I was using an ex-BN SD40-2 last night. On the engineer's side of the fuel tank, there's a sort of bracket thing near the fuel fill. It's almost like a mounting plate for something that's now gone. Any ideas? Just idle curiosity.
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Yellow thingie?
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edblysard Yellow thingie?
It's a black thingie now. But so is everything else on the engine.
Nah, the yellwo thingies are on the trucks. I've actually used them to move markers around the yard. Probably the only person in my terminal ever to do so.
Do you have a number for this engine, Unless I'm blind, which could be very plausible, I can't seem find an immage of a BN sd40-2 (and ex BN) with a bracket to hold something, maybe a picture could help.
~Eastrail
This is of another SD40, but has the same thing. NS 3470. Right below the EFCO button.
http://www.rrpicturearchives.net/showPicture.aspx?id=4575142
zugmanna black thingie
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zugmann This is of another SD40, but has the same thing. NS 3470. Right below the EFCO button. http://www.rrpicturearchives.net/showPicture.aspx?id=4575142
The two shelf-like brackets on top of the tank?
rdamonThe two shelf-like brackets on the tank?
That's them.
Okay, NS 3470 was supposedly BN 7215, and I can see the brackets, they look like they are connecting to something, but that could just be the angle.
http://www.rrpicturearchives.net/showPicture.aspx?id=201121
Here is a picture of her sister BN 7255, which is in black and white, but you can pretty clearly see the brackets.
http://www.rrpicturearchives.net/showPicture.aspx?id=2341673
Now just to find out what is in them!
Yes ... looks unique to the BN 7100-7200 series delivered in 1980. They have a unique builders number starting with a 'A' according to : http://archive.trainpix.com/BN/EMDORIG/SD40-2/INDEX.HTM
May be interesting to see if this may be a tank used on the 50 or 60 series.
May have found it ...
Looks like that series was equipped to connect to a fuel tender for use in the PRB as helpers.
http://www.internationalrailfair.com/irfphoto.cgi?photos-rv04-04/HLCX_7228.jpg
This may have been related to that.
Check this photo ..
https://www.flickr.com/photos/chuckzeiler/26361700408/
All EMD locomotives whose serial numbers start with the letter "A" were built at GM's London, ON, Canada plant until all production was switched to the Canadian plant early in the SD60 and GP60 production run, when the Canadian plant switched to using the serial numbers based on the Production Order numbers. The EMD plant at LaGrange, IL had been using this serial number system since 1971.
rdamonLooks like that series was equipped to connect to a fuel tender for use in the PRB as helpers.
I think you got it. The two brackets have holed in their side to allow a line to pass through them. I'm guessing they held fuel filters?
zugmannI'm guessing they held fuel filters?
Would suspect fuel heaters too, perhaps in an integrated module like the Ford FICM, and perhaps a transfer pump. Surely there is published discussion and pictures on this project somewhere we can link to it.
Found this site:
http://www.jimsjunction.com/sidetrack/st02/ft1.html
On the last page it states that there are pumps on the locomotives.
And a old thread here: http://cs.trains.com/trn/f/111/p/86247/1021918.aspx?page=1
But the link to the details is dead.
rdamonFound this site: http://www.jimsjunction.com/sidetrack/st02/ft1.html
Interesting point on that last page about the effect of fuel slosh on train handling. Remember when Euclid brought this up in connection with oil-train accidents?
OvermodInteresting point on that last page about the effect of fuel slosh on train handling.
Note that they only mention it in conjunction with light engine moves and the use of the independent brake, not with full train movements.
In that context, it makes full sense.
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tree68 Overmod Interesting point on that last page about the effect of fuel slosh on train handling. Note that they only mention it in conjunction with light engine moves and the use of the independent brake, not with full train movements.
Overmod Interesting point on that last page about the effect of fuel slosh on train handling.
But note that the 'full train movements' in the BN case were solid loads like PRB coal. The only thing 'sloshing' is that context was the fuel tender, and that effect might be damped in long heavy consists with minimal draft-gear cushioning.
The effect from slosh in a long string of virtually identical tank cars might be something else again. Was it Jeff Hergert who described 10' of delayed runout due to slosh?
Overmod tree68 Overmod Interesting point on that last page about the effect of fuel slosh on train handling. Note that they only mention it in conjunction with light engine moves and the use of the independent brake, not with full train movements. But note that the 'full train movements' in the BN case were solid loads like PRB coal. The only thing 'sloshing' is that context was the fuel tender, and that effect might be damped in long heavy consists with minimal draft-gear cushioning. The effect from slosh in a long string of virtually identical tank cars might be something else again. Was it Jeff Herbert who described 10' of delayed runout due to slosh?
The effect from slosh in a long string of virtually identical tank cars might be something else again. Was it Jeff Herbert who described 10' of delayed runout due to slosh?
Worked with a yard crew servicing a chemical plant with several tracks of tank cars - some full, some empty and some with partial loads - all without air. Slosh would move the engine and all cars in the cut upto 1/2 a engine length during switching moves. Even when having hold of 8 - 10 cars to Spot - bring the cut to a stop would have slosh that would move the cars 5-10 feet from spot - back and forth until the slosh attenuated - and then on to spot the next car. A tedious process for the crew and one that required skills for the cars to eventually stop 'on spot'.
With a loaded unitl oil train, I doubt that there would be all that much slosh as all the cars when loaded are near full and thus have limited slosh area within the car. Empties are that, empty so not enough product remains in the car to create slosh.
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