Subject:
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Re: Newbie has an idea - Nascar style racing?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 27 Nov 2002 17:08:17 GMT
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Viewed:
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1157 times
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In lugnet.robotics, Steve Baker <sjbaker1@airmail.net> writes:
> ...snip...
> The grey scale across the width of the track is a GREAT solution.
> With only a standard RIS set, I don't think you can improve on it.
>
> The big problem is in the construction of it in a way that's cheap
> and durable. Printing it on a computer printer seems reasonably
> cheap - and if people are worried about their toner consumption
> then head to your local copy-shop and have them do it.
First Lego League uses a plastic mat made by 3M for their competitions.
Every team gets one to practice with when they register. I don't know how
expensive it is since 3M donates it to FLL, but it does have several
redeeming qualities for this application: extremely durable, appropriate
size (made to lay on a standard 4'x8' sheet of plywood with 2"x4" upright
border all around), can be printed on (at least 3M can), well tested, and
has good 'tooth' for Lego wheels.
FLL has a short season which is just about to end. This means that more than
2500 mats and tables are about to become available (plus more from previous
years). Perhaps the gray-scale could be printed on the back of the mat by
Kinkos. Anyone willing to try?
Andy Miller
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Newbie has an idea - Nascar style racing?
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| (...) This makes robots have to depend much more on dead-reckoning. If you are steering (say) 10% too much - then that error will build up without limit. You'd come out of a 90 degree turn with a 9 degree error - but unless you have two light (...) (22 years ago, 26-Nov-02, to lugnet.robotics)
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