Athearn Genesis SW1500 Tsunami 2 Momentum settings

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T

tdipaul

Active Member
Hi I picked up this new engine the other day.
The accel cv set to 255 (the max?) and the engine still accelerates too rapidly from a dead stop.
Decel CV is set to 150 and that works well for me.
Is there some other CV that will slow down acceleration?

I also have another Athearn G with Tsunami 2, a GpP38-2, and when set to 150/100 it is fantastic and realistic!
 


My almost 20 year Prodigy Express cab has SV, ACC and DEC as its opening programming selections.
I never touch SV
ACC is set to 255
DEC is now set to 200
 
Nothing, it was already at 1.

It is now running protypically perfect (to me) by doing the following...
  • cv212 from 255 to 220. This got rid of the lurchiness that was occurring in notch 1 and 2. Thought I got a lemon unit, but no.
  • cv114 to 2 for more aggressive engine sound changes within the steps. Now it notches out (to 8) by step 10/28 which is fine since I'm running this switcher only in the lower steps (1-6 usually)
  • accel cv to 240
  • decel cv to 210
  • cv5/medium to 45 and cv6/max to 110 to slow it down
  • For some reason it had "645 8 cyl non-turbo" selected so changed it to "645 v12 non-turbo" which I believe is standard issue for a SW1500. I love the changeable engine feature on these models!
  • Master sound level turned down to 35.
For $169 at Trainworld, I'd say this a fantastic bargain for an engine with Tsunami 2... it just needs a few electronic tweaks.

 
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