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Hornby TTS sound


Austrag

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I got a Hornby TTS fitted chassis to experiment with. I have just finished fitting a lighting kit which works okay. But I don't like the rubber wheels nor do I like the lack of pickups. but I will have to live with that for now. However, the startup is like a kangaroo and is dreadful. Knowing that there are fewer CVs to adjust, can anyone put me on the correct CVs to remove the kangaroo please?

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I got a Hornby TTS fitted chassis to experiment with. I have just finished fitting a lighting kit which works okay. But I don't like the rubber wheels nor do I like the lack of pickups. but I will have to live with that for now. However, the startup is like a kangaroo and is dreadful. Knowing that there are fewer CVs to adjust, can anyone put me on the correct CVs to remove the kangaroo please?

Which chassis is that you've got your hands on.

 

Have you checked in the Hornby website they usually have PDFs for each loco decoder available high will show which CV's you can adjust.

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Hi, it is the class 47 chassis, the latest I believe, the one with the square motor block and DCC fitted. It was split by a dealer and I managed to trawl for the original TTS parts. I have put a black Lima Watermann body on, looks good. I will look for the Hornby PDFs. Thanks.

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That sounds like my TTS fitted P2.

Hornby recommended 3 CV setting changes, which helped a little.

See post 2091 on the P2 thread here for the values.

 

The other thing I did that helped mine was removed the play from the draw bar screw. I cut a thin sliver off the end of the ink tube in a ball point pen. It had about the right inside and outside diameter, and was also soft plastic. That seemed to absorb a lot of the backward and forward play, and that stopped the symptom I guess you mean of kangarooing.

Tom

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Thanks for all of that information. I now have a saved copy of the manual and have adjusted the CVs to a point where it is very good. Now I must finish fitting the lights and run-in the chassis. The lights flicker on the very slowest speed. Best regards

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Thanks for all of that information. I now have a saved copy of the manual and have adjusted the CVs to a point where it is very good. Now I must finish fitting the lights and run-in the chassis. The lights flicker on the very slowest speed. Best regards

 

Hornby recommend using 128 speed steps. Others have reported problem when using 28 or (Argh) 14 speed step control. 

 

Paul

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Hmm, I have an nce setup and can't figure how to get at 128 speed steps, the controller gives me 14 or 28, help needed here please.

CV29 (probably what you mean by "the controller gives me") allows the selection of either 14 steps or 28/128 steps - its a choice between two options, not three options.

 

If you have set CV29 to 28/128 steps (which you should), then which is used depends on your throttle/command station. The decoder will recognise whether the speed instructions are in 28 or 128 and behave accordingly.

 

 

Elsewhere on the PowerCab is a general setting to change between 28 and 128 steps as the commands issued to the track (button in bottom left)

 

 

 

- Nigel

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  • 1 month later...

I have recently bought the Hornby R 3370 King Richard II which has TTS sound and it only has two chuffs per one revolution of the driving wheels. Is it possible to alter the decoder to increase the chuff rate so that there is four chuffs per one revolution of the driving wheels. I've checked the supplied info but there is nothing about altering the chuff rate. I'm using NCE Pro cab for my DCC throttle.

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Lucky I had two 2003 released Kings both of which had aftermarket sound (Howes). So I'll use the other sound decoder I had in KG VI to replace the TTS sound decoder in KR II.

When I put a sound decoder in KGV I wanted the maximum volume from the speaker. So instead of putting the speaker facing down I cut away the coal space and mounted the speaker in it's sound chamber facing up. I drilled a number of tiny holes in the plastic coal load insert and the level of volume is good. I'll do the same to KR II.

The two new Kings I have are a definite improvement on the 2003 release and unlike some people I don't believe in hanging onto older locos as if they're a rare single malt whiskey.  

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