Bachmann 70 ton switcher - Printable Version +- (https://bigbluetrains.com) +-- Forum: Mainline (https://bigbluetrains.com/forumdisplay.php?fid=17) +--- Forum: HO Modeling (https://bigbluetrains.com/forumdisplay.php?fid=21) +--- Thread: Bachmann 70 ton switcher (/showthread.php?tid=8715) |
Bachmann 70 ton switcher - faraway - 06-12-2018 I modified a Bachmann HO GE 70 ton switcher. - Some black and brown wash - Kadee couplers - Removed footboards - Installed prewired SMD 0402 LEDs with 5k6 resistors in the shell - Replaced Bachmann PCB with GE Tsunami 2 - Installed sugar cube speaker in the front of the shell - Added sheets of lead in the top of the hood It is still a noisy engine but the lead in the shell reduces the amplification of the vibrations caused by the drive. I had a "nice" surprise with the sound. A first test run with the Tsunami and the sugar cube installed made the usual factory set loud engine noise. The bell was ok too but the horn damaged the tiny speaker within seconds. It sounds awful after the test drive and I had to replace the sugar cube and delayed the next test run until the volume of the sound had been adjusted. It is always wise to have spare parts in the drawer RE: Bachmann 70 ton switcher - Genetk44 - 06-12-2018 Cool...when do we get to see the video? RE: Bachmann 70 ton switcher - ngauger - 06-12-2018 Looks great! Yeah.....video! RE: Bachmann 70 ton switcher - faraway - 06-13-2018 Thanks for the nice comments. I gave it another try to do a video with the iPhone and upload to Youtube. RE: Bachmann 70 ton switcher - Genetk44 - 06-13-2018 The video came out great ! The loco sounds really good...those Baccky locos are pretty good value for the money and with sound are even better...I’m impressed that you were able to get all the electronics inside of it? Oh...and the sweep views of the layout are great!!! RE: Bachmann 70 ton switcher - Brakie - 06-15-2018 Very nicely done! That 70 Tonner looks like she's seen years of work and still good to go! RE: Bachmann 70 ton switcher - faraway - 06-15-2018 I think Bachmann changed the design of the drive during the last years. Old: I got a bunch of Bachmann's GE 70 tons when I planned to do Modesto & Empire inspired layout. All those drive were awfully loud and I cancelled the project. At that time run the motor axis straight to the trucks. The worm gear on the fixed installed motor axis drove the top tooth wheel. The flexibility of the truck "happened" between worm gear and top tooth wheel. New: The GE 70 ton I got last week and you see on the photos and the video has (very small) cardan shaft like "all" other HO diesel engines. The worm gear is fixed mounted in bearing on top of the trucks. the flexibility "happens" in the cardan shaft as we are used to it. basically the same design as Bachmann uses it on the 45 ton model. I think that is the key to the better drive performance. Anyhow the shell is still a great amplifier of all drive vibrations. The three layers of lead under the hood helped a lot. RE: Bachmann 70 ton switcher - Brakie - 06-15-2018 Reinhard,I notice you use chime horns on your sound.. May I suggest removing the single horn and adding chime horns? I used Atlas GP38 chime horns that I mount on the front of the cab roof. I also added a non working Atlas beacon light.. RE: Bachmann 70 ton switcher - faraway - 06-15-2018 I would prefer to code the correct horn in the decoder. Looking at the model wich is the correct sound I need to match the model's horn? This is a list of available horn sounds of the GE Tsunami 2: Nathan K3LA Nathan K3L Nathan K5HL Nathan K5LA Nathan K5LH Nathan K5LLA Nathan M3 Nathan M5 Nathan P3 Nathan P5 Early Nathan P5 Late Nathan P5A Nathan P5A 3rd Generation Holden M3H Holden K5H Leslie A125 Leslie A125/A200 Combo Leslie A125-3E Leslie A200 Leslie A200/S3L Combo Leslie RS3L Leslie RS5T Leslie S2M Leslie S2M/A200 Combo Leslie S2M/S3L Combo Leslie S3L Leslie S5T Leslie S5T/A200 Combo Wabco A2 Wabco AA2 Wabco E2 (1) Wabco E2 (2) Wabco B Series 2-Chime Wabco 10" Air Whistle Hancock 4700 Air Whistle Rio Grande Southern Galloping Goose "Aoogah" Klaxon Horn Rail Car Horn RE: Bachmann 70 ton switcher - Charlie B - 06-15-2018 The wabco E2 would be fine. I don't know i or 2 https://www.youtube.com/watch?v=hU8bxzJLYXA Charlie RE: Bachmann 70 ton switcher - cnrglen - 06-15-2018 The engine looks great, Reinhardt. I have a 44 toner with a similar drive. It too is a bit on the noisy side, but it did quiet a bit with more running. RE: Bachmann 70 ton switcher - faraway - 06-16-2018 Thanks a lot. Wasco E2 is set. It sounds very mature, more like a ship, for that little switcher. RE: Bachmann 70 ton switcher - Charlie B - 06-16-2018 Reinhard, That horn sounds so bad, it sounds good. I call it a "choking Goat horn". I wanted one for our S1 at the KJR but could never find one. RE: Bachmann 70 ton switcher - Brakie - 06-16-2018 Reinhard,Make sound like she looks a hard working locomotive and not a wimpy thing.. https://www.youtube.com/watch?v=R8Ct1Fq5iuo That horn means business! Look out! Coming though! RE: Bachmann 70 ton switcher - faraway - 06-16-2018 Sounds like serious business indeed! |