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Subject: 
Re: LEGO 7996 and 9V
Newsgroups: 
lugnet.trains
Date: 
Sun, 9 Mar 2008 04:08:49 GMT
Viewed: 
31779 times
  
In lugnet.trains, Scott Wardlaw wrote:
> > The real broblem with the 7996, wether you metalize it or not is the linked
> > switch controls. My next project is to split the controlls and add solenoids for
> 
> I wish that I had read this a few months ago (when I should have).  I just
> bought a 7996 with the intention to convert it to 9V.
> 
> I am very disapointed that you can not have both of the parallel straights
> switched to go straight at the same time.  The switching only allows for one to
> be straight and the other must curve.
> 
> I'd be happy to know if you have a good method of splitting the controls and
> adding solenoids!
> 
> Does anyone else have experience with splitting the 7996 controls, or adding
> solenoids to a regular 9v switching point?
> 
> Thanks,
> Scott

splitting the controls for the doubble crossover can be done in a couple of
ways. as soon as i get my hands on a set i will write up some instructions for
everyone.

as for selenoids there really is no need. automating 9v/rc switches is fairly
straight forward.  see:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=109777&n=47    see photos that
start with a "z"  also there are literaly probably 100+ solutions to automate
all you have to do is look.
ondrew



Message has 1 Reply:
  Re: LEGO 7996 Crossover Motorized and Ballasted - Pictures
 
(...) I have altered the crossover controls to provide for an all-straight state by tweaking the springs in the switching rails. I have also motorized the crossover in such a way that it can be set straight, TL-BR or BL-TR with two switches (both (...) (18 years ago, 7-Jul-08, to lugnet.trains, lugnet.technic, lugnet.build, lugnet.announce.moc, lugnet.loc.uk, lugnet.parts.mod)  

Message is in Reply To:
  Re: LEGO 7996 and 9V
 
(...) I wish that I had read this a few months ago (when I should have). I just bought a 7996 with the intention to convert it to 9V. I am very disapointed that you can not have both of the parallel straights switched to go straight at the same (...) (19 years ago, 8-Mar-08, to lugnet.trains)

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