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Hornby Ringfield Replacement CD Motor & Adaptor 12V Kit (HA6/12MM/Bo-Bo)

(1 customer review)

£16.75

Out of stock

Description

Please Note: At present, we are only able to source suitable motors with 5mm shafts. This means that you will have to remove the redundant bronze bushing, whereas previously it was optional.

A brand new OO Gauge Hornby ringfield motor conversion kit for most Bo-Bo models, comprising:

    • a replacement high torque can motor,
    • computer-designed 3D-printed adaptor,
    • 2 x gears (one spare),
    • a motor insulator,
    • retainer clips, and
    • 2 x lengths of heat shrink tubing.

This kit currently uses a D/V 9.0 motor with internal components designed for up to 14Vdc. Comprehensive testing confirms that it performs reliably without voltage dropping, so no diodes are required for either DC or DCC usage, and CV5/CV6 programming is optional (depending on your preferred running characteristics).

As with all of our Hornby kits, the conversion process can be fully reversible depending how you choose to install it, 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

Need for speed?

This motor kit is suitable for 12 volt usage and whilst it’s the best option for most situations, it will run a little slower than our 6 volt motor kits.  Those seeking the fastest possible speeds for HST sets etc. may still prefer our 6V upgrade kit with a diode voltage dropper.

Compatibility

Our HA6 adaptor is designed for use with most Bo-Bo models. It should be compatible with a wide range of ringfield motor versions of the UK outline models, but we cannot guarantee compatibility with every model. The following list is provided for guidance – if there is any doubt, please contact us to discuss your requirements before placing an order.

Compatible with: 

    • Class 25
    • Class 26
    • Class 29
    • Class 33
    • Class 35
    • Class 42 (Warships)
    • Class 43 (HST)
    • Class 73
    • Class 86
    • Class 91
    • Advanced Passenger Train (APT)
    • Most Diesel Multiple Units (DMUs)

Not compatible with:

    • Hornby silver seal ringfield motors

Note: Hornby produced a wide range of ringfield models, some with subtle differences in design, and we have been unable to test every single variation in person. These lists are based on both physical testing of models and careful assessment of photographs for those we do not have access to. They are not exhaustive.

We have developed the adaptor to accommodate many of the different different casting details found on  ringfield models. However, very occasionally light filing of the adaptor or the bogie may be required to perfect the fit. Please refer to our detailed installation booklet for specific fitting instructions.

★ For our Hornby 10mm/Co-Co/Tender-Drive adaptors, please click here.

Product Video

Disclaimer

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.

Additional information

Weight 50 g

Usage Advice

1.  Our replacement motors are high quality 12v DC motors designed for CD/DVD drives. The output from a DCC decoder or a DC controller can exceed their voltage rating depending on how hard hard the loco is being worked. Whilst our own tests (and those of many others before us) show that these motors are capable of handling voltages higher than their rating, 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.

Instructions

The following instruction manuals are available for this product:

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Instructions for Hornby Ringfield Motor Upgrade Kits (HA1, HA2 & HA6) 3.13 MB 1729 downloads

Step-by-step instructions for our Hornby HA1, HA2 & HA6 ringfield motor upgrade...
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Hornby Replacement Motor Kits Troubleshooting Guidance (OO/HO Gauge) 241.96 KB 310 downloads

We have prepared a troubleshooting guide to address some of the rare, but potential...
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Ringfield Motor Upgrade Kit Label 1.65 MB 384 downloads

Product label. ...
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Ringfield Motor Upgrade Kit Product Leaflet & Advice 8.84 MB 448 downloads

Product overview and usage advice. Last revised: 15 April 2021. ...

1 review for Hornby Ringfield Replacement CD Motor & Adaptor 12V Kit (HA6/12MM/Bo-Bo)

5.0
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  1. Robert C. (verified owner)

    Verified reviewVerified review - view originalExternal link

    A wonderful way to breathe new life into my old Hornby Mallard. I’ve been a user of Strathpeffer Junction’s Lima kits for a while now and these new Hornby ones are a great addition to the range. They need a little bit more work than the Lima ones but they’re still very easy to use and still don’t take long at all to fit. I use these with a digital chip and because they are 12v I don’t need diodes which simplifies the wiring. Well worth it!!

    6 out of 6 people found this helpful. Was this review helpful to you?
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    • Strathpeffer Junction (store manager)

      Thank you very much for your wonderful review, Robert. And thank you also for being a valued repeat customer!

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