There are now many types of motors on the market, giving the modeller a good choice of power plants for their models. With the etched type of chassis, it is possible to be able to fit several different sized units into a given locomotive, provided of course that there is enough physical room to accommodate it, within the body of the locomotive. In our kits and on the wheel pack chart we give a suggestion of a type that can be fitted.
It is important to give consideration to the type of work that is to be expected from a model, as to whether it should have the biggest motor possible, to haul long heavy trains, or if it is only going to perform light duties a small motor unit would suffice. In fitting a larger motor, it may be necessary to cut away a large section from under the boiler to accommodate it, thus losing some of the detail. A small motor will allow this detail to remain. So a choice can be made, between a working locomotive, or one that is to be looked at, for its detail. So decide what the models real function is to be.
The motors that we recommend, lean toward the small size, so that maximum detail is obtained from the kit. Therefore if power is required then a bigger motor should be considered.
We supply two motor packs, which come with the motor, mount, gears, axle bushes and instructions. One pack is based on the well known DS10 motor and the other, the D13 unit. The mounts are available separately, as are the ROMFORD gears.
An alternative to the DS10 would be the ANCHORIDGE can motors, TAlO and TA12. The smaller D11 could be used as an alternative to the 013.
The PORTESCAP motor gearboxes are a very popular alternative, to those mentioned above and can be obtained from most good railway shops.
There are three types suitable for 4mm locomotives. They are:- RG4 1219, RG4 1616 and RG4 1624. The first two numbers in the four digits gives the approximate motor diameter and the last two the motor length.
The gearboxes on these motors and the mounts for the motors above are designed to drop down between the chassis frames, with the driving axle passing through the mount or gearbox, thus ensuring that the gears mesh correctly.
Therefore the motors referred to in our kits and literature, are for guidance only and alternatives should be considered especially for large heavy locomotives.
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