Subject:
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RE: PipeXplorer
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 23 Dec 1998 17:06:51 GMT
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Original-From:
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David Colomer <DAVID.COLOMER@stopspammersSEMAGROUP.CL>
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Viewed:
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1286 times
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I think it is a really good beginning. Just only consider a few facts.
Let's suppose the bot is big enough to "fit" in the chimney (I liked the
idea and it is Christmas). The bot is going to use one axis to move along
the chimney... and you need another to control the direction along the axis.
This means to use at least two motors (I think that three will be the
number: 2 climbing and 1 controling direction).
Why don't try to calculate the weight (aprox.) of the bot and check the
possibility before your CiberMaster crash? It is Christmas time and Santa
will be mad if you break your "adult's toy"
David
PS-> Heinz, I have no children yet, but my wife considered that "play with
Legos is kids stuff" until the first bot crossed our bedroom at 6:00 am
carring an orange juice on. Try it!
-----Mensaje original-----
De: Laurentino Martins [mailto:lmartins@marktest.pt]
Enviado el: miércoles 23 de diciembre de 1998 10:20
Para: David Colomer
Cc: Lego-Robotics; Tim McSweeney
Asunto: RE: PipeXplorer
Well, the project didn't even started yet, but I'm thinking on it seriously.
I see some problems in design because I'm a LEGO purist and I'm not sure if
I can make it small enough to be of any use. Also, I don't know yet if I can
devise a way to make it turn.
Anyway, I'm probably going start by testing the design in my room using two
closets or shelves next to each other and see it adapts to the space between
them. Then I'm going to make sure it can in fact run and climb by pressing
against the walls of the closets. I don't know how feasible this might be,
but I probably must demultiply the motors or it will not have enough
strength for climbing.
For a real life test I was thinking in making it climb my chimney... After
all it's Christmas, isn't it? *<||:-)
Anybody ever seen a similar project?
Laurentino Martins
[mailto:lau@mail.telepac.pt]
[http://www.terravista.pt/Enseada/2808/]
--//--
At 13:53 23-12-1998 Wednesday , you wrote:
> It sounds fine!
>
> Two simple questions:
>
> What the pipes are made of? Some materials can be a problem respect to the
> radio link.
>
> What kind of pipes are you thinking about? I mean, they must have a "big"
> diameter to allow the bot to move inside.
>
> David
>
> -----Mensaje original-----
> De: Laurentino Martins [mailto:lau@mail.telepac.pt]
> Enviado el: martes 22 de diciembre de 1998 20:41
> Para: Lego-Robotics
> Asunto: PipeXplorer
>
>
>
> I'm thinking in building a bot for exploring pipes and conduits with my
> CyberMaster.
>
> Here's the idea:
> It must be small enough to fit inside a pipe and also to be able to make
> turns without major problems (although turns are not my first priority).
> It will "attach" itself to the walls of the pipe by pressing against the
> sides of it with wheels/tracks in at least 2 opposite directions, and
> pressing with enough strength to be able to climb a vertical pipe if
> necessary (important!).
> It also must be able to stretch itself to adapt to larger pipes at runtime.
> I'm confident the CyberMaster radio link might be able to pick the tower
> even on long pipes if I place it near the opening, so I might be able to
> command the unit it by hand using a joystick or keyboard.
> Later maybe I may be able to place a light and a camera on it. Of course it
> would have to drag a cable behind it, but strength to do this should not be
> a major problem.
> Right now I'm more interested in creating the mechanics for this...
>
> Comments?
>
>
> Laurentino Martins *<||:-)
>
> [mailto:lau@mail.telepac.pt]
> [http://www.terravista.pt/Enseada/2808/]
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Message is in Reply To:
 | | RE: PipeXplorer
|
| Well, the project didn't even started yet, but I'm thinking on it seriously. I see some problems in design because I'm a LEGO purist and I'm not sure if I can make it small enough to be of any use. Also, I don't know yet if I can devise a way to (...) (26 years ago, 23-Dec-98, to lugnet.robotics)
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