The big diesels in bits and pieces. The motors powering Hornby Dublo Co-Bo's and Co-Co's

A look at the vertical ringfield motor in the larger Hornby Dublo diesels. Listen to the Fat Controller complain about a bad purchase and the story of getting a motor to run.

[@robinforrest7680]

Lovely solid mechanisms. Looking forward to picking up this springs 4 eBay purchases when home to the Uk this summer. Particularly a Bristol Castle sold as a non runner, though as far as I could see from the photos it’s only problem I’d that the wire between loco and tender is disconnected.

[@thedublorailway3803]

Once you get these things going they are pretty much trouble free but I feel that regular running keeps problems away. I have never seen anything like the solid oil deposit on the Co-Bo's engine. I've just bought an early 8f with a disconnected tender wire. Hoping that just like your Castle it will be plug and play.

[@premikyam2726]

Fascinating footage and a sucessful conclusion to a potentially annoying purchase. Difficult to be believe the vendor sent you the CoBo with seized wheels and a non-standard trailing bogie.
The early CoCo as noted had rivetted couplings and a fixed upper armature bearing plus the screw on side frames.

[@thedublorailway3803]

It's only the second dud in nearly 500 purchases on Ebay. Heading for a happy outcome and I got a video out of it too. The Co-Bo bits will probably make up a non powered unit for the moment. If I can find a "Crepello" body I can assemble a three rail Co-Co chassis in working order to put it on. At some point the Co-Bo will run.

[@nickdoughty518]

I believe that lithium grease should be used on the bevel gears connecting the armature with the worm gears shaft.

[@thedublorailway3803]

Thank you. I will get hold of some.