RailPro > RailPro Specific Help & Discussion

New problem cropped up

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William Brillinger:
Interesting, this video from 2014 mentions the bucking problem...

I had not seen this video before.

G8B4Life:
I had forgotten about that video, one of the first ones I saw when researching RailPro way back when Jacob was first posting about it on the Free-mo group.

The prototype does buck like in the video, especially when starting off. What will make the problem appear worse or better is the choice of couplers. Kadee's with there large amount of slack in the jaws, as used in the video, will make it look very bad. Like a few others here I use Sergents and even though I've seen the bucking it is not anywhere near as bad looking due to the very small amount of slack.

- Tim

KPack:
I use Sergents as well and I feel they make a difference as Tim said.  The very small amount of play in the Sergents allows the locomotives to feel a constant source of drag, whereas with Kadees there is so much slack/bunching back and forth that it can make the locos work hard to compensate for it. 

Regardless, running light will usually cause some bucking and that is normal.  It usually isn't bad until you reach ~18% power, where it becomes more noticeable, then goes away at higher power.  Run a train behind the locomotives and you will little to no bucking at all.

-Kevin

Antoine L.:
I solved my problem.

I set acceleration and deceleration to 8. Ring engineering support otld me values like 4 and 8 usually work best. Also, One of the loco had a loose wire messing with drive. Now they are both working like a charm.

:)

Me happy.

Antoine

William Brillinger:
Excellent News Antoine!

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