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Re: Inclined Trolley Beam

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        You might also check out roller coasters and cable cars.  San Francisco has cable cars I believe.  Also Quebec City has a system that I believe they call "the Funicular".  It works like two cable powered elevators counter balancing one another and working on an incline of something like 30 to 45 degrees (I rode on it but didn't measure it).
H. Daryl Richardson
----- Original Message -----
Sent: Wednesday, July 15, 2009 9:28 AM
Subject: Re: Inclined Trolley Beam

Such arrangements is likely to cause lots of problems (design, construction, and operation.  In my experience, in such situations they use two cranes with overlapping service zones.  Alternatively, you may try using a monorail (visit your local drycleaners :)).
V. Steve Gordin, SE
Irvine CA
----- Original Message -----
Sent: Wednesday, July 15, 2009 07:53
Subject: Inclined Trolley Beam

Does anyone have experience with inclined trolley beams?  If it's 
possible to do such a thing what would be the max suggested incline?  
Also, I assume one would need a special type of trolley to navigate 
the beam.

What I am considering is a trolley beam that starts out level, 
inclines maybe 30 degrees (crippled beam), then levels off again.  Any 


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