Re: 107 First Test Run
| November 21, 2020 02:57PM |
|
mosslake Wrote:
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> MU is a handy option to have, but as pointed out,
> current weight restrictions diminish it's
> usefulness. But still, I wonder if the Alcos are
> compatible with the new power?
MU between differing Makers has been standardised since the beginning of the 1970's, prior to that different MU receptacles were used, currently the 27-Pin is standard, there are some variations in the wiring of that specifically to certain Railroads and Locomotive orders for such for controlling accessories in consists.
Our NZR 1979 DF (GMD GL22MC) had one build order with dual MU receptacles and 4-pipe(vs conventional 3) to allow operation with existing English Electric loco's.
Outside of that, there should be no reason that the new Pup's could not control a MLW in multiple, unless this manufacturer has messed up. It would be incredibly short-sighted to build new units with incompatible or custom MU given these may very well end up somewhere else in their lives.
Fun fact: if you know your wiring schematic, it is possible to lift the lid and jump certain pin numbers that will then cause the unit(s) to "do things"
My favourite trick was to put the unit(s) into notch 8 while "someone" was having a sleep in the cab, at 0300-ish.... while I stood on the cowcatcher steps out of sight. Freaky stuff!
.PC disclaimer. You can't release the air from the jumpercable socket in case someone is thinking of being irresponsible, shenanigans was part of the job...once.
-------------------------------------------------------
> MU is a handy option to have, but as pointed out,
> current weight restrictions diminish it's
> usefulness. But still, I wonder if the Alcos are
> compatible with the new power?
MU between differing Makers has been standardised since the beginning of the 1970's, prior to that different MU receptacles were used, currently the 27-Pin is standard, there are some variations in the wiring of that specifically to certain Railroads and Locomotive orders for such for controlling accessories in consists.
Our NZR 1979 DF (GMD GL22MC) had one build order with dual MU receptacles and 4-pipe(vs conventional 3) to allow operation with existing English Electric loco's.
Outside of that, there should be no reason that the new Pup's could not control a MLW in multiple, unless this manufacturer has messed up. It would be incredibly short-sighted to build new units with incompatible or custom MU given these may very well end up somewhere else in their lives.
Fun fact: if you know your wiring schematic, it is possible to lift the lid and jump certain pin numbers that will then cause the unit(s) to "do things"
My favourite trick was to put the unit(s) into notch 8 while "someone" was having a sleep in the cab, at 0300-ish.... while I stood on the cowcatcher steps out of sight. Freaky stuff!
.PC disclaimer. You can't release the air from the jumpercable socket in case someone is thinking of being irresponsible, shenanigans was part of the job...once.
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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter
The NGDF was started by Don Richter and is currently operated in his memory by Nathan Holmes and others. Others who have contributed to the upkeep of this board are (in no particular order): Charles McCandless, Everett Lueck, Ted Wilton, Cole Adams, James Bane, John Moellmer, Jon Bentz, Linn Moedinger, lloyd lehrer, Rod Jensen, John Craft, Steven Forney, Herb Kelsey, Bill Ramaley, Russ Sperry (El Russo Loco), Josh McNeal, John West, Jim Armstrong, Bob Bergstrom, Greg Scholl, Blake Forbes Doug van Veelen and Mark Fuller.