Subject:
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Re: mindstorms NXT
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 6 Jan 2006 15:00:03 GMT
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Original-From:
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"Simon Bogaert" <simon.bogaert@advalvas.be>
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Viewed:
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11553 times
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Personally, I think of the four extra "technics" holes as an added plus, not
exactly a necessity... But then again, I'm not as seasoned a builder as you
all are... :)
Now, when you're talking car-like vehicles, I'd like to point some issues.
First of all, since you can 't piggyback two motors on the same output port,
you'll have to use a differential of some kind if you want 2 wheels for
propulsion. Out goes the advantage of a direct-wheel connection. Should
you want to use two motors directly connected to a wheel, you'll have to use
two ouput ports, leaving no ports to do something sensible with. (because
we're talking cars, you'll need a third motor for steering ;-) Differences
in speed between both motors should be correctable, though, for all new
style motors sport a rotational sensor. Last point: what about independent
suspension? I wouldn't like the idea of putting a motor so close to the
wheel/ground in an ATV...
Regards, Simon
----- Original Message -----
From: "John Barnes"
> This is, of course, true. However, I would point out the general
> construction of
> rear engined race cars typically include the transmission and engine as a
> single
> unit which also forms part of the vehicle structure. With the apparent
> improvement in the available attachment points as seen in the pictures,
> the new
> motor may also serve as the structural wheel attachment element.
>
> JB
>
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Message is in Reply To:
 | | Re: mindstorms NXT
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| (...) This is, of course, true. However, I would point out the general construction of rear engined race cars typically include the transmission and engine as a single unit which also forms part of the vehicle structure. With the apparent (...) (21 years ago, 6-Jan-06, to lugnet.robotics)
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