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In lugnet.technic, Fredrik Glöckner writes:
> Does this mean that the set actually comes with a total of four (4)
> external motor units? Or does each IR-controller comprise two built
> in motors each?
>
> It's not obvious to me if "motor output" above means an electronic
> socket to which a motor can be connected, or a cross axle hole which
> is driven by an internal motor. I'm guessing the latter, otherwise
> the price of the set would probably have been too steep.
Two IR receivers, each has two built-in motors.
Quoted from John Barnes's post <http://news.lugnet.com/robotics/?n=15809>
> It is interesting that there are two power take-offs, one "through axle"
> hole and "end axle" hole at each end of the unit. The two are differently
> geared so you can choose higher speed or higher torque.
The gear ratio between the two types of connection points is about 5:2; The
"through axle" is the faster one.
> And another question: Are the motor outputs (assuming they are
> internal motors) placed so that it is easy to build something around
> the unit? I.e., is it easy to use the motor outputs in custom MOCs?
> I'm curious to the usefulness of the IR units.
It is easy if you happen to be building a robot with two treads, or a robot
with two claws. :-)
On the plus side, the IR unit does get a lot of holes and sockets on it. I
don't like its curvey shape, though. (Why didn't Lego simply build it as a
rectangular brick, covered with grids of studs and holes all over? :-)
I'd say for MOC, it may be far less flexible than RCX, but certainly a lot
easier to work with than the bulky CyberMaster (in terms of structural
integration, not intelligence).
> Fredrik
Hao-yang Wang
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Message is in Reply To:
 | | Re: IR Controller in 8539 Manas
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| (...) Does this mean that the set actually comes with a total of four (4) external motor units? Or does each IR-controller comprise two built in motors each? It's not obvious to me if "motor output" above means an electronic socket to which a motor (...) (25 years ago, 27-Jul-01, to lugnet.technic, lugnet.technic.bionicle)
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