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Author Topic: Full HOBC Train (well a few wagons shorter)  (Read 3121 times)

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Online Snowwolflair

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Full HOBC Train (well a few wagons shorter)
« on: May 07, 2018, 12:44:55 AM »


I just loved this video of a HOBC train (High Output Ballast Cleaner) when I first saw it and whilst there are no N locos, even as a pair, capable of pulling a full train, as most of the wagons are available as 3D prints I decided some time ago I wanted to model it.  The HOBC is available from Modern Image Models as 3D prints and the MFS-100 are available on Shapeways from the Hubert shop. The train will also have a VM80/NR, that's added on occasions, which is a vacuum unit to excavate ballast around points and junctions and this is also available from Modern Image Models.

I will probably have to hand make the PW-RT and NPW-RT power pack cars as no prints are available but these will be straight forward if I can source drawings and the container flat should be straight forward.  This will be a long project but tonight I made a start, and along with this can I express my thanks to Hubert for scaling his 1:160 prints to 1:148 for me.




Offline Newportnobby

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #1 on: May 07, 2018, 09:34:24 AM »
Good grief! :goggleeyes:
That's one helluva length train and says something about the tractive power of a 'Shed'.
Glad you explained what HOBC means, though, as I wouldn't have had a clue :dunce:

Online Bealman

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #2 on: May 07, 2018, 10:04:29 AM »
Me neither.... most interesting!  :thumbsup:
Vision over visibility. Bono, U2.

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #3 on: May 07, 2018, 11:05:11 AM »
This video shows one in action.  Sorry the text is in German but basically it lifts all the ballast under the track separates the big pieces from the debris and returns the good ballast back to the track.  It then tops it up with fresh ballast from the wagons behind and passes the waste ballast forward to empty wagons.


Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #4 on: May 07, 2018, 08:01:48 PM »




Offline kirky

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #5 on: May 08, 2018, 09:52:42 AM »
Wow...
That is going to be one impressive train.

The first video posted shows the HOBC train from Northallerton, so naturally my interest was poked. The video says the train is 2500 + feet long, that is 5 metre long train in N gauge. Given that our layout, Northallerton (see sig) is 7.5m long, in theory we could have this train running on Northalerton and its entire length be on view. It would certainly show up the compromises we made when building the layout. Unfortunately our layout uses a multiple fiddle yard system where the longest train we can accomodate is only half the length of the layout, so about 3 metres in length. still pretty long though. Im well tempted to have a look at this as a possiblity. Having said that, its taken me about three years to build and finish off the track tamper from Moden Image Models.
@Snowwolflair do you have any idea what the finished length will be?
I'll be watching this with interest.

cheers
Kirky
Northallerton is in the August 2018 edition of Raiway Modeller

and in real life at the Normanton and Pontefract exhibition. New College, Park Lane, Pontefract. 26/27th January 2019



Layout: Northallerton: http://www.ngaugeforum.co.uk/SMFN/index.php?topic=1671.msg16930#msg16930

www.northallertonngauge.co.uk

Cleveland Model Railway club website: www.clevelandmrc.club

Online njee20

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #6 on: May 08, 2018, 09:59:28 AM »
IIRC it's symmetrical (with the MIM bit in the middle, cabs facing inward), so you just need to remove a few of the MFS wagons from each end and it can still be prototypical.

Certianly watching this with interest, at 157 for half the 'unit' plus 45 for the decals/wheels/glazing etc and 100 for each pair of MFSs it's far too rich for my blood!

Just over 2000 for a full length set by my quick calculations. Plus a pair of 66s. Eek.

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #7 on: May 08, 2018, 10:08:56 AM »
My plan is to have a train configured as follows.

Loco
VM80
MFS100 x5
NPW-RT
HOBC
PW-RT
MFS100 x5
Support wagon
Loco

So about 10ft, primarily because two locos will struggle with more than 45 bogies worth of wagons.
« Last Edit: May 08, 2018, 10:15:37 AM by Snowwolflair »

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #8 on: May 08, 2018, 10:14:11 AM »
IIRC it's symmetrical (with the MIM bit in the middle, cabs facing inward), so you just need to remove a few of the MFS wagons from each end and it can still be prototypical.

Certianly watching this with interest, at 157 for half the 'unit' plus 45 for the decals/wheels/glazing etc and 100 for each pair of MFSs it's far too rich for my blood!

Just over 2000 for a full length set by my quick calculations. Plus a pair of 66s. Eek.

Its an eating elephants problem, i have been buying the bits a wagon at a time over the last six years. however the PW-RT and NPW-RT don't exist yet.

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #9 on: May 14, 2018, 01:16:44 PM »
I have been assembling the articulated bogies.  A fiddly task and as the bogie frames are FUD they have to be prepared carefully.  I use an axle shaft with an angle flat cut on the tips to act as a reamer.











« Last Edit: May 14, 2018, 01:37:19 PM by Snowwolflair »

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #10 on: May 15, 2018, 01:13:47 AM »
Test fit of prints on bogies which are now complete.  The paintwork is quite involved and will need several coats of paint and a lot of masking, so this was my first chance to put it all together to plan how to go about the next stage.  I have also invested in a second Colas Class 66 to drive the completed train.  For some reason I just don't like the Freightliner green/yellow livery and as Colas has a current contract with Network Rail its more than a rule 1 choice.  Incidentally the MFS-100 below is primarily for continental use and in the UK they use the MFS-D which is shorter, however, there is no reason not to use MFS-100 as its only a matter of time before we upgrade to them.



« Last Edit: May 15, 2018, 01:14:59 AM by Snowwolflair »

Offline weave

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #11 on: May 15, 2018, 07:18:45 AM »
Hi,

Just saw this thread. Very interesting. A great project you have there.

Looking forward to your progress.

I'll go back to my RTR Trainset now  :(

Cheers weave  :beers:

Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #12 on: May 15, 2018, 12:08:36 PM »
Step one to form the steel lining and conveyor of the wagons.  Tamiya spray gunmetal is a very nice metallic and is ether based so can go straight on FUD.  The surface is also gloss and hard so masking should not be a problem. Next step will be to mask the lower sides and spray the conveyor belt which forms the base of the hopper.  The masking tape will need to be cut with templates to fit.  After that dries I can mask the conveyor and start to prepare the bulk yellow.



Online Snowwolflair

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #13 on: May 16, 2018, 03:47:43 PM »
Lots of masking and spraying and now they need to dry and harden.  That's the inner lining of the wagons done.  The next stage is to assemble and paint the chassis, followed by a lot of detailing.



Offline Newportnobby

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Re: Full HOBC Train (well a few wagons shorter)
« Reply #14 on: May 16, 2018, 03:55:28 PM »
I think this is going to look stunning. Top work!

 

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