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ZERO Clearance Trolley Line - Lisbon City Center
 Moderated by: Herb Kephart Page:  First Page Previous Page  1  2  3   
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 Posted: Thu Apr 10th, 2014 09:56 am
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Helmut
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@Herb

No, the pantographs supply traction power to AFAIK one 25hp formerly 3-phase Motor.
Traction really is by adhesion. 

Now the trick is that they use the cable to balance the weight of the two cars ( one up, one down ), so the actual tractive force need not be that high.

Correction: The power of all trams is 600V DC now. 
Seems that they use the second wire as the return line instead of the rails.




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 Posted: Thu Apr 10th, 2014 04:41 pm
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Herb Kephart
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Helmut

I know people like that. They just aren't happy until they get something so complicated that even they can't understand it anymore.

Herb



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 Posted: Tue Apr 15th, 2014 10:24 pm
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Salada
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Herb:  

They also changed gauge !!  

The Lisbon system started out as Standard Gauge, then swapped to NG !!

Looks like Helmut finally got it sorted out !

Regards

Michael



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 Posted: Thu Nov 15th, 2018 10:23 pm
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Si.
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Just HAD to comment on this 'golden oldie' Thread of Joses !  :)





What an appealing scene for the 'space challenged' modeller !  :shocked:



This could work out OK for an urban scene ...

... but even an industrial or logging style layout could have & look good with some 'unusual' CLOSE clearances.



There  IS !  a prototype for  EVERYTHING !  ;)



:moose:




Si.




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 Posted: Thu Nov 15th, 2018 10:56 pm
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pipopak
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... when trolleys zip by your window...

Jose.







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 Posted: Mon Nov 19th, 2018 07:18 pm
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Lee B
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I can't believe I JUST noticed this thread.
My wife and I rode these in May on our European trip, saw all the spots that have been shown here.
It was the closest I'll ever get to feeling like I was a tiny person on someone's layout.
Truly impossible-looking grades, clearances that wouldn't allow for a supermodel not to get sideswiped along a wall. 
I wouldn't have believed it had I not seen it myself.






This is the one we rode:







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