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.

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Lima Ringfield Replacement CD Motor & Adaptor Kit (LA3B/Small Loco)

£12.95

Only 5 left in stock

Description

A brand new OO Gauge ringfield motor conversion kit, specially designed for small Lima locos where our normal kits won’t fit, including Class 08/09 diesel shunter, GWR 45xx Prairie and some other 0-6-0 models.

This kit comprises:

    • a Mabuchi 9mm thick 6Vdc high torque can motor,
    • computer-designed 3D-printed adaptor,
    • 2 x 8-tooth gears (one spare), and
    • a length of heat shrink tubing.

This kit requires no permanent adaptation to be made to the motor bogie and therefore the original ringfield (pancake) motor can be reinstalled at any time; the motor, adaptor and/or gear can be replaced with ease, if ever the need arises.

Please note: This is the smallest Lima replacement motor that we supply. We recommend that this kit is not used in models that will see heavy use or will be expected to haul long rakes or coaches etc. Marketed as a ‘lighter use’ option, it’s best suited to locos that see less frequent outings.

Read more about our ringfield adaptor kits here: www.strathpefferjunction.com/ringfieldadaptors

Compatibility

We have tested the adaptor in UK outline models marked with an asterisk below. Based on visual assessment, this adaptor should also work with all ringfield models listed. Very occasionally, light sanding may be required around the lugs to ensure clearance.

Class 08 diesel shunter*
Class 09 diesel shunter*
GWR 45xx Prairie*
GWR 94xx Pannier Tank
LNER J50 Tank
Lima TGV

★ For our 12mm/Bo-Bo Lima adaptors, please click here.
★ For our 10mm/Co-Co Lima adaptors, please click here.

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. Listing images are provided for illustrative purposes only and the specific make, size, specifics, colour etc. of a product or components may change without notice due to availability.

Additional information

Weight 24 g

Usage Advice

1.  Our replacement motors are low-noise 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 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 Small Loco (incl. Class 08/09 & Prairie) Lima Ringfield Motor Upgrade Kit (LA3) 759.76 KB 129 downloads

Step-by-step instructions for our Small Loco (incl. Class 08/09 and GWR Prairie)...
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Lima Replacement Motor Kits Troubleshooting Guidance (OO/HO) 276.46 KB 252 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 279 downloads

Product label. ...
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Ringfield Motor Upgrade Kit Product Leaflet & Advice 4.60 MB 285 downloads

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

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