TVR1707822112 Posted May 23, 2023 Share Posted May 23, 2023 Hi again all,I also own a Hornby 50 (see my previous posts about it on this forum), and am looking to DCC fit it. I have seen a couple of videos on YouTube saying that the belt driven fans can overload decoders, but with them (the belts) still fitted will a Hornby TTS decoder work fine with it or do I need to either:1 Fit a More powerful Bachmann 8 Pin decoder2 Cut fan belts and use Hornby TTS decoderAny Help is appreciated, thank you in advance!Best Wishes Link to comment Share on other sites More sharing options...
ellocoloco Posted May 23, 2023 Share Posted May 23, 2023 Don't know about the 50, but I have three of Hornby's Electrotren 316s - CoCo locos with belt drive fans. Two have lenz Standard Plus and the other a loksound V3.5. No issues at all. I don't see why the fan should cause much of an issue as it will cause minimal extra work for the motor compared to the effort required drive through the gear towers. I would have thought that if Hornby offer a Class 50 TTS decoder, they would have tried it in their own model.I reckon the fans are pretty pointless and as one of mine has started squeaking, it is very close to getting the snip! Link to comment Share on other sites More sharing options...
96RAF Posted May 23, 2023 Share Posted May 23, 2023 I had a Class 56 with belt driven fan powered by a TTS decoder. No problems. Link to comment Share on other sites More sharing options...
ColinB Posted May 24, 2023 Share Posted May 24, 2023 Lenz and LokSound have a higher current rating. The motor can't draw more than its "stall current" so if the stall current of the motor is under 0.5 of an amp then no issues. I think the TTS has a current limit anyway so if it goes slightly over then I suspect the sound will stop first. Link to comment Share on other sites More sharing options...
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