Subject:
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Re: LEGO Lawn-mover
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 20 Jul 1999 22:14:05 GMT
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Original-From:
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Laurentino Martins <lau@mail.STOPSPAMtelepac.pt>
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Viewed:
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781 times
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Why don't you use the CyberMaster tracks?
They are the biggest LEGO as ever built. Attached directly to the internal motors they rise the unit about 5 studs high from the ground (should be enough) besides the tracks have great traction compared to wheels.
You can rise it even more by lowering the track structure and using a couple of gears in each side to connect to the motors.
At 18:35 20-07-1999 Tuesday , you wrote:
> You need *taller* wheels to get the chassis off the grass. I would
> expect the 82mm diameter Mindstorms wheels/tires to be ideal.
>
> You can see a picture at http://www.pcpros.net/~graywolf/technic/
>
> Sten Kvamme wrote:
> >
> > I have made a simple lawn-mover but need wheels with better traction. It is
> > controlled via a Visual Prolog environment in the PC and uses two razor • blades
> > for cutting.
> > Ref to http://www.capcad.se for some images.
> >
> > Are there better wheels out there somewhere?
> >
> > Thanks,
> > Sten
> > --
> > Did you check the web site first?: http://www.crynwr.com/lego-robotics
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
Laurentino Martins
[ mailto:lau@mail.telepac.pt ]
[ http://www.terravista.pt/Enseada/2808/ ]
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 3 Replies:
 | | Re: LEGO Lawn-mover
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| (...) [snip] Are the CyberMaster tracks different from the ones that come with the RIS and other current Technic models? BTW, the largest lego wheels I'm aware of are the one you can find in the 8880 Supercar. Nice bot, Sten! Mario (URL) (25 years ago, 21-Jul-99, to lugnet.robotics)
| | | Re: LEGO Lawn-mover
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| (...) Very different, and they are unique to the CyberMaster. The tracks are supported by a special structure part LEGO has created for them, and that makes them very strong. Take a look: (URL) couldn't find a better image) Laurentino Martins [ (...) (25 years ago, 21-Jul-99, to lugnet.robotics)
| | | Re: CyberMaster tracks (was Re: LEGO Lawn-mover)
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| The CyberMaster tracks do look cool, but you can build your own tracks out of "standard" LEGO Technic parts (and bigger than "the biggest LEGO has ever built"). See my website: (URL) Haye IBM ADSM Server Development ... Tucson, AZ haye (at) us (dot) (...) (25 years ago, 26-Jul-99, to lugnet.robotics)
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Message is in Reply To:
| | LEGO Lawn-mover
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| I have made a simple lawn-mover but need wheels with better traction. It is controlled via a Visual Prolog environment in the PC and uses two razor blades for cutting. Ref to (URL) for some images. Are there better wheels out there somewhere? (...) (25 years ago, 20-Jul-99, to lugnet.robotics)
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