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Scratch building an alternative JGA wagon in 4mm


Andy7
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  • RMweb Gold

I’m wanting to build some alternative JGA wagons (ones Bachmann don’t produce). I have enclosed some pictures of the wagons I want to scratch build. I’m going to make the bodies and either make or adapt the chassis. The bogies are a type I don’t know (I’m not exactly knowledgeable about such things).

Any info on the bogies and where to buy them or any other info such as dimensions or kits (I couldn’t find any) would be much appreciated.

It might well be a long drawn out build but I really would like some. I also might end up buying a 3d printer to print the bogie and other bits required.

The zoomed in bogie photo is of yet another JGA variant but the bogies are the same as the ex RMC orange ones in the other pics that I want to make.

As I say any info would be very helpful.

 

Andy

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The bogies are described in the book on Standard Railway Wagon Co Heywood Works as being Sambre-et-Meuse UIC cast steel Y25 primary suspension bogies fitted with TBL composition brake shoes. These were fitted to the original Hall Aggregates batch HALL 13700-712 later became RMC 13700-712 88T glw built 1984 and the follow on batch of 90T wagons for RMC Peakstone RMC 17201-224.

 

HTH Paul

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  • RMweb Gold

The bogies are described in the book on Standard Railway Wagon Co Heywood Works as being Sambre-et-Meuse UIC cast steel Y25 primary suspension bogies fitted with TBL composition brake shoes. These were fitted to the original Hall Aggregates batch HALL 13700-712 later became RMC 13700-712 88T glw built 1984 and the follow on batch of 90T wagons for RMC Peakstone RMC 17201-224.

 

HTH Paul

Thanks. I have deduced that the bogies are fitted to the Bachmann intermodal wagons of which I have a spare pair. So the bogies are sorted.

Now I could do with some dimensions and ideally a wagon to use as the chassis with tweaks.

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  • RMweb Gold

Iirc Hornby do that bogie under the bogie ballast wagon. As for the body, iirc the n gauge group did a kit of it. Might be worth asking if they have the drawing for it.

That’s a good shout I will try and contact them.

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  • RMweb Gold

The KFA ones do look perfect but not available as spares as far as I can see. Just bought some of these as they were readily available. I can modify the ends to have the cross arms easily enough.

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Hi Andy

 

AFAIK Bachmann cover the Tatrastroj Poprad batch built in Slovakia in 1997.

I have partially built two of the curved Standard Wagon type and a single straight bodied RFS Industries type last Xmas.

 

There is a drawing in the Ian Allan wagons book of the curved type thats to 1:76 scale.

I might have taken photos during the build but I laid out the sole bars (Plastruct) on graph paper and taped them down and glued everything together to ensure they were parallel, I then glued in the vertical ribs/dividers.

 

 

Then after trial and error using a paper template to determine the height of the curved panel (sides) and glued the sides one at a time to the vertical pieces, mine bowed with the liquid poly cement (this was the hardest part!).

 

The ends parts including air brake protection shield, ladder, lugs etc were made using photo reference (Martyn Read and Andy Jupe - thanks gents!).

The bogies were from S-Kits, I think they have Stenson Models etched brass frames. Buffers from S-Kits.

I still haven't done the hopper chutes underneath.

Transfers from John Peck and Railtec.

 

HALL 13700 - 13712 1984 Standard Wagon Heywood curved
 
RMC 17201 - 17224 1986 Standard Wagon curved
 
RMC 17225 - 17249 1990 RFS industries Doncaster straight
 
RMC 19220 - 19246 1997 Tatrastroj Poprad Slovakia Bachmann
 
 
Hope this helps? I built the straight bodied variant using the same technique. Its really important that you get the solebar frame flat and square otherwise the side will be skewed  :banghead:
I found it easier to build the "base" and build upwards.Bogies come last.
 
Ignore the cr#p in the photo I'll see if I can sort out something better.
 
regards
Rich.

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Edited by D9502
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  • RMweb Gold

Wow that’s great help. I think I will make the sides out of aluminium (alloy) which I can roll at work to get the right curve. I also might make the chassis out of alloy.

If I have any questions after I start, I know who I’m coming to!

Yours are looking great btw.

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  • 3 weeks later...
  • RMweb Gold

Bit of an update. I have made all three (complete wagons) main body parts now. Friday I should have the first one finally shaped and fitted to the chassis with the correct bogies fitted.

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  • 2 weeks later...
  • RMweb Gold

The first wagon is nearly finished. Based on the chassis of the Bachmann JGA with lots of mods. I have retained the weights as body to chassis fixings and the massively modified bogies mount on the original points. The wagon is very strong and it really looks the part. It’s been fun and not too taxing but requires plenty of specialist equipment to make in metal like mine. I can’t wait until it’s in primer at the weekend. Just needs all the pipes and hand rails bending and fitting (Friday night job).

Any comments most welcome.

Andy

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Really nice scratchbuild Andy, a rake doesn't look right without the variety!

As for the orange, there's a real variety when you look down a set. Even two of the same style have varying shades. I'd suggest pick a prototype and go lighter/ darker compared to what you already have as required.

 

Jo

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