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A "Tail" of two "Dogs" Part 4


Dukedog

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It's a case of one step forwards and two steps backwards this week!

 

I've started building the chassis for both locomotives.

While I was waiting for the motor and gears for my clients Bulldog to arrive I pressed on with the chassis for the Dukedog.

Both locos chassis are identical so I had to make sure I didn't get all the bits mixed up!

 

Anyway, after assembling the frames for the Dukedog on a piece of plate glass to ensure all is square and flat.

 

The frames come pre drilled for the axle bearings and frame spacers but, I had to drill my own holes for the brake hangers.

In all fairness though brake hangers and brake shoes are not part of the kit. I just wanted to add the extra detail to mine,

 

Here's the Dukedog's chassis under test.

 

 

blogentry-6768-0-00476900-1352838485_thumb.jpg

 

All seems to be working great in this picture doesn't it?

 

Now using Sods law two minutes after this picture was taken , CLUNK! and the whole thing stopped dead with the ammeter full scale!

There was obviously something major wrong here (understatement!)

It transpires that the quartering of the outside cranks had shifted.

So strip down and fix that another 2 hours work!

Got it all back together and although it runs there is so much end float in the motor shaft/ armature that the chassis would not run smoothly at all.

Nothing for it but to strip it all down and order another motor from Scale link.

Not only that though, I will also need a gearbox and gear set.

Ah well can't win 'em all.

 

Cheers

Frank

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This is interesting Frank. Courtesy of Ebay I've built up a collection of Great Western loco kits - a lot of them are K's too and one of them's a Bulldog. I've now got to start some serious building. Is there any chance I could scrounge a copy of the instructions for the Bulldog please? A technical question too - what brake hangars are you using?

 

Mark

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Thanks for the comment Mark.

I can let you have a copy of the instructions via email in a day or two.or as soon as I can find time to copy them.

 

The brake hangers are from Alan Gibson (I think?) they are moulded plastic so will not cause any short circuits if they accidentally contact the wheel treads,

 

HTH

 

cheers

Frank

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Thank you Frank. I've just taken delivery of a K's Aberdare that I won on Ebay and rather to my surprise it had still got the original outside cranks and pins. On the basis of the box I'd hazard a guess that they're the older Romfords pattern. What type did you use on your Dukedog and how did you get on with them?

 

Mark

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