A brand new OO Gauge Hornby ringfield motor conversion kit, comprising:
- a high-quality replacement 12V motor,
- a computer-designed 3D-printed adaptor,
- a pinion gear, and
- a length of heat shrink tubing.
Unlike some cheaper kits available from other sellers, this kit uses a high-quality, high-torque 12V motor capable of handling the full range of DCC track voltages. No diodes are required for either DC or DCC usage, and CV5/CV6 programming is optional (depending on your preferred running characteristics).
If you’re running a DC layout and would still like to use diodes to reduce the top speed of the motor, you can still do so. We’ve got quick and easy pre-assembled droppers and surface mount (SMD) or through-hole self-assembly kits for sale as separate listings. Please check out our voltage dropper section for options.
As with all of our Lima kits, the conversion process is fully reversible, so the old ringfield (pancake) motor can be reinstalled at any time. The adaptor is also reusable, meaning the motor, adaptor and/or gear can be replaced with ease, if ever the need arises.
Read more about our ringfield adaptor kits here: www.strathpefferjunction.com/ringfieldadaptors
Based on a mixture of testing and visual assessments, this adaptor should work with all Triang / Hornby ‘silver seal’ ringfield motor-powered models. If it doesn’t fit you model, please let us know and we will either provide a refund or, where possible, redesign the adaptor to suit and provide a free replacement.
We can accept no liability or responsibility for any damage or injury occurring from the installation and use of our motor replacement kits. Installation requires modifications and the use of tools, some of which have the potential to damage you and/or you models, as well as other components and equipment. Users must not commence work unless they are confident that they have the skills and experience necessary to complete it successfully, and install these kits and undertake work to their models at their own risk.
1. Our replacement kits use only high quality DC motors that have been comprehensively tested with both DC and DCC track voltages. Whilst the motors will be fine without a voltage dropper for the vast majority of layouts, the output from certain controllers can exceed 12V, depending on make, model and any user voltage output settings (some DCC controllers can can even output in excess if 15V). From our own testing and experience, we are confident that our motor kits are capable of handling voltages higher than the motor rating, however, to be on the safe side, for scenarios where track voltage may be considerably higher than 12V, in order to avoid motor burn-out, prolong motor life and achieve prototypical speeds, we recommend:
- For DC/Analogue use, speeds are kept low manually via the controller and a diode* voltage dropper should be considered in order to reduce voltage going to the motor (as outlined in the instructions);
- For DCC use, speeds are kept low manually via the controller, decoders should have their CV5 value reduced (if available) and, particularly where CV5 adjustment is not available, a diode* voltage dropper should be considered in order to reduce voltage going to the motor (as outlined in the instructions).
2. With all CD-style motor conversions, it is good practice to: i) maintain very high speeds for relatively short periods only, ii) keep running on steep inclines to a minimum, iii) avoid coupled up with excessively long rakes of coaches/wagons, and iv) where less robust 10mm motors are fitted, resist the temptation to fit additional weight to the loco.
3. It is recommended that locomotives fitted with our 3D printed adaptor kits are not run for more than an hour continuously. This is principally to reduce wear on the motor, through a build up in heat.
4. We recommend that locomotives fitted with can-style CD motors are:
- Not run without a DCC decoder as ‘Locomotive 0’ on a DCC model railway layout (this is will lead to over-heating and rapidly ruin the motor), and
- Not placed on the tracks whilst a high frequency track cleaner (such as the Gaugemaster HF-1/HF-2) is in operation. There have been some reports that the frequency can damage the motors, although it is not something that we have tested.
The following instruction manuals are available for this product:
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