up9018 1st Class Member
 Foreman Posts:113
Send Message
 | | 09/09/2008 6:34 PM |
| | Has anyone put battery power and RC control in a Bachmann 3-truck Shay. I'm interested in using Airwire. What batteries will fit, and can you add a sound in the available space also? | | | |
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Curmudgeon
 Foreman Posts:430
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 | | 09/09/2008 7:17 PM |
| Don't know about airwire, but I have, still running every ops session, the first r/c battery Bachmann Shay. I started saving certain bits that are removed inside the tender several years ago, think I have 50 of them now, so in the last several years I've done 50, most all with sound.
One issue is flicker. Not a problem on older units, but on new ones, Bachmann in their infinite wisdom placed the flicker driver (and smoke unit voltage regulator) on the HUGE pre-Ames Super Socket in the tender, and it has to go. If you use Sierra, you can drive the flicker from that, or buy a Miniatronix driver or some other brand.
I have always used 14.4V, either NiCad or NiMH. | | | |
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up9018 1st Class Member
 Foreman Posts:113
Send Message
 | | 09/09/2008 7:59 PM |
| | Am I correct when I assume the 3-truck shays aren't battery ready? | | | |
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Curmudgeon
 Foreman Posts:430
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 | | 09/09/2008 9:49 PM |
| Sort of. The wires from the third truck to the second are......well.....puny. First one done, by a local, turned on the power and smoke. Logical spot for batteries is in third truck. Throttle and sound in second (fuel bunker) truck area. Same board in fuel bunker as on later 2-truck Shay, goes in the junk box.
I have much better plugs and super-flex wire, the male part is the same pin spacing as the JST plug they used, and will solder right in.
Like with all recent units, seems to take a bit of extra work, but works fine when done. I use incandescent bulbs, 4 or 4.5AH NiMH batteries, Sierra and a 6-amp throttle, since I know from experience a 3-truck Shay on a grade, with a load, can draw more than 4 amps.
Remember to tie down the wires in the fuel bunker as delineated in the review in GR if running track power. | | | |
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Jerry Barnes 1st Class Member Lexington, NE
 Engineer Posts:1011
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 | | 09/10/2008 9:41 AM |
| | Dave IS the man for this! Jerry | | Life is too short to take seriously. | |
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K27_463 1st Class Member
 Brakeman Posts:66
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 | | 09/10/2008 12:04 PM |
| I have converted-with Airwire- a good number of the 3 truck shays and many many dozens of the two truck units with either Airwire or RCS hardware. The three truck unit is a fine loco, and is a perfect candidate for electronics, sound, battery pack -everything- on board. There are some issues with the wire harness that require upgrading, but the loco is certainly one of the smoothest runners when done. Plenty of space for all that is needed with exceptional run times . jonathan/EMW | | | |
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Bill Swindell 1st Class Member Martinez, CA
 Foreman Posts:185
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 | | 09/10/2008 7:09 PM |
| | I also have done a couple of 3 truck Shays and a 2 truck one. All now have AirWire and p-5 for sound. In eavh case, the batteries are 4.5 AH NiMH cells and are installed in the tender. | |

Bill Swindell Martinez, CA | |
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up9018 1st Class Member
 Foreman Posts:113
Send Message
 | | 09/11/2008 8:06 PM |
| | So has anyone done a write-up about how to do this? Preferably with photos. | | | |
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