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CR Dia 25 Lime wagon, part 1


Dave John

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Back at the bench again. The Caledonian built 40 Dia 25 lime wagons from 1886 to 1888. They were essentially a Dia 22 mineral wagon with a roof.

 

 

The CRA do a drawing of it, which gives the wb as 8’6’’.  I don’t think that is correct. The Dia 25 is essentially a Dia 22 mineral wagon with a roof, and they are definitely a 7’9” wb. The Diagram book gives the Dia 25 wb as  7’9” as well.

 

So I scanned in pics of both types of wagon, scaled them to size and superimposed them. Axleboxes and solebars lined up, so I’m going with  7’9” for the Dia 25.

 

That sorted, out with the silhouette and some styrene chopping.

 

 

A couple of pics of progress to date.

 

 

1055676593_d25p11.thumb.JPG.323ec27e50c50b7a64ed5bb50531e709.JPG

 

 

 

 

1410986946_d25p12.thumb.JPG.db50e8a831bf13479d0a4f2afe68fb1c.JPG

 

 

 

 

 

 

 

 

Next I think I will give it a coat of primer then some archers rivets.

Edited by Dave John
pics replaced

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Your scratchbuilt wagons are fantastic and of so many obscure and different diagrams as well, it is great to follow!

 

It looks like your wagon sides are one piece rather than individual planks? What tool do you scribe the surface with in order to get a wide enough recess between the planks?

 

Cheers

 

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29 minutes ago, SVS said:

What tool do you scribe the surface with in order to get a wide enough recess between the planks?

 

Remember that what is being represented here is a 3/8" - 1/2" (or thereabouts) 45 degree chamfer on the top outside edge of each plank - not to be overdone.

 

I've not previously come across a company-owned lime wagon - in England and Wales they were I think universally PO wagons.

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The sides and ends are 20 thou SVS. I arrange them on the silhouette cut in a line. The silhouette will half cut through 20 thou so that gives guide for a home made scrawker cut from a snap off blade.  Straight edge to guide it then a scalpel to clean them up. Once scribed they can just be cut from the sheet. 

 

Good thing about a silhouette is that once designed you can make lots, so I did 3 sets while I was at it. same for the 10 thou metalwork. 

 

There is a lot said about track Caledonian. A long time ago I realised that the only way to create period track is to do it yourself based on the actual dimensions used on the prototype. In my case it took about 18 months, doing a bit every day. Long job, but the end result does look about right. Bear in mind that the layout depicts a station which had only been built 10 years before so I think it would all have been fairly neat and tidy. 

 

Interesting point Compound. The railways needed to move lime about for limewashing livestock wagons and facilities. Lime can be nasty and needs to be kept dry. Was most moved in vans for the railways own use I wonder? Similarly I wonder how much was delivered by rail for construction and chemical use ( though quite a lot of the later seems to have been moved by barge) .

 

The small number of wagons would indicate that it wasn't a large traffic, and they don't seem to have  been replaced with more modern wagons. 

 

 

 

 

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47 minutes ago, Dave John said:

The railways needed to move lime about for limewashing livestock wagons and facilities. Lime can be nasty and needs to be kept dry. Was most moved in vans for the railways own use I wonder? Similarly I wonder how much was delivered by rail for construction and chemical use ( though quite a lot of the later seems to have been moved by barge) .

 

The small number of wagons would indicate that it wasn't a large traffic, and they don't seem to have  been replaced with more modern wagons. 

 

The Midland transported lime in ordinary open wagons, which I presume were sheeted. Whether wagons used for lime had to be set apart - working a dedicated "circuit" - I do not know. Here's on that has lost its load:

 

813492758_DY1043Peckwashresized.jpg.66bbe980eb284c5df4d8960368bdf996.jpg

 

This was an accident at Peckwash Mill Junction in December 1900. A mineral train on a goods loop line ran through signals and out of road. The train was made up of 44 wagons of lime, coal, and limestone, and 5 empties. It would seem that the wagons of lime were marshalled at the front; the driver and firemen were buried in the contents. 

 

Edited by Compound2632
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7 hours ago, Dave John said:

The sides and ends are 20 thou SVS. I arrange them on the silhouette cut in a line. The silhouette will half cut through 20 thou so that gives guide for a home made scrawker cut from a snap off blade.  Straight edge to guide it then a scalpel to clean them up. Once scribed they can just be cut from the sheet. 

 

Good thing about a silhouette is that once designed you can make lots, so I did 3 sets while I was at it. same for the 10 thou metalwork. 

 

Are you saying you scribed the 10thou brass in a silhouette ? Or do you simply mean you did 3 sets of brass at the same time ?

 

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Oh , sorry DGO, I meant the 10 thou styrene parts representing the metalwork on the wagon body. Door hinges , corner plates , coupling plates etc. 

 

The brass bits are 51 L etched brass pre group W irons. 

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