Welcome to the Strathpeffer Junction shop. UK shipping for OO Gauge ringfield adaptor kit orders is £2.99, irrespective of how many are purchased. We also ship to Ireland, mainland Europe, USA, Canada, Australia and New Zealand (postage to the USA has now doubled in price due to the US government's new tariffs).

+ Update 20 August 2020 +

I am delighted to announce that my wee second man was born safely at the end of July and we're all getting used to him being on the footplate. Scottish Government advice is currently to reduce the contact that new-borns have with the outside world due to Covid-19. For that reason, I will still have to post parcels once a week, but, wherever possible, I will ship non-signed for large letter items twice weekly. I am hoping that towards the end of September I may be able to return to a more regular dispatch pattern. Thank you for your continued support and patience, and also to everyone who has got in touch with their best wishes. It is very much appreciated. Best wishes, David

Hornby Ringfield Replacement 6V CD Motor & Adaptor Kit (HA1/10MM/Co-Co)

(1 customer review)

£15.50

Out of stock

Description

A brand new OO Gauge Hornby ringfield motor conversion kit for most Co-Co and tender-drive steam models, comprising:

    • a replacement 10mm thick 6Vdc high torque can motor,
    • computer-designed 3D-printed adaptor,
    • 2 x 10-tooth gears (one spare),
    • a motor insulator,
    • retainer clips, and
    • a length of heat shrink tubing.

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

Compatibility

Our HA1 adaptor is designed for use with most Co-Co and tender-drive steam 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 lists are provided for guidance – if there is any doubt, please contact us to discuss your requirements before placing an order. 

Compatible with: 

    • Class 37
    • Class 40
    • Class 47
    • Class 52 (Westerns)
    • Class 57
    • Class 59
    • Class 92
    • Most Six-wheel Tender Drive Steam (including most Thomas & Friends Gordon, A1, A3 & A4)
    • Most Eight-wheel Tender Drive Steam

Compatible with modification:

    • Class 2800*
    • Schools Class*
    • Henry the Green Engine
    • Tender drive models with full width axle passing through original face-plate*
Hornby Class 2800 Axle Example
Click image to enlarge

*The kit is compatible with these models, however the hole in the adaptor may have to be widened using a small drill bit or reamer in order to accommodate the axle (shown in blue in the diagram above). Please contact us if you require assistance.  

Not compatible with:

    • Hornby silver seal ringfield motors
    • Class 2P 4-4-0
    • County & Castle Class
    • Dean Goods
    • Class 4F

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 6V Hornby 12mm/Bo-Bo Hornby adaptors, please click here.
★ For our 12V Hornby 12mm/Bo-Bo Hornby 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 6v 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, 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). Some new decoders enable the top voltage sent to the motor to be set via CV57 and, where available, this should be used. 

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 to prevent the motor temperature from exceeding the glass transition temperature of the plastic.

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 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 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 downloads

Product label. ...
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Ringfield Motor Upgrade Kit Product Leaflet & Advice 4.60 MB downloads

Product overview and usage advice. Last revised: 24 March 2020. ...

DCC Use

Our upgrade kits can work really well on a DCC layout, however we strongly recommend that a decoder with CV2/CV5/CV6 functionality is fitted; a decoder with CV57 (motor voltage control) is even better. The functions will enable the starting voltage, top and mid speeds of the motor to be fine tuned (or, in the case of CV57, the voltage to be set) and make prototypical speeds more achievable. In most cases, it will also negate the need for a diode voltage dropper to be installed, although as with most decoder installations, you may still have to spend some time fine tuning CV values to get best possible performance.

Most decoders now have CV2/5/6 functionality as standard, but not all, so it’s wise to check the product manual or specification before buying. CV57 functionality is not yet widespread. Please note that Hornby’s R8249 decoder and their TTS Sound range are examples of decoders that do not have any of these functions onboard. Whilst it is still technically possible to use such decoders with our upgrade kits, it is unlikely that you will be able to achieve the same fine tuned speed characterises that you can with other decoders.

Without the option to alter CVs 2/5/6, you must: a) use a diode voltage dropper to reduce voltage going to the motor, and b) it is likely that you will then have to disable Back EMF and alter acceleration/deceleration CVs to suit. With non-sapphire Hornby decoders, you may also have to switch to motor algorithm 2 and alter the associated P and I parameters, and if it’s a TTS sound decoder, you will also have to change the sound notch triggers to ensure that the sound matches the speed as close as possible.

Altering CVs is almost always a case of trial and error and will be influenced significantly by the locomotive type, length of rake, track layout (incl. the number of inclines) and your own preferences for running characteristics. We strongly advise you to back up your decoder’s CV settings before making changes and to change one CV at a time, then test; changing too many CVs at a time may confuse the overall picture.

Using Hornby’s TTS decoders as an example, we have found the following CV values to work reasonably well for Hornby’s Class 37 (Un-refurbished) TTS decoder. The decoder was installed in a Lima Class 37 upgraded with our LA5 motor kit and our DD3 diode voltage dropper kit:

Configuration Variable (CV) Value Configuration Variable (CV) Value
CV3 30 CV154 20
CV4 30 CV210 12
CV10 1 CV211 5
CV150 1 CV212 20
CV153 50 CV214 40
Note: Speeds steps should be set to 128 in order to provide fine low end control, however it is unlikely that you will ever wish increase speed steps beyond ~30 on the controller, otherwise the speed of the model will be far too fast. You will also have to learn to ‘drive’ the model and apply power carefully to get the train moving, backing off a little when the desired speed is achieved.

As is always the case with CVs, there are so many factors involved, you may well find that different TTS sound decoders, let alone different types of decoder, will required different CV settings and, as such, the values are offered simply as an example and may not suit your own scenario. Where diodes are used alongside a digital decoder, you will also have to learn to ‘drive’ the model and apply power carefully to get the train moving, backing off a little when the desired speed is achieved.

1 review for Hornby Ringfield Replacement 6V CD Motor & Adaptor Kit (HA1/10MM/Co-Co)

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  1. Robert C. (verified owner)

    Verified reviewVerified review - view originalExternal link

    These are an excellent invention. I have used Strathpeffer Junction adaptors in a few of my old lima models and I was one of many I have no doubg hoping that Hornby kits would eventually make an appearance-it was worth the wait! These adaptors are really clever and easy to use and they make the process so quick in comparison to the old hot glue method. Top marks to Strath!

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