Subject:
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Re: Power Functions
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 9 Oct 2007 19:57:49 GMT
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Viewed:
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7944 times
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No, you're not understanding how the system works. LEGO could have easily
have made this very same system using the old two wire connector. The extra
two wires don't do anything special. The more I think about things, the more
turned off I am becoming. It's almost as if LEGO did this just to ensure
any 9v parts are now obsolete.
"Mervyn Tomb" <mtomb@tesco.net> wrote in message
news:Jpnqs1.H1v@lugnet.com...
> >
> > However this 4 wire system - was it really necessary? I can't help but
> > feel
> > that LEGO really did one over on enthusiasts like me. I don't see any
> > benefit that this four wire system brought to building
> > electical/mechanical
> > models. Well, with one exception - a person can now piggyback power off
> > any
> > terminal, but really I could have easily done without this. The other
> > thing
> > that somewhat turns me off is the size of the connector. Before we could
> > rotate a connector 0, 90, 180 and 270 degrees. We could also use
> > electrical
> > plates to move a bulky connector over. We have lost this flexibility.
> >
> > Does anyone else feel let down about the four wire system? Perhaps in
> > the
> > future it will be apparent as to why this system was brought to life, but
> > for now I can't help but feel disappointed.
>
> I can see your point. I'd say the four wire system made the new bulldozer
> easy
> to control with one infra red controller. But is it not the case that each
> function is switched off when a the next function is activated? I
> personally
> prefer the idea of being able to have five older motors controlled by five
> pole
> switches, which can be switched in any sequence at any time. I have also
> read
> that the infra red controller requires line of sight, which may have its
> limitations.
>
> If Lego were really doing the job well they would have used radio waves,
> and
> given us variable power as in the RC racers.
>
> Also can any one tell me what sort of connector is on the back of the new
> motor,
> as every photo I have seen does not show if the wire can be removed and
> replaced
> with a longer one.
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Message has 2 Replies:
 | | Re: Power Functions
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| "Dan Berladyn" <dberladyn@hotmail.com> wrote in message news:Jpnu4I.G49@lugnet.com... (...) The way I grasp the concept is when (if?) the adapter (legacy) cable becomes available, it will probably connect to the C1 and C2 pins on the PF connector (...) (17 years ago, 9-Oct-07, to lugnet.technic)
| | | Re: Power Functions
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| (...) The two added wires (power lines) provide permanent, fixed polarity supply for IR receiver. The new connector precisely ensure that no polarity reversal is possible. Without that, the IR receeiver would have needed a rectifier bridge (...) (17 years ago, 10-Oct-07, to lugnet.technic)
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Message is in Reply To:
| | Re: Power Functions
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| (...) I can see your point. I'd say the four wire system made the new bulldozer easy to control with one infra red controller. But is it not the case that each function is switched off when a the next function is activated? I personally prefer the (...) (17 years ago, 9-Oct-07, to lugnet.technic)
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