RFP for new locomotives

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Re: RFP for new locomotives

Postby WesternNation » Thu Jul 05, 2018 11:44 am

From the June minutes of the NGEC meeting:

for those that do not know, M-N and Amtrak are interested in ordering their new dual-mode engines together.

Metro North Dual Mode Locomotive Procurement as of 6-19-18:

As of 6-19-18, Metro North and Amtrak have reviewed their respective specs side-by-side and have identified several differences, but “no show stoppers”. Amtrak will try to include what they can from the Metro North specification into the specification in their RFP, but not in the initial amendment of their spec.

They are working to come up with a specification that would work for both parties even if not under the same procurement. The intent is to get a spec that they can both work off. Amtrak, time-wise, is ahead of Metro North’s schedule
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Re: RFP for new locomotives

Postby Backshophoss » Thu Jul 05, 2018 7:31 pm

What's not mentioned is LIRR,believe they are piggybacking on the MN order,the tweaks for LIRR will be their ATC/ACSES setup instead
what MN uses for their ATC/ACSES setup.
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Re: RFP for new locomotives

Postby DutchRailnut » Thu Jul 05, 2018 8:02 pm

all 3 versions will need to get emergency egress for tunnels
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Re: RFP for new locomotives

Postby mtuandrew » Thu Jul 05, 2018 11:25 pm

What do you suppose the differences would be?

Amtrak: I-ETMS; larger fuel tank; greater HEP capacity?; higher gear ratio perhaps; engine restroom differences?
LIRR: lower axle weight?; slightly different ACSES version
MNRR: over-running shoes; ??
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Re: RFP for new locomotives

Postby Backshophoss » Fri Jul 06, 2018 12:56 am

MN and LIRR cab signals are some what different,LIRR ASC has 1 aspect not used by MN,ACSES setup roughly the same for both.
MN uses underrunning 3rd rail shoes,LIRR uses overrunning 3rd rail shoes
Amtrak's Dual modes will be set up with Shoe beams to work with LIRR OR MN 3rd as needed,Cab Signal and ACSES setup for MN and NEC.
Not sure of the roof is low enough to install the "Antenna Farm" needed for I-ETMS.
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Re: RFP for new locomotives

Postby DutchRailnut » Fri Jul 06, 2018 6:30 am

The Dual modes would not need half * you guys mention, they would only operate in same area the dual modes run currently .
as for third rail mechanism's expect a variant of the M-8 shoes as they are compatible with both LIRR and Metro North third rail, just no beam.
Both Genesis and charger have a 1 Mw HEP inverter, they can not go larger as car wiring can not handle more than 1 Mw.
Larger fuel tank ?? not likely as weight of locomotives is close to maximum and 1800 gallons is sufficient for daily needs.
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Re: RFP for new locomotives

Postby Matt Johnson » Fri Jul 06, 2018 10:54 am

mtuandrew wrote:What do you suppose the differences would be?

Amtrak: I-ETMS; larger fuel tank; greater HEP capacity?; higher gear ratio perhaps; engine restroom differences?
LIRR: lower axle weight?; slightly different ACSES version
MNRR: over-running shoes; ??


I seem to recall someone saying that Siemens could offer Amtrak a 110 mph dual mode Charger variant, but had trouble meeting the specs for 125 mph. I wonder if they settled on 110 (which is realistically the fastest they'll go anyway).
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Re: RFP for new locomotives

Postby jcepler1 » Fri Jul 06, 2018 11:37 am

Would Amtrak run with the 3rd rail in all of Metro-North's electrified territory? Or is this just for emergencies that force them into Grand Central? What are they doing this summer?
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Re: RFP for new locomotives

Postby DutchRailnut » Fri Jul 06, 2018 11:43 am

the last post is like predicting future , whatever unit purchased would set its capabilities and limitations .
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Re: RFP for new locomotives

Postby mtuandrew » Sat Jul 07, 2018 2:48 pm

jcepler1 wrote:Would Amtrak run with the 3rd rail in all of Metro-North's electrified territory?

They historically haven’t, but if the electric rates are right, they could. That would kind of be nice to see.
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Re: RFP for new locomotives

Postby DutchRailnut » Sat Jul 07, 2018 8:10 pm

Keep in mind running in electric puts a tremendous stress on cars electrical systems , shutting down HVAC system every 3/4 mile because of a gap would only in long run, fail cars to reset and go hot , making passengers very unhappy .
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Re: RFP for new locomotives

Postby mtuandrew » Sun Jul 08, 2018 10:47 am

DutchRailnut wrote:Keep in mind running in electric puts a tremendous stress on cars electrical systems , shutting down HVAC system every 3/4 mile because of a gap would only in long run, fail cars to reset and go hot , making passengers very unhappy .

What does MNRR do to avoid that problem (and also the problem of electrical outlets losing power), and are Amtrak’s cars also equipped to handle intermittent HEP? Having Amtrak run diesel on a third-rail line doesn’t bother me a ton with the newest Tier IV environmental standards, I’m just curious at this point.
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Re: RFP for new locomotives

Postby DutchRailnut » Sun Jul 08, 2018 3:14 pm

other than terminal itself the MN trains run only in electric till slightly beyond tunnel on rail with no gaps . Running in electric beyond CP4 is only done in emergencies and needs permission from operations center.
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Re: RFP for new locomotives

Postby ExCon90 » Mon Jul 09, 2018 2:18 pm

Is Track 1 still without third rail? That would hamper flexibility.
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Re: RFP for new locomotives

Postby R36 Combine Coach » Mon Jul 09, 2018 3:31 pm

Could BBD introduce a third rail version of the ALP45, or even a tri-mode (diesel, wire, third rail)?
Since my friend continues to chain smoke nonstop, she is probably an Alco.
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