Different Third Rail Material?

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Different Third Rail Material?

Postby mp15ac » Sun Apr 29, 2018 11:12 am

I've noticed that the new third rail being installed at Jamaica other location appears to be Aluminum instead of steel. Is this the case?

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Re: Different Third Rail Material?

Postby 452 Card » Sun Apr 29, 2018 3:10 pm

I doubt it to be aluminum, as the wear factor is too great. Maybe galvanized iron?
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Re: Different Third Rail Material?

Postby DutchRailnut » Sun Apr 29, 2018 3:12 pm

it is Aluminium with a stainless steel wear surface pressed on, MN has been installing it too as it has very little power loss.

https://www.wabtec.com/products/1543/3rd-rail
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Re: Different Third Rail Material?

Postby Uncle Cheapo » Sun Apr 29, 2018 4:17 pm

DutchRailnut wrote:it is Aluminium with a stainless steel wear surface pressed on, MN has been installing it too as it has very little power loss.

https://www.wabtec.com/products/1543/3rd-rail

Dutch, is the Metro North third rail the same as LIRR’s just upside down? Or is it a different shape onto its own?
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Re: Different Third Rail Material?

Postby DutchRailnut » Sun Apr 29, 2018 4:42 pm

same shape just different mounting.
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Re: Different Third Rail Material?

Postby 452 Card » Mon Apr 30, 2018 4:12 am

Wow Dutch, that's interesting. Are the pickup shoes still iron or did they get modified too?
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Re: Different Third Rail Material?

Postby DutchRailnut » Mon Apr 30, 2018 5:12 am

pick up shoes are still cast iron, and way softer than wear surface of new rail.
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