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4mm/00 Falcon Brass ROD, building the firebox.


5XP

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Well the house is coming along but we currently don't have a roof as the roofers are unable to start re slating due to the weather so we only have a draughty piece of green felt covering the roof.:unsure:

Even with all the disruption as well as working on the house my self in the evenings I'm still making time to work on the ROD.

 

The firebox took a bit of work but really wasn't difficult and with a bit of patience went together OK.

The first picture shows the firebox wrapper and the two formers, the left hand former is four etches sweated together to make the Belpaire front and the left hand former is just a single etch that goes against the cab but forms the rear shape of the firebox.

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This pictures shows the four etches sweated together after shaping to form the Belpaire front.

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These next series of pictures shows the firebox wrapper being soldered around the formers while being shaped at the same time:

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The soldering finished before cleaning up:

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With the cleaning up done the holes for the washout plugs were marked out and drilled before being soldered in place:

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More to come later,

 

Darren.

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The firebox sequence pics are interesting (and useful), but I'm surprised you were able to form those top curves without any pre-bending. When I tried that, the brass 'flattened' a bit between the formers. Anyway, very neat work, but the mudhole covers do look rather overscale to me - not that I'm familiar with the prototype.

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When I tried that, the brass 'flattened' a bit between the formers.

 

Ha that is a common complaint - me2 - I've even tried annealing the brass but that doesn't seem to help as it is pretty soft quality anyway.

 

I guess these days the washouts would be pre-etched to save all the potential of drilling out of alignment and to make the "kit" less of a scratch aid.

 

Anyway, you have made a pretty impressive job of it

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Thanks Miss Prism/Kenton..:blush:

 

Yes I have to agree the mudhole covers do appear a little over scale and as I'm somewhat short of time I just used what came in the box.

They do look worse than they should in that photo as I hadn't yet got around to cleaning up the solder.

They do protrude on the prototype but perhaps not as much as this.

 

As for the firebox I was in two minds as to annealing it but as the etch is only about 10 thou thick I just got on with it by pressing it down on a wooden block and rolling it while the soldering iron was applied.

I too have had mixed results with firebox wrappers but I seem to have got the hang of it now. (I hope!)

 

Darren.

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