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Author Topic: ID this F Unit roof part  (Read 849 times)

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Mark5

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ID this F Unit roof part
« on: August 25, 2020, 01:48:42 PM »
+1
Can someone tell me what this part of this F unit is?

Thanks!

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wazzou

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Re: ID this F Unit roof part
« Reply #1 on: August 25, 2020, 02:28:36 PM »
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It's a cooling coil, like a transmission cooler you'd add to your truck if your equipping it to pull a trailer.
I don't know for sure what it cooled on the F Units though.
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Bryan

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davefoxx

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Re: ID this F Unit roof part
« Reply #2 on: August 25, 2020, 03:29:49 PM »
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I agree with @wazzou that it's some sort of radiator/cooler.  Whatever it is, it's taking up the space where the dynamic brake fan would have gone.  So, no dynamic brakes for that unit.  It's also got a winterization hatch, making this an interesting quiz!

The bigger question: Who decided to park this thing off the side of the overpass?  ;)

DFF
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thomasjmdavis

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Re: ID this F Unit roof part
« Reply #3 on: August 25, 2020, 08:37:03 PM »
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Do you have any info on the photo?  Seems apparent this unit took a tumble off a bridge, autos in the distance make it sometime relatively late in the life of an F unit. 

If the unit can be identified you might be able to find specific info.
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Tom D.

I gave up rivet counting when I couldn't see an N scale rivet anymore.

thomasjmdavis

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Re: ID this F Unit roof part
« Reply #4 on: August 25, 2020, 08:55:58 PM »
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Here is a Rock Island unit with a different but similar contraption on the roof.  Courtesy of a previous Railwire thread.
https://www.therailwire.net/forum/index.php?topic=41055.msg510344#msg510344

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Tom D.

I gave up rivet counting when I couldn't see an N scale rivet anymore.

Ed Kapuscinski

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Re: ID this F Unit roof part
« Reply #5 on: August 25, 2020, 09:06:47 PM »
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I THINK it's an oil cooler.
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sd45elect2000

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Re: ID this F Unit roof part
« Reply #6 on: August 25, 2020, 09:14:32 PM »
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Air compressor after cooler. Oil cooler is on the opposite end. It is right above the air compressor.
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Chris333

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Re: ID this F Unit roof part
« Reply #7 on: August 25, 2020, 09:50:43 PM »
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I got one of those hanging in the roof of my garage above my air compressor. Cools down the air and removes water.
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sd45elect2000

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Re: ID this F Unit roof part
« Reply #8 on: August 25, 2020, 09:53:34 PM »
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Rule 2a, water is bad for airbrakes
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Mark5

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Re: ID this F Unit roof part
« Reply #9 on: August 25, 2020, 10:51:41 PM »
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Thanks, it allegedly is from 1975 - its an N&W (Wabash) F7.

Does anyone make this detail part in N? I suppose I could take some wire and start bending ...  :D
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MK

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Re: ID this F Unit roof part
« Reply #10 on: August 25, 2020, 11:03:59 PM »
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Might be a good candidate for 3D printing.
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nkalanaga

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Re: ID this F Unit roof part
« Reply #11 on: August 26, 2020, 01:33:24 AM »
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If you only need one bending your own is probably the best bet.  If you need a bunch, it could get tedious.
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N Kalanaga
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