RailPro > RailPro Specific Help & Discussion

Chuff Rate. Can it be further adjusted?

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ron045:
I installed RP in an MTH RK steam engine.  In a basic setup I was getting 8 chuffs per revolution.

I decided to hook up the MTH tach reader by connecting the three wires to. 5v+, Com, and the signal wire to the module purple wire.  All my software has been updated in the HC2 and LM-3S-G.

I now get about 4 chuffs per revolution and I like that.  But when starting and stopping the chuffs make noise for a little bit while stopped.

Maybe 2 or 3 chuffs before starting and 2 or 3 chuffs after stopping.

I played with the load and that helped some when stopping, but made the starts worse.

Can this be adjusted somehow?

Thanks.
Ron
[youtube]https://youtu.be/fsZtcp2-4Jk/[youtube]

JRad:
That's about the way it is with the current software.  Unlike nearly every other system, instead of using the input as the only, and absolute trigger for chuff, RP is using the input to get a speed sample. Most of the time RP is still using a software method to time the chuff.

This might be OK in the smaller scales, but in Large Scales it is very noticeable, and annoying!

I came from a much less capable control system combined with Phoenix sound cards.  While the RP sounds are comparable, the chuff timing is not.  I do lots of slow speed operating / switching, and when running Phoenix, I could judge loco speed by sound without looking at the loco. I lost that luxury when converting to RailPro.

I am hopeful that based on feedback, Ring will update the use of the trigger to be an absolute and we will no longer have locos chuffing while standing still!

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