Ed, Assuming that you have the scale version of the Am engine with the
normal motor and gears, I would then look to doing a decoder reset.
I've had it happen a couple of times where the engine runs pretty much
full tilt--when reset it's purrs along a switching speeds.
Bob Werre
BobWphoto.com
Pieter wrote:
>
>
> First question is how the engine ran on DC before adding the decoder.
> If it ran ok then, the problem is the decoder programing. If it was
> fast under DC, regearing would be the answer.
>
> I can't help on the details of the programing, although look at "speed
> curves" as one potential solution.
>
> Pieter Roos
>
> Sent from my iPhone
>
> Hi,
>
> I have an American Models GP9 (S scale) that runs at seemly close to
> top speed
>
> with the throttle at less than half power. I've tried to adjust
> CV02,CV06 and
>
> CV05 according to the Digitrax manual but I can't slow the engine
> down. As soon
>
> as I open the throttle, the engine starts and speeds up like a toy
> engine as the
>
> throttle increases. Any suggestions on how to change the CVS or
> otherwise slow
>
> this engine down?
>
> Ed Davis
>
> Stockton
>
>
>
[Non-text portions of this message have been removed]
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