QUOTE: Originally posted by northwesterner Last night I was stopped by a Northbound UP freight in Highland Park, IL. It was headed up by one of those new monster EMD units pulling a long (100+?) string of coal hoppers fast (50 mph?). I usually see 2 or 3 engines on these trains, so I was surprised to see only one. But at the end of the train was another big EMD unit short hood out, with its head light dimmed. My questions are : 1. Was the rear unit a helper or just deadheading. 2. Is this train kept intact (like a push-pull commuter train)? 3. Is there somone aboard the rear engine, or is it controlled by the driver of the head unit? Thanks for your help in advance.
She who has no signature! cinscocom-tmw
Dave H. Painted side goes up. My website : wnbranch.com
QUOTE: Originally posted by dehusman The rear unit is a Distributed Power locomotive, or DP unit. It is a helper that can be controlled from the lead unit. East-West coal trains operate 1x1 and North-south coal trains operate 2x1. Dave H.
Carl
Railroader Emeritus (practiced railroading for 46 years--and in 2010 I finally got it right!)
CAACSCOCOM--I don't want to behave improperly, so I just won't behave at all. (SM)
QUOTE: Originally posted by espeefoamer Nora and others. You were looking for a Pennsy nut to explain position light signals.There are three lights in a row,vertically,diagonaly,or horizantally.Think of this as a semiphore.lit vertically=proceed,diagonally=caution,horizonally=stop. GG1's Forever![8D][:D][:)][:p]
Larry Resident Microferroequinologist (at least at my house) Everyone goes home; Safety begins with you My Opinion. Standard Disclaimers Apply. No Expiration Date Come ride the rails with me! There's one thing about humility - the moment you think you've got it, you've lost it...
QUOTE: Originally posted by talbanese I have a stupid question.... With electrified lines, are the overhead wires or the third rail always electrified or are they turned on as needed? I grew up on Long Island and one could very easily walk up to the third rail, but I never heard about kids getting hurt. Thanks, Tom
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