Second time around Posted December 14, 2021 Share Posted December 14, 2021 Just received a Hornby R3171 'Cock o the North' and want to fit a TTS decoder, but there is no space in the loco for the decoder or speaker, and no socket in the tender, is there anything I can do? Link to comment Share on other sites More sharing options...
ColinB Posted December 14, 2021 Share Posted December 14, 2021 There is space because I fitted it to mine. You need to buy a different speaker though. If I remember rightly on mine there is space above the rear wheels to fit a square speaker. I am sure I must have bought it from YouChoos, I think the decoder fits in front of the motor. It is a shame about 3 weeks ago I took mine apart to change the motor to a 5 pole one (Pendolino one if you are interested) and I remember I didn't move it to the tender as I do with a lot of mine. If I get time I will have another look. Link to comment Share on other sites More sharing options...
Chrissaf Posted December 14, 2021 Share Posted December 14, 2021 R3171 is DCC Ready [has an 8 pin socket in the loco]. But it is not a TTS Ready loco [has no official provision for the large round TTS speaker]. Although the service sheet seems to indicate a round speaker mounting moulding in the tender.So your options are ... follow Colin's advice (preferred) and replace the Hornby TTS supplied speaker with a smaller speaker suitable for the loco [fine soldering skills required] OR leave the decoder in the loco and extend the two speaker wires to the tender where the round speaker can be fitted [soldering skills still required]. This second option is not preferred as without some form of micro plug and socket arrangement having permanent wires between loco and tender is not really practicable. Link to comment Share on other sites More sharing options...
rpjallan Posted December 27, 2021 Share Posted December 27, 2021 I took mine apart to change the motor to a 5 pole one (Pendolino one if you are interested. Do you have a part number for that motor by any chance? Link to comment Share on other sites More sharing options...
ColinB Posted December 27, 2021 Share Posted December 27, 2021 The part number for the Pendulino is X9712, you also need to remove the worm drive off and flywheel off your old one. You then remove the twin worm drives off the Pendulino and replace them with the flywheel and worm drive off your old motor. New Modellers had some when I looked at £7.95. Link to comment Share on other sites More sharing options...
Second time around Posted December 31, 2021 Author Share Posted December 31, 2021 Can anyone tell me, at the rear of the motor underneath the fly wheel there is a wire, terminating in a plug of some sort, connecting to nothing.PS. I took your advice and fitted a sugar cube speaker. Link to comment Share on other sites More sharing options...
96RAF Posted December 31, 2021 Share Posted December 31, 2021 Service sheet 401 for the DCC-Ready version as opposed to the TTS-Fitted version indicates the tender whilst having a basic moulding for a speaker, does not have pickups but it does have a recess to fit the matching 4-pin socket usually installed to electrically connect the loco and tender. It may be your phantom plug is a half way house that would allow a TTS tender with pickups to be swapped in for the other tender. Compare SS401 with SS407 TTS version. Link to comment Share on other sites More sharing options...
ColinB Posted December 31, 2021 Share Posted December 31, 2021 When I first bought my one second hand I added pickups to the tender and the 4 pin lead to connect the loco to tender. Adding tender pickups is relatively easy, you just buy the cheapest A1/A3/A4 tender bottom that has pickups, lever out the pickups to put in the P2 tender (which is an A1/A3/A4 one anyway) and throw the rest of the bought tender bottom away. It seems wasteful but I think mine was about £2-50 from Lendons so you are not losing much. Unusually, I didn't put the decoder in the tender, as I normally do, I think it was because I fitted lamps to the loco and with the decoder in the tender it is impossible to do. So although I used the standard Hornby 4 way connector I only used the two other wires for the tender pickups. With pickups in loco and tender it runs much better. I also added a sliver of phosphor bronze to the front bogie to give it extra weight, mine kept derailing on points. Link to comment Share on other sites More sharing options...
olly Posted January 1, 2022 Share Posted January 1, 2022 Has anyone got any pictures of the tts decoder and speaker fitted to this loco?I'm about to try and fit sound to the one I got for Christmas. Link to comment Share on other sites More sharing options...
ColinB Posted January 2, 2022 Share Posted January 2, 2022 Here are some photos of my one. Link to comment Share on other sites More sharing options...
olly Posted January 2, 2022 Share Posted January 2, 2022 thanks, ColinBIt's very useful to have a picture. You've got me tempted to fit the lights now to my p2 Link to comment Share on other sites More sharing options...
96RAF Posted January 2, 2022 Share Posted January 2, 2022 As a general expanded guide to installing TTS to various ready and non ready locos you may wish to have a read of this . . http://www.halton96th.org.uk/ttsdownload.html... unfortunately the link in the document to the very useful Bromsgrove Models installation guides is no longer working due to the owner having personal problems. Link to comment Share on other sites More sharing options...
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