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BR Diagram 1/153 Coal Hopper 24.5t 3d printed

Not a Photo

Smoothest Fine Detail Plastic
BR Diagram 1/153 Coal Hopper 24.5t  3d printed
BR Diagram 1/153 Coal Hopper 24.5t  3d printed

Not a Photo

BR Diagram 1/153 Coal Hopper 24.5t

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3D printed in matte translucent plastic that showcases incredibly fine and intricate details.
Product Description
British Railways 24.5t coal hopper design based on 1/148 HUO but originally fitted with vacuum operated disc brakes on 2 wheels at opposite corners, the other brakes being applied by hand via levers. The arrangment caused some instability in trains mixing these wagons with other types and was eventually removed, but was used again on the more successful air braked coal hoppers. The kit consists of a chassis which includes cosmetic hopper bottom ends, and slots between them into which you can slide fit the gravity-operated couplers (which will need careful cleaning first, to work). The hopper body should then fit into the chassis and keep the couplers in place. I like Parkside Dundas wheels, and I have designed the kit to take these but the back-to-back will be very tight around the bottom of the hopper, and Peco plastic wheels may work better. Finescale 2mm wheels on 14.8 mm axles should be easier still. I will sell these wagons when I have tried one out for myself, and if it all works I plan to offer the other variants of 24.5t hopper too.
UPDATE Parkside Dundas wheels work fine, and I am delighted with how well the vacuum pipe printed, in frosted extreme (smoothest fine) detail plastic. Bending a 2.25mm x 4mm shim of thin packaging platic into the slot in the top of the coupler adds a degree of self-springing to the auto-coupling. Latest version uploaded now has the correct corner shape on the hopper body, and a locating ridge on the hopper bottom ends to help keep the hopper in place in the chassis.
FURTHER UPDATE The locating ridges work a bit too well if anything, so consider filing them down a tad before test assembly as they make the body and chassis quite tricky to separate. I have re-uploaded the model because somehow I left the brake gear off by mistake last time. The only other change is to add pockets for NEM couplings, as an alternative to the self-acting rapido-style ones.
What's in the box:
1.73 x 6.15 x 3.87 cm
Switch to inches
0.68 x 2.42 x 1.52 inches
Switch to cm
Success Rate:
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