gear differential
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| I would be more interested in a differential made with standard Mindstorms/CyberMaster pieces, if that's possible of course. Laurentino Martins (...) (28 years ago, 18-Nov-98, to lugnet.robotics)
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