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Back to the big Bagnall - paint and detail


Adam

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It's a long road, coming towards an end. That end, of course, being a completed, working, and now painted, locomotive. After the application of a coat of LMS Crimson Lake:

 

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Following detail painting and reassembly, it looks more like this and it's still not quite finished:

 

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By way of a summary, more details can be found in the UK Standard Gauge Industrial part of the forum, or in this earlier blog.The deviations from the kit as designed were:

  • New bunker back (the original was undersize)
  • New smokebox and tank wrappers (smokebox too short in every direction, tank builder error)
  • Piston rods reduced to 'scale' diameter and cylinders sleeved to suit
  • Boiler assembly completely remodelled to get a decent sized motor/flywheel/gearbox combination in - a Mashima 1016 driving Romford 40:1 might have been ok in 1992, but...
  • Numerous minor details which were either not supplied in the kit (couplings, draincocks, reversing lever, etc.) or which I felt could be improved upon (e.g. boiler backhead)

As with all kit built locos, a few additional parts were bought in:

  • Wheels and crankpins - Alan Gibson
  • Motor/Flywheel - Branchlines
  • Gearbox and bearings/hornguides - High Level (nothing wrong with the supplied versions but the High Level ones were more compact - the Impetus versions are now under a Standard 4)

Cosmetic bits:

  • Worksplates - Golden Arrow
  • Nameplates and coupling hooks - AMBIS (the hooks were in stock, top, shackle type links were spares from Masokits screw couplings)
  • Backhead castings - Backwoods Miniatures

All in all it's not been a bad experience as a build. Rather protracted, of course (I started back in 2007, though much of the work was done in the last twelve months), but that was not the fault of the kit.

 

Adam

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That's looking rather nice Adam.

Need to sort that roof though!

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The roof? It does fit better than that, honest! Typical post-photo issues there...

 

Adam

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Well I was surprised to see a gap under there, having been built by a man of your calibre!

I do like industrial engines. Shame the Impetus kits range seems to have disappeared into a black hole as I'd really like a fireless Bagnall a la Marsh Mills for Wheal Elizabeth...

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It's kind of you to say so Andrew and, if I'm honest, I'm not as happy as I might be with the fit of that roof. Still, stripping it and re-doing the clips wouldn't be a huge challenge. It looked fine before it was painted, but I'm not so sure now. Perhaps a new piece of brass with another half-mil' on the side would sort that out properly since I suspect that's the fundamental problem.

 

The Impetus fireless was a Barclay rather than a Bagnall and the Marsh Mills machine was rather sophisticated - enclosed cab, Walscherts valvegear - and a rather late example of the breed. That kit seems to be one of the rarer ones. Pity, because I wouldn't mind one myself.

 

Adam

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I meant Barclay, doh!

I've taken to superglueing a strip of thin black plasticard all the way round the underside of my cab roofs so it sits inside the cab. I did this with the Impetus R&H and the O2. I then glue the roof down with canopy glue (PVA) knowing that if I ever need to remove it, a scalpel blade sliced through should do the trick. Benefit of this is the glue has something to grab hold of rather than a brass to brass join and it acts as a filler too.

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Hmm, interesting, but I'm not convinced by relying on super-glued plastic. You should be able to see, looking at the rear overhang, that the roof isn't quite on straight so the clips (two bits of L section assembled into a right-angled 'Z') clearly aren't properly located but, arguably, that shouldn't be possible. Next time I'm in Somerset, I'll sort it.

 

edit: Apart from anything else, if the motor ever needs to come out (probably only for replacement realistically) the only access requires the removal of the cab roof (and the backhead) and I would rather this was straightforward - any glued joint runs the risk of damage to other paintwork and more effort at putting it right.

 

Adam

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