TrainDad Posted April 2, 2019 Share Posted April 2, 2019 Hi. I'm looking for some simple step by step instructions as to how to increase the max speed of a Hornby TTS fitted A4 using a Hornby Elite controller. My son's Mallard A4 will do a scale speed of 99 mph around the layout I have built for him. Unfortunately the Duchess class loco (I bought for myself) manages to do 106 mph. We are not trying to get to 126 mph, but I need to at least equal or better the Duchess.I've read the Elite manual and done a little online searching but to be honest I'm none the wiser and have found the whole CV stuff confusing. I don't want to stuff/change anything else as the loco runs smoothly otherwise.Any advice would be very much appreciated. Link to comment Share on other sites More sharing options...
jane1707819582 Posted April 2, 2019 Share Posted April 2, 2019 hi as far as i know there is no cv on a tts to allow faster running . Link to comment Share on other sites More sharing options...
96RAF Posted April 2, 2019 Share Posted April 2, 2019 Flat out is flat out...determined model by model from motor revs, gearing and wheel size plus the train load It is pulling....some decoders allow you to trim back the top speed but not the TTS decoder. Link to comment Share on other sites More sharing options...
TrainDad Posted April 2, 2019 Author Share Posted April 2, 2019 Thanks for "speedy" replies to my question. Very much appreciated. OK - so it would appear we're stuck. I had hoped there was something I could do to improve the A4 performance. Incidentally, both speed trails were done with the locos pulling the same rake of coaches (4 x Hornby mk1 and 1 x Lima parcels van) around a 7.3m rectangualar track with 3rd radius curves. Link to comment Share on other sites More sharing options...
96RAF Posted April 2, 2019 Share Posted April 2, 2019 Bit of lubrication may help, but sparingly. Too much is as bad as too little. Also use good light oil, not 3-in-1 or WD-40. Sewing machine oil is OK or use specialist model oils and greases. Link to comment Share on other sites More sharing options...
Chrissaf Posted April 2, 2019 Share Posted April 2, 2019 OK a rhetorical question....an answer is not required. But why on earth would you want to run the locomotives flat out. It is not in my view realistic to watch a train whizzing round a layout at high speed and it must (I would presume) put more stress and wear and tear on the loco, motor and drive-chain.. Link to comment Share on other sites More sharing options...
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