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 Post subject: NORM converts system to pantograph operation
PostPosted: Sat Apr 01, 2023 11:45 pm 

Joined: Mon Nov 26, 2007 2:54 am
Posts: 1019
Location: Califoothills / Midwest Prairies / PNW
The Northern Ohio Railway Museum has revived Cleveland Transit System "Bluebird" single unit car 109 to operation, with pantographs in place.
https://pnaerc.blogspot.com/2023/03/cleveland-transit-system-109-runs.html


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Sun Apr 02, 2023 10:34 am 

Joined: Fri Dec 22, 2017 6:47 pm
Posts: 1398
Location: Philadelphia, PA
It's possible to operate with both pans and poles on the same wire.

Phil Mulligan


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Sun Apr 02, 2023 11:51 am 

Joined: Sun Aug 29, 2004 10:12 pm
Posts: 112
Location: Wadsworth, Ohio
I believe both poles & pantographs can operate on the same system, but adjustments have to be made to the hangers, if I recall. Pittsburgh did for several years as they converted to pantographs, if I recall.

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Phil Raynes


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Sun Apr 02, 2023 12:44 pm 

Joined: Fri Dec 22, 2017 6:47 pm
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Location: Philadelphia, PA
Correct. Hangers have to be above the contact shoes of the pans and wire frogs need guides to push the pans below the frogs.

Phil Mulligan


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Sun Apr 02, 2023 5:41 pm 

Joined: Sun Aug 22, 2004 8:51 pm
Posts: 2041
Location: Southern California
EJ Berry wrote:
Correct. Hangers have to be above the contact shoes of the pans and wire frogs need guides to push the pans below the frogs.

Phil Mulligan
Another thing is like what the old Sacramento Northern did (and I think that Western Ry Museum did when it re-electrified its old SN r-o-w) is to slowly move the single wire back and forth across the width of the pan contact area. Making the zig-zag over several pole lengths. This eliminates the possibility of wearing a narrow grove in the pan. And the slow movement back and forth does not adversely cause problems with a trolley wheel or slide.

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Brian Norden


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Mon Apr 03, 2023 4:37 pm 

Joined: Tue Dec 18, 2007 10:28 am
Posts: 72
Location: Central Pennsylvania
Congratulations NORM and your dedicated volunteers who made this possible! Very impressive.

Best wishes,
Matt Nawn


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Tue Apr 04, 2023 8:49 pm 

Joined: Fri Dec 22, 2017 6:47 pm
Posts: 1398
Location: Philadelphia, PA
I'm assuming NORM adapted the overhead so you can use either poles or pans.

Phil Mulligan


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 Post subject: Re: NORM converts system to pantograph operation
PostPosted: Fri Apr 07, 2023 12:00 am 

Joined: Mon Aug 23, 2004 7:53 am
Posts: 124
Location: Chippewa Lake, Ohio
The overhead at NORM is being built to allow pan and pole operation. It has been that way from day one.

Steve


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