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Subject: 
Re: Model of MATRA VAL System
Newsgroups: 
lugnet.trains
Date: 
Mon, 6 Mar 2000 17:31:30 GMT
Viewed: 
1451 times
  
In lugnet.trains, Iain Hendry writes:
Miles Gentry wrote in message ...

In lugnet.robotics, Iain Hendry writes:


Most network guideway systems steer the vehicles with such additional • wheels
mounted horizontally on both sides to follow either the left vertical rail
surface  or the right vertical rail surface at "Y" intersections.

Actually, none of the rubber-tyred systems I've seen have used that system.

Rubber-tyred large-scale Metros, in such cities as Montreal and Paris,
simply "drop off" the concrete guideway and roll onto their flanged wheels,
nested within the outboard mounted rubber tyres on their axles. The trains
navigate the switch using the flanged rails, then hop back up onto the
concrete beams. In Montreal it's slightly different, where the weight of the
train is still carried by the beam.


Nope the wheight of the train is on the rubber tires, the beam are there only
for protection in case a tire blow out. Thay are also resopnsible for track
switching.

Martin


   Iain
--
tokama       http://www.oxford.net/~hendryjr
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(Remove bibiphoque to reply)



Message has 1 Reply:
  Re: Model of MATRA VAL System
 
Martin Legault wrote in message ... (...) wheels, (...) the (...) only (...) The statement I made was in reference to switching. The beamway *is* the suport for the running tyres. The rails nested within those running beams serve as a safety in case (...) (25 years ago, 6-Mar-00, to lugnet.trains)

Message is in Reply To:
  Re: Model of MATRA VAL System
 
Miles Gentry wrote in message ... (...) wheels (...) Actually, none of the rubber-tyred systems I've seen have used that system. Rubber-tyred large-scale Metros, in such cities as Montreal and Paris, simply "drop off" the concrete guideway and roll (...) (25 years ago, 4-Mar-00, to lugnet.trains)

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