Good idea.

 
  Alco_Haulic Chief Commissioner

Location: Eating out...
NJ Transit in the USofA has decided to take new dual mode locomotives, with overhead and diesel supply!

http://www.ble272.org/ Has a PDF on the units, and it provides an interesting read.

Now, would a locomotive similar to these have any benefit on the QR system, or even the mainland system for reducing costs, and increasing the "green" element of rail transport?

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  NSWRTM123 Chief Commissioner

Location: Looking for my house. Has anyone seen it?
Already been done:
http://www.semgonline.com/electric/class73_01.html
http://www.semgonline.com/electric/class74.html
Albeit, 750v DC third rail instead....
  luznug Banned

Location: Banned
Also the euro star was/is a hermaphrodite  LaughingLaughing
  PavlovsDog Junior Train Controller

Location: Junee, NSW
New Haven FL9?
  Johnmc Moderator

Location: Cloncurry, Queensland
New Haven FL9?
"PavlovsDog"


Looks like this is the replacement for it.

From what I can recall, the problem is that dual powered loco aren't suitable for heavy haul, which is why most of the examples given (US NEC, UK Southern) are for passenger transport.

Wonder if it might work with the XPT?
  Alco_Haulic Chief Commissioner

Location: Eating out...
Already been done:
http://www.semgonline.com/electric/class73_01.html
http://www.semgonline.com/electric/class74.html
Albeit, 750v DC third rail instead....
"NSWRTM123"


I knew about the use of third rail, but not overhead. Also, NJ Transit hasn't run any dual modes before. FL9's have been mainly with the Metro North Commuter Railroad. With some going to Amtrak and private owners.

The reason I was thinking of freight use is because of the overhead. All previous examples have used 3rd rail DC, and have therefore been pretty limited. The use of 25kV AC, along with AC traction motors would enable the unit to produce a higher traction effort.

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