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Author Topic: Full HOBC Train (well a few wagons shorter)  (Read 6803 times)

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Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #90 on: February 14, 2020, 04:19:16 PM »
Must admit would love to see your model in April david

When I complete the entire train I may need to run it on bob Titbury's layout to get it all on.

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #91 on: February 14, 2020, 04:21:26 PM »
A few of us meet Sunday afternoons. Sure we can find a 66 to haul it. Must say it's an unusual model and always look forward to the next

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #92 on: February 14, 2020, 10:34:40 PM »
I have just added a couple of additional wagons, a vacuum ballast cleaner and a match truck which is a barrier wagon to the loco.



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Re: Full HOBC Train (well a few wagons shorter)
« Reply #93 on: February 15, 2020, 01:49:28 PM »
I have decided to re-plan my HOBC.  When I started three years ago I built ten MFS-100 units which although used in the UK for a number of years are not now the primary ballast unit on the latest HOBC.  The current units are MFS-D which can be used on non main lines where as the MFS-100 were found to be too big and were only suitable for main lines.  For this reason I am about to build a second batch of MFS-D units and sell the MFS-100.

I plan to list them on eBay at some point with a cost per unit of around 95, however if any NGF member is interested I am open to offers.  Here are some photos when they were built and the last one shows the addition of the white strips to represent the working lights.

These models are absolutely unique and will look good on any Modern Image Layout.

Please PM me if you are interested.








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Re: Full HOBC Train (well a few wagons shorter)
« Reply #94 on: February 15, 2020, 02:45:32 PM »
Hello
Your MFS-Ds look great sorry for the late response to your last message I was busy with school work for the last few weeks. What did you use for the steps? Also for the hydraulic lines running down the side of the wagons I think I put some holes in the uprights to put them through.

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #95 on: February 15, 2020, 03:39:51 PM »
Hi. you should be getting an advisement from Shapeways for some more MFS-Ds. 

They made up very easily and I have printed my own steps and I am about to draft and print the transfers tonight.  I used 3D printed bogies and a swing coupling bar (see below) and they run very well with this arrangement.

For the final HOBC I'm going to run it with a match truck, eight MFS-Ds in front, Power car. VM-80, HOBC, Power car, and eight MFS-D s at the back and with the two articulated units it will be a 26 wagon train plus locos.  This arrangement will be able to be pulled by two class 66, however I am going to motorise the power cars as well so the HOBC can creep along without a loco attached.




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Re: Full HOBC Train (well a few wagons shorter)
« Reply #96 on: February 16, 2020, 03:39:51 PM »
Just waiting for the varnish to harden.  I will give them a test run later and assuming the varnish has not seeped I'm hoping they will run well. 

I have ordered up another six prints to give me 16 units - eight to hold clean ballast and eight to hold the waste ballast.  I have already made extra parts and transfers.






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Re: Full HOBC Train (well a few wagons shorter)
« Reply #97 on: February 16, 2020, 03:45:38 PM »
Look forward to seeing these in the flesh but not at the venue suggested for a while. An interesting project

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #98 on: February 17, 2020, 12:04:42 AM »

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #99 on: February 17, 2020, 12:15:02 AM »
 Impressive

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #100 on: February 17, 2020, 06:39:55 AM »
that looks amazing.

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #101 on: February 17, 2020, 04:52:33 PM »
They needed quite a lot of weight, about 3" square of lead sheet which fits nicely in the hopper with a suitable topping of Ballast. 

To have empty wagons they would need metal chassis or mill out the underside of the battery boxes and fill them with liquid lead, which I will do with the next batch of six.

The HOBC itself looks to be weighty enough, and the next stage it to simulate the full train of 26 wagons to see how many locos I will need.  I plan to use two locos but if it runs with one I will use a dummy at the rear as this avoids any push pull derailment danger.





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Re: Full HOBC Train (well a few wagons shorter)
« Reply #102 on: February 17, 2020, 06:35:23 PM »
The load test has gone well.  The HOBC needs some weight but not much.

the video shows the complete train with substitutions for wagons still to be built.

On this basis the second loco at the back can be a dummy.


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Re: Full HOBC Train (well a few wagons shorter)
« Reply #103 on: February 17, 2020, 06:44:40 PM »
That looks great
 interesting the amount of lead you have having to put in them.
How have you done the transfers?

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #104 on: February 17, 2020, 06:53:35 PM »
That looks great
 interesting the amount of lead you have having to put in them.
How have you done the transfers?

I used Fox transfers for the coloured items - Network Rail and Danger flashes - and I printed the black and white lettering onto transfer paper.   As for weight they now weigh about the same as similar RTR models almost all of which have weight added.  I will let you know how I get on milling out the underside to add liquid lead, and if it works it might be worth modifying the original CAD.  If I was just running two or three you would not need the weight but not pulling twenty wagons behind.

Once the MFS-Ds were weighted I was pleased just how stable they are, and can be run at full speed.

 

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