Dave's 4mm scale Industrial Loco Workshop.

Dave

Western Thunderer
To paraphrase custom car builder Dave Kindig; Scratchbuilding isn't easy, but if it was easy everyone would be doing it and then it wouldn't be cool.

I'd say this one is finished.
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It's surprisingly quiet in operation. I have had N20s that have been very noisy, but this one is very quiet. It pulls well, too. I coupled it to 10x21t minerals, plus the 240g dead weight of a Planet Industrials Victory 0-6-0T and it pulled the lot.

I will take a break from building locomotives for a while. I want to finish Blacker Lane and to get Harboro Stone up and running again. There's also the small matter of building the layout for this thing to run on, which is a nothing but a bare baseboard at the moment.
 

paulc

Western Thunderer
I tried that but with Loctite instead of Araldite. It actually worked and I managed to hand file the flare.
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It's a chimney, but not the right chimney. A forum member has very kindly offered to make me a proper one.
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1814 had at least 3 chimneys in its life. Firstly the short one, then what appears to be a taller Manning Wardle chimney and finally a tall replacement that was its last and appears to have been fitted to either a new boiler or at least a new, welded, smokebox.
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The last but one photo, with the cylinders and slide bars on, ought to have come after this one.
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The cylinder ends and motion brackets are made from 18 thou. hard brass, the slide bars from 30 thou. nickel silver and the strange bits are the piston glands or whatever. The extra bit is there to give something to hold in pliers whilst filing them to be a good fit in the slide bars. It was sawn off after the part was soldered into the slide bars.

The slide bars are made overly long so that the part on the left sticks out beyond the motion bracket and keeps the bars to gauge until they are soldered into the motion bracket. The excess is then sawn off, leaving two bars soldered in and lined up.
Loctite is just a brand name like Hoover . What type of Loctite did you use ?
 

Dave

Western Thunderer
I have changed the title again. This time to reflect that it's not all scratchbuilding.

The current project was started before the Manning Wardle on page one and is a 325HP Hunslet diesel-hydraulic. The model is intended to run on my Blacker Lane layout and represents w/n 7410 of 1976. It is a Judith Edge kit that requires modification to represent this particular prototype.

7410 was the last true industrial locomotive to work at British Oak Disposal Point but I think the very last trains there were worked by 08870 that was hired in from BR. I saw 7410 work trains in and out of the site just a few months before it closed in 1993.
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Crossing Blacker Lane on the way to collect empties at the exchange sidings.
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All pretty straightforward up to this point.
 

Herb Garden

Western Thunderer
I have changed the title again. This time to reflect that it's not all scratchbuilding.

The current project was started before the Manning Wardle on page one and is a 325HP Hunslet diesel-hydraulic. The model is intended to run on my Blacker Lane layout and represents w/n 7410 of 1976. It is a Judith Edge kit that requires modification to represent this particular prototype.

7410 was the last true industrial locomotive to work at British Oak Disposal Point but I think the very last trains there were worked by 08870 that was hired in from BR. I saw 7410 work trains in and out of the site just a few months before it closed in 1993.
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Crossing Blacker Lane on the way to collect empties at the exchange sidings.
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All pretty straightforward up to this point.
Lovely locos and lovely kits. I've built the 0-4-0 version and I do like how well they drop together
 

Dave

Western Thunderer
The kit doesn't cater for detail variations but they are mentioned in the text and photos that go with the instructions. One variation on these Hunslets was a very thick running plate and 7410 was one that had that feature. I soldered brass strip around the edges of the valances and buffer beams in an attempt to represent this.
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It was only after adding the strip that I realised that the running plate overhangs the buffers at both ends on 7410 but the kit has the overhang only on the long bonnet end.

Another difference in 7410 and the kit is that the wheels are different. The edges/tyres/rims, whatever are thicker on 7410 and the balance weights are larger, leaving a far smaller gap between the weight and the wheel boss.

This is a wheel with the kit balance weight laid on. It looks very different to what can be seen in the photos of 7410.
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Dave

Western Thunderer
I made some plasticard circles and balance weights to overlay onto the wheels. They're not perfect but at "normal viewing distances", and with a bit of weathering, they'll be alright. Better than leaving the wheels as they were, anyway.
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The rolling chassis works with power applied to the motor. There is no provision made in the kit for compensation so I have altered it myself. It's not proper compensation but does allow for the undulations in my trackwork. I elongated the centre axle hole to allow the axle to move +/- 0.5mm or so and didn't put any bearings in the axle holes. The centre crank pin holes were opened out in the rods but no bushes are used, allowing plenty of movement of the centre wheelset independent from the other rods and wheels. A piece of foam between the motor and axle provides just enough springing to keep the centre wheelset in contact with the rails.
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I cut out one of the frame stretchers and replaced it with some scrap etch in order to use a different gearbox than suggested in the instructions.
This is to allow the motor to sit low and save space in the bodywork for weight and DCC gear.
 

Dave

Western Thunderer
Another minor detail on the particular prototype that I am modelling is that the HUNSLET plates were missing from the bodywork at both ends when it worked at British Oak. The missing plates revealed openings that are not in the kit parts as it is intended that the provided plates are fitted.
I have already decided not to use the mesh that is provided for the side vents and that is in the radiator opening end, so I have made new ends to replace the kit parts. I have some very fine mesh somewhere (need to find it!) that came out of an old-fashioned diesel filter. It is about to scale and much finer than the kit mesh.
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Dave

Western Thunderer
It's not far off receiving a coat of etch primer. I had to make an extension to the running plate for the fuel tank end. The kit prototype didn't have the running plate extending over the buffers at that end and only had it at the engine end. The handrails are different, too. 7410 had more of them and so I have had to drill a lot of holes in the cab and will have to make the rails from scratch.
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There are parts provided for air-braked prototypes but 7410 had a different air compressor housing to that provided and so I had to make my own.
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It still needs windscreen wipers and horn on the bodywork. The buffer beams need buffers, jacking points and reinforcing plates around the hole for the drawhook but these will have to be added after the beams are painted and striped. There's also the glazing of the cab; a job that I hate. It's far easier to glaze steam engine cabs!
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They're not small locomotives these Hunslets. Slightly longer than a BR Class 08 and the same weight, so the model needs to have enough weight to allow it to pull the same number of wagons as a Bachmann 08.
 

Dave

Western Thunderer
I haven't finished the Hunslet yet but am already thinking about the next project.

This Hattons Barclay came to me minus cab and although I do have a spare cab, what would be the point in having just another bog standard model?
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I'm going to use it as a basis for this:
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Barclay W/n694 of 1891. I believe this was the first 0-6-0 that Andrew Barclay built.
 
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