LEGO SYSTEM Trains : 5305


Trains / 5305	5304 \| 5306

Subject:	Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
Newsgroups:	lugnet.trains
Date:	Fri, 31 Mar 2000 19:00:39 GMT
Highlighted:	(details)
Viewed:	5429 times

Andreas Stabno <stabno@megsinet.net> wrote in message news:FsAv72.EDJ@lugnet.com... > There's something that has been bothering me with those pictures of • automated > points and I finally realized what it is. > > The power connectors to drive the switching motor are connected to both • parts > of the point. One is attached to the straight part and the other to the > curved piece. My electric knowledge isn't all that great, but I was under • the > impression that part of the point is isolated as the current is switched • from > one part to the other. Wouldn't this cause havoc with the motor connections? The outside rails are always live (while there's power being applied to the track) - the inner rails are switched on or off when the point changes, so as it is wired, I believe it is correct. Huw

Message has 2 Replies:

		Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
(...) Yes, Huw, that is correct. However, why not have internal metal wires in the point? I would think it easier to make it so that the take off was from within the tie bar than to have the external connection. However, I would view it as entirely (...) (25 years ago, 31-Mar-00, to lugnet.trains)

		Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
(...) Traditional model railways with DCC control have required the 'self-isolating' points to be hard-wired so that there is power to both rails on both tracks at all times. This is of course to allow not only movement of trains independant of the (...) (25 years ago, 31-Mar-00, to lugnet.trains)

Message is in Reply To:

		Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
There's something that has been bothering me with those pictures of automated points and I finally realized what it is. The power connectors to drive the switching motor are connected to both parts of the point. One is attached to the straight part (...) (25 years ago, 31-Mar-00, to lugnet.trains)

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