Slow Running Locos at Top Speed

[Pierre Le Brun]

My Locos, Dapol Western, Dapol Railcar, Hornby Railcar all seem to have a pedestrian top end speed. My Bachmann Warship is better but not much. All my locos have loksound 5 fitted. I'm using a Gaugemaster Prodigy Express 2 Controller and testing on a Kato track. I've set CV5 at it's max of 255. Is there anything else I can do to improve the top speed? Do I need to alter the Tv value?

[GoingUnderground]

Have you used the "autotune" function to set the Back EMF CVs, section 11.1.4 "Automatic Calibration of the Motor" in the LokSound manual?

[Pierre Le Brun]

1 hour ago, GoingUnderground said:

Have you used the "autotune" function to set the Back EMF CVs, section 11.1.4 "Automatic Calibration of the Motor" in the LokSound manual?

No I haven't, will take a look at the manual. 

[Pierre Le Brun]

33 minutes ago, Pierre Le Brun said:

No I haven't, will take a look at the manual. 

Autotuned using cv54. Will need to check on track. 

[Pierre Le Brun]

Thanks Richard, the Express Parcels Railcar speed is fine.  

[Pierre Le Brun]

12 minutes ago, Richard Croft said:

It'll help on other locos you have too because its common practice to limit the speed 

Thanks, I had more of a problem with my Bachmann Class 43 and Dapol 52 which  were running slowly. I've sorted the class 43  by changing  CV2-2, CV5-255, CV53 - 140, CV54-10, CV55-10. Dapol 52 better at CV5-255.

[Pierre Le Brun]

19 hours ago, Richard Croft said:

It'll help on other locos you have too because its common practice to limit the speed 

I think it may also be perspective issue. I run my locos on an oval of Kato track rather than a model layout. On the oval track locos possibly look slower running than at the same speed on a layout, if that makes sense.