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Slowing the Forney
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 Posted: Thu Dec 19th, 2013 12:12 pm
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2foot6
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I have two Bachmann Forneys with sound,my issue is they will not crawl slowly on setting 1 on the DCC controller.Have tried various CV changes on cv 2 ,3,4 but same result.Is there an easy fix or do I need to change the sound decoder(it won't happen)cheers Peter.:old dude::doh:



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 Posted: Thu Dec 19th, 2013 02:00 pm
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Bernd
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Peter,

Sounds more like you need a gearing change. Unfortunately it entails an engine tear down.

Bernd

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 Posted: Thu Dec 19th, 2013 03:24 pm
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W C Greene
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Beware of changing gears in these Bachmann locos. I don't know whether NWSL makes any replacement gears that are better but the manufacturer surely doesn't offer any such thing. Maybe someone like Bernd would make new gears? Sorry to say this (well not really sorry) but the locos run very well on regular old DC and if you had pulse on that ancient power pack, they will indeed crawl very nicely. Oh yes... when perverted (converted) to r/c with onboard batteries, one will crawl just fine.
Well, you just had to ask...

Woodie



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 Posted: Thu Dec 19th, 2013 05:55 pm
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Milocomarty
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Did you set your dcc controller to 128 speedsteps ?



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 Posted: Thu Dec 19th, 2013 05:56 pm
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Milocomarty
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Manual :http://www.soundtraxx.com/manuals/tsunamisteam_users_guide.pdf



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 Posted: Thu Dec 19th, 2013 06:12 pm
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Bernd
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W C Greene wrote:  Maybe someone like Bernd would make new gears? Well, you just had to ask...

Woodie


I'd use one of these  with R/C and battery power. Much easier than making gears.;)

Bernd

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 Posted: Fri Dec 20th, 2013 04:21 am
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W C Greene
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Great idea Bernd. A nice, slick looking unit. I imagine it would fit into the loco OK?

Woodie



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 Posted: Fri Dec 20th, 2013 09:58 am
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Lost Creek RR
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Peter.
Before you go to drastic measures and change gears and stuff. Download the JMRI stuff and get to learn how to program your DCC locos in Decoder pro. Once you identify your sound decoder make and model and set up your programing track etc ( if not done already) you can manage all sorts of sounds and operating parameters of your loco's. Sound level, chuff, rod clank on coast, whistle, momentum and speed plus a host of other items. Well worth the time and effort to learn how to use this free program developed by lovers of all things to do with operating our DCC locos as they should.
Rod.

Last edited on Fri Dec 20th, 2013 09:59 am by Lost Creek RR

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 Posted: Fri Dec 20th, 2013 11:28 am
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2foot6
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Hi Rod,I have the programming track and have played around with the parameters of the decoder,BUT IT WILL NOT CRAWL.I,m thinking I will try a diode or two on the motor to change the voltage the motor will start moving on.When the weather cools down I will first try changing the ullenbrock controller to percentage control for a test to see if it fixes the problem........... Peter:brill::old dude:



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 Posted: Tue Jan 7th, 2014 04:29 am
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2foot6
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IT'S FIXED ,finally got the Forney to crawl,as per Martins suggestion ,I changed the programming to 128 steps,what a difference.It took 55 minutes to crawl 186 feet on setting two,so I can get it to go a little slower on step one.(that's for another day)Thanks everyone for your suggestion.....cheers Peter.:doh::rah::rah::rah:



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