itydog Posted January 3, 2021 Share Posted January 3, 2021 I have a set of the original of the hst executive in grey with a three pole ringfield motor. I recently had it converted to dcc.It was running ok considering how old it is.I now am finding that it stops and starts,can't cross points and really lacks power.I have put in new brushes and springs ,cleaned the commutator and checked the magnet ( magnet seems to be ok.) I was thinking about having the model converted to a cd drive and getting a stay alive fitted. I have had mixed messages about the conversion - some say it can't be done. Here are some questions that I would really appreciate some help with.Can the model be converted to cd drive, if so where can I get the conversion kit ?If the model can't be converted to cd drive should I fit another ringfield motor and stay alive ?If I go down the ringfield motor route would I see any benefit concerning the stop starting with a 5 pole ringfield motor?Many thanks for any help you can give me. Link to comment Share on other sites More sharing options...
ColinB Posted January 3, 2021 Share Posted January 3, 2021 I have exactly the same model HST that I also converted to DCC, admittedly I converted the motor to a 5 pole, but that will not improve your stopping and starting. I converted to 5 pole as my 3 pole motor was dead and I got a good deal on a 5 pole motor. What you need to do is make the dummy bogie pickup power on both tracks. Currently unless you have modified it, it only picks up power on one side while the motor picks it up from the other side. Peter's Spares were doing upgraded "Dummy" bogies when I was playing with mine which have pickups on both wheels, but I think he has sold them all. What you could do is buy the pickups for a class 90 (Hornby X8786) and modify them, or make some of your own. It is not really worth making the power bogie pickup on both tracks, although the 5 pole motor does, as the traction tyres on one side act as extremely good insulators. Link to comment Share on other sites More sharing options...
96RAF Posted January 3, 2021 Share Posted January 3, 2021 See herehttps://www.strathpefferjunction.com/product-category/ringfield-motor-conversion-kits/ The same site tells how to make your own stay alive and to connect it to a Hornby decoder (soldering skills required for all tasks). Link to comment Share on other sites More sharing options...
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