New CBH wagons in N scale

 
  nuggles58 Station Master

Location: Western Australia
I have finally got around to making my CBH Western Australian wagons in N scale just in time for the 2013 Perth Model Railway Show.

I did one master then did a casting of it, which I have now casted 10 times so far.
I am currently just finishing off models 7-10.  The most time is taken by getting the overflow end angles right!

Hopefully the pictures come out, if not here are the links to them:
http://home.iprimus.com.au/nuggles58/2013_05220003.JPG
http://home.iprimus.com.au/nuggles58/2013_05220012.JPG

John Rumming



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Location: In my own little 1/87 world
Wow that is something you don't see everyday :)They look great nuggles58
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Mathew Hughes
  Westrail_Q_301 Junior Train Controller

I have finally got around to making my CBH Western Australian wagons in N scale just in time for the 2013 Perth Model Railway Show.

I did one master then did a casting of it, which I have now casted 10 times so far.
I am currently just finishing off models 7-10.  The most time is taken by getting the overflow end angles right!

Hopefully the pictures come out, if not here are the links to them:
http://home.iprimus.com.au/nuggles58/2013_05220003.JPG
http://home.iprimus.com.au/nuggles58/2013_05220012.JPG

John Rumming



nuggles58
Wow, they look terrific. Too bad I won't be at the show this year sadly.

Do you have a couple of CBHs, SCTs or VLs to haul them?

I want to model the same wagons in HO but have nothing to go on. Any tips, tricks, etc? How are yours done?

Cheers

Ned.
  nuggles58 Station Master

Location: Western Australia
Wow, they look terrific. Too bad I won't be at the show this year sadly.

Do you have a couple of CBHs, SCTs or VLs to haul them?

I want to model the same wagons in HO but have nothing to go on. Any tips, tricks, etc? How are yours done?

Cheers

Ned.
Westrail_Q_301
At the show they were a very popular model.  There are videos of them running on YouTube under my user name of nuggles58.
I only finished the 18th wagon of my set Friday night at midnight, and the show was Saturday.
Didn't have CBH loco's yet, but looking at models to modify.  One problem is the real ones have such large wheel diameters! Problem finding a chassis which will match, let alone a body to modify.

Can you guess what the most common question was?
"Do you do them in HO scale?"!  Asked by no less than 20 people.

So I have now started to get the bits and pieces ready, and I now have to hack them to bits and construct the larger version of the wagon.  You have to scratchbuild about 80-85% and use bits from other models, as the model is not like any other model from the shops.  Evergreen strips and Plastruct is my friend!!!  Should be in the master stage shortly I hope!  Then I can start a rubber mold and cast them out.  If all goes well, I may be able to advise better in a month or twos time.

My challenge:  I moved from HO/OO some 28+ years ago, and going from N scale back to HO feels weird as all the dimensions are larger!  
When I walked into the shop and saw the usual blokes, they said N scale is over there as you know.  I said that I am not looking for N scale, but looking for a HO model, which totally confused them!!!  Hahaha!

John Rumming
  Clyde_AT26HC-2M Chief Train Controller

They do look fantastic Nuggles58 and I as well would be interested in some HO scale. The VL's are being produced by Northwest Models and Railmotor Models have the SCT class in the pipe line so that covers the motive side.

A quick question are you using plans to scratchbuild these masters or going off photos?
  nuggles58 Station Master

Location: Western Australia
CBH won't release plans for the wagons, I've asked before. I even had a few friends who work for them, and they can't get even an outline drawing of them. If someone can, that would be great.
So the photo's are all I have to go on.  During a visit to Albany in the south of WA, they come in on the station line and you can get close enough to touch them.
They are 14.5m long, so here is your baseline.  When they were stopped waiting to enter the siding, I took enough photo's to see me through to building them.
I also saw where they sat in relation to the station platform, so when they moved, I had a good idea where the height of them were and measured that.

I did talk to a person at the Perth show that gave me some information, as he works for CBH.  Yes they are in pairs, but the first lot are not in running numbers.
When they got them, they took all of them by truck from the port to the assembly area and put them together.  However, they were putting them in pairs as they were coming in, so no sequence to it.
So you might see wagons 001 and 006 together, and 003 and 018 together in numbers for example. Whereas usually it would be 001 & 002, 003 & 004, etc.
When the later ones came in, they paired up their numbers better.  They are trying to maneuver the early wagons to match them up as they get time.
Also the pairs have 1 even and 1 odd number I was told. The even number is the one without the CBH Group name on and has most of the braking system.  How correct it is I don't know.

I have almost 50 running numbers with their correct check letters at the end which I am using for my decals.  I'm trying to get as many as I can and do different numbers for every wagon I do.

John Rumming
  nuggles58 Station Master

Location: Western Australia
They do look fantastic Nuggles58 and I as well would be interested in some HO scale. The VL's are being produced by Northwest Models and Railmotor Models have the SCT class in the pipe line so that covers the motive side.

A quick question are you using plans to scratchbuild these masters or going off photos?
Clyde_AT26HC-2M
I am currently doing them in HO scale. Next year I will probably try the locos in HO scale as I have already done them in N scale.
The N scale ones can be seen at my website at http://home.iprimus.com.au/nuggles58/ and in the Latest Photo's section you can see the N and HO CBH wagons.

John.
  M636C Minister for Railways

CBH won't release plans for the wagons, I've asked before. I even had a few friends who work for them, and they can't get even an outline drawing of them. If someone can, that would be great.


John Rumming
nuggles58
The builder of the wagons, Bradken has issued a glossy brochure detailing the larger standard gauge wagons class CBHS.

This includes a detailed drawing (side, both ends and underside - well it is a hopper).

If you call 02 4926 8200 (the number on the brochure) they might send you one.

Meanwhile, here are the listed dimensions

Length over couplers 15500 mm
Length over strikers   14976 mm
Length inside            13867 mm
Bogie centres            11600 mm

Width                       2926 mm

Height (to cantrail)     2974 mm (this seems wrong, it must be about 4m at least...)

I think the NG wagons are the same length but lower in height.
They also sit lower on their bogies.

M636C
  M636C Minister for Railways

I've photo enlarged the drawings on the brochure to about 1:50 scale
They look rough, it wasn't a good scan....

However scaling off the drawing based on the dimensioned bogie wheelbase of 1800mm

The overall height (of the CBHS wagons) is 4550 mm This seems OK since they are noticeably taller than the SG locomotives.

The height to the bottom of the cantrail on the side is 3250 mm. This is also the height of the top of the overflow angles on the end.

The 2975 figure might be the height to cantrail of the NG CBHN wagons...

That would make them 275 mm lower than the SG wagons overall, other things being equal.

M636C

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