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| Trolley wire installation https://www.rypn.org/forums/viewtopic.php?f=1&t=4307 |
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| Author: | hankmorris [ Sat Nov 02, 2002 2:34 pm ] |
| Post subject: | Trolley wire installation |
What is the typical height above the rails for a trolley wire to be suspended? hankmorris@earthlink.net |
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| Author: | Nathan Harper [ Sat Nov 02, 2002 11:24 pm ] |
| Post subject: | Re: Trolley wire installation |
> What is the typical height above the rails > for a trolley wire to be suspended? A practical height seems to be 17 to 22 feet. You want to be sure that a semi-truck at a grade crossing doesn't rip it down. If you have any area with garbage trucks running, 24 feet might be necessary. You might need longer trolley poles in those applications. nwstaybolt@reachone.com |
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| Author: | Brian Norden [ Tue Nov 05, 2002 12:53 am ] |
| Post subject: | Re: Trolley wire installation |
> A practical height seems to be 17 to 22 > feet. You want to be sure that a semi-truck > at a grade crossing doesn't rip it down. If > you have any area with garbage trucks > running, 24 feet might be necessary. You > might need longer trolley poles in those > applications. The California Railroad Commission in its standards for overhead electrical consturction (railway and power transmission) required 17 feet for streetcars and 22 feet where standard railroad cars would be hauled. This is from a 1941 publication. Brian Norden bnorden49@earthlink.net |
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