From: lfsheldon@gmail.com   
      
   On 12/21/2014 08:53, Nick Sandru wrote:   
   > On 12/16/2014 12:26 AM, Larry Sheldon wrote:   
   >> http://iceagenow.info/2014/12/power-outage-caused-snow-halts-   
   ullet-train-6-hours/   
   >>   
   >> Snow blocked pantographs.  Really?  I'm no expert but that seems   
   >> predictable and avoidable.   
   >   
   > In the right conditions wet snow freezes on the contact wire and on   
   > rooftop gear on the trains, making operation impossible (unless you want   
   > to tear down the catenary of course...).   
      
   Article said "snow" I think--I can see ice on the wire being a problem I   
   guess but it seems like the pan could be heated to keep it clear and a   
   sharp edge would "clean" the wire if you could ever get started.   
      
   Might not be worth doing.   
      
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