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Re: LIRR to test retrofitting M7s to run off battries

Posted by Joe V on Tue Apr 20 06:14:01 2021, in response to Re: LIRR to test retrofitting M7s to run off battries, posted by Osmosis Jones on Mon Apr 19 22:45:54 2021.

No.

Amtrak requirment is to top and tail any push-pull train with a 3rd rail equipped vehicles. IOW, the engineer must be in such a vehicle. Amtrak does not run any dual-mode trains that are push-pull. All are in pull mode. Those are Empire trains. Keystone trains have a Metroliner cab car, but run off catenary.

DM's are deemed eletric locomotives per LIRR union contract, whether they go into electric mode or not. Mixing DE on one end and DM on the other end means the engineer swicthes type of motive power with in his shift, and gets something like 2 or 4 hours bonus pay.

HEP is only good for 6 cars. Most of the dual-mode trains are 8 cars, which means they must short-loop the HEP cables mid consist. So you can't shut off the DE unit.

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