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Model Railroading > Are all HO train engine decoders created =


Date: 11/13/22 15:24
Are all HO train engine decoders created =
Author: Highhood

I have 2 scaletrains dcc equipped engines and a walthers dcc equipped engine. They go around my layout going
up and down grades at the same rate of speed with or without being hooked up to a consist.

Received my first athearn genesis unit recently and just put it on the track . Unit slows down going up the grade and speeds up going down the grade.
Is this standard for this brand of unit.

Jon Fink
Schenectady, NY



Date: 11/14/22 14:01
Re: Are all HO train engine decoders created =
Author: chakk

Sounds like the Back Electro-Motive Force is not activated on your locomotive that is changing speeds when traveling up and down grades.   As noted on the dccwiki.com webpages: "Back Electro-Motive Force (BEMF) [acts] as a governor. This feature prevents trains from slowing down or speeding up on grades."

Check the manuals that came with your locomotives on how to adjuse BEMF.



Hakk



Date: 11/14/22 14:04
Re: Are all HO train engine decoders created =
Author: wabash2800

If your decoders have this feature...

Victor B.

chakk Wrote:
-------------------------------------------------------
> Sounds like the Back Electro-Motive Force is not
> activated on your locomotive that is changing
> speeds when traveling up and down grades.   As
> noted on the dccwiki.com webpages: "Back
> Electro-Motive Force (BEMF) as a governor. This
> feature prevents trains from slowing down or
> speeding up on grades."
>
> Check the manuals that came with your locomotives
> on how to adjuse BEMF.
>
>
> Hakk



Edited 1 time(s). Last edit at 11/14/22 17:52 by wabash2800.



Date: 11/14/22 14:17
Re: Are all HO train engine decoders created =
Author: SPDRGWfan

wabash2800 Wrote:
-------------------------------------------------------
> If your decoders havet this feature...
>
> Victor B.
>
> chakk Wrote:
> --------------------------------------------------
> -----
> > Sounds like the Back Electro-Motive Force is
> not
> > activated on your locomotive that is changing
> > speeds when traveling up and down grades. 
>  As
> > noted on the dccwiki.com webpages: "Back
> > Electro-Motive Force (BEMF) as a governor.
> This
> > feature prevents trains from slowing down or
> > speeding up on grades."
> >
> > Check the manuals that came with your
> locomotives
> > on how to adjuse BEMF.
> >
> >
> > Hakk

I'm pretty sure the Tsunami decoders have BEMF, but it may need to be turned on.  Tsunami is what comes with Athearn loco's factory equipped, or past few years Tsunami 2.



Date: 11/17/22 08:33
Re: Are all HO train engine decoders created =
Author: BAB

Those fatory installed may not contain all the features of what can be bought off the shelf for that same unit. Why? Ask Soundtraxx.



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