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Product Description
The Clayton Equipment CBD90 is a 90 tonne Bo-Bo battery-diesel hybrid-power shunting locomotive. Its batteries can be charged from a 3-phase supply or the on-board, low-emission diesel engine. Clayton CBD90s are capable of moving 2,500 tonnes and are the largest locomotives built in the UK for over 20 years.
In 2019 Tata Steel UK placed an initial order for three CBD90 locomotives for its Port Talbot works in Wales and two further locomotives were delivered in July 2021. Variants of this design have subsequently been ordered by Beacon Rail (15) and Sellafield Ltd (3).
Some prototype photographs can be found on Flickr .
NOTES
Shapeways' recommendations for cleaning, preparing and finishing Fine Detail Plastics can be found here.
These body-shella are designed to fit the Kato 11-105(/106/107) chassis and are a snug fit, so some careful filing might be required to sit it properly on the chassis.
Two alternative body-shells are available:
Original TATA Steel design. Choose SMALL
Beacon Rail redesign. Choose MEDIUM.
Sellafield design (CBD80). Choose MEDIUM print but disregard printed bogie parts and use original Kato 11-107 bogies unchanged.
Buffer beams and bogie parts are are printed around and within the body-shell and can be carefully snapped away with tweezers. Handrails are printed within and around the bodyshell at the minimum thickness supported. Stronger etched nickel-silver Guard Rails from N Brass Locos might also be suitable.
Join printed parts to each-other using cyanoacrylic adhesive (eg Superglue).
CHASSIS - After fixing the motor and brown contact PCB in place with epoxy adhesive eg Araldite, (taking care to avoid getting adhesive on the copper contact strips), the Kato motor cover can be discarded and the rounded box moulding removed from the bottom of the chassis. The chassis side walls and hooks should then be cut down to footplate level. (See photograph)
BOGIES - Detail should be cut from the faces of the Kato bogies, reducing their overall width to 15mm so that printed bogie side plates hang flush, straight and vertical. Assemble the printed bogie fronts and sides then slide them onto to the Kato bogies. Once a good fit is established, add the back beams and secure the assembled structures to the Kato bogies with epoxy adhesive.
The T-shaped ends of the long couplings supplied might need careful filing to insert and operate smoothly in the Kato coupling pockets. Removing ~1mm from the ends of the spring-locating pegs within the coupling pockets will make fitting simpler.
Adding 15-25 grams of additional weight to this model will greatly improve its traction.
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