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Why don't you just Drop In?

Posted by Tony Simms , in Technical, Motive Power 15 November 2012 · 1,232 views

New to the roster at Brafferton are two DMUs a Metro Cammell class 101 in green and a Derby Lightweight class 108 in blue (yes I know; blame my lad for the increasing "modernisation"!).

Both require chipping and attention to the wheels to make them suitable for use on Brafferton; 2FS and all that. Previously I have used the wheel turning service for diesels and DMUs and very good it is. However on this occasion I thought I'd give the Association drop in wheelsets a spin. Here is the bit covering the driven wheels. The non-driven are on pinpoints and fairly similar if a little more straightforward.

The wheelsets arrive as thus:

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There is evidence of some glue on the faces and backs and the discs are bare metal. There is no plastic evident as the sets use a cunning anodisation of the axles to effect electrical isolation. First I'll check that this anodisation is effective; very occasionally it has failed to work. In this instance the "1" indicates no electron thingys sneaking across:

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You'll see the axle has several "shoulders" on it supporting the gear and the wheels. This makes the trueness and gauge pretty much a given. However if you're a mistrusting soul (like me) stick an Association bobbin back-to-back in:

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The wheels are then cleaned in anticipation of blacking. I've used a fibreglass brush for many years and as long as you don't snort the fibres or stick the itchy bit in your eye, I reckon they're fairly low risk:

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Similarly Casey's gun blue (which perversely turns most metals a sort of black colour) is okay. As long as you don't drink it:

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A couple of coats applied with a brush and rubbed off with a soft cloth seems to work. You'll notice the axle end is still shiny; presumably the anodisation at work. Once I think they're black enough, a miniscule dot of oil is rubbed on to give a slight sheen:

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Clip the dummy sideframes off the Farish model, and like a dead beetle the motor bogie prepares to shed it's hideous N gauge wheels. Once they're out, you can see that the 2FS ones are just so much more attractive:

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Clip the new wheelsets in. I ease the pick-ups out slightly so that contact is maintained on the back of each wheel. Clip the sideframes back and voila! Oops, forgot to extract that Rapido coupling and insert a Dapol dummy buckeye:

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Right, on with the 101...
  • Like x 11





I must say your son has good taste Tony :D

Brafferton would look even more luvvverly in BR Blue...
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queensquare
Nov 16 2012 01:21
I've got one of those blue 108's. When I was a lad we thought so little of the 'bog units' that we didn't even bother to collect the numbers. Now they make me all nostalgic.
Great post demonstrating just how easy it is to go 2FS these days.

Jerry
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Chris Higgs
Nov 16 2012 15:04
Your lad is only having limited influence then Tony if he is choosing stock that was around when we were all kids.

Now a Bachmann Voyager would be more like it...

Chris
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Chris Higgs
Nov 16 2012 15:07
Jerry,

Obviously you were not very diligent in your spotting. I used to write down the numbers of the loco hauled coaches as well.

And to think I tell my son off for wasting his time away playing Minecraft.

Chris
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Tony Simms
Nov 16 2012 15:20
Yes I used to go all over the place on blue DMUs with my pushbike when I were a lad.

James' own N gauge stuff is a bit more modern, Railfreight type stuff (I think!) The blue DMU is a 2FS compromise bashed out over a beer (and a J2O)...
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backofanenvelope
Nov 17 2012 10:51
Brings back memories of that distinct 'farty' sound that DMU's made when setting off and of clickerty clackying our way to York on these units.. almost tempted to get one.. but......... :D

No maybe if you could get that sound chipped..
T.
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Matt the c stock
Feb 06 2015 22:11

Jerry,

Obviously you were not very diligent in your spotting. I used to write down the numbers of the loco hauled coaches as well.

And to think I tell my son off for wasting his time away playing Minecraft.

Chris

well.tell him to build trains in mine craft then! ;p

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