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Diesel Refuelling Plant - Scratchbuilding. - More Practical Help - Your Model Railway Club
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 Posted: Mon Mar 28th, 2011 08:59 am
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Perry
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Please note, this project was documented during construction and is now presented in it's entirety:

The next little scratchbuilding project is a really easy one.

I'm intending to make a Diesel Refuelling Plant to accompany the storage tanks I built recently. I've had a look around and found a design I rather like.

Due to the nature of this structure, the main platform will be made from card, with details added from plastikard and microstrip, etc.

I have prepared a rough drawing using Google Sketchup 8 to work out the dimensions and proportions. It is not yet complete, but this is the progress so far:






The various boxes and pipes are only very rough guides to where the various components will go. Diameters are far too large in this drawing but will be decided 'by eye' as construction progresses.

First I cut two pieces of 2mm card, 300mm x 50mm, and one piece of 1mm card the same size.

These were laminated with the 1mm piece on top, using PVA adhesive applied with a brush. The two 2mm pieces were glued up first, then clamped in my  homemade gluing clamp for about half an hour. The 1mm piece was then glued onto the top of the other two pieces and the whole lot clamped up again. By giving the glue on the  first two pieces a little while to 'grab' there is less chance of any slippage when the third piece is added.

These three pieces will form the platform upon which all the other details such as the canopies and pumps, etc, will be constructed. It is therefore essential that they have time to dry overnight before any more work is done on them.
 The two canopies were made by cutting four pieces of 0.040" plastikard 80mm x 30mm and joining them in pairs, edge to edge. One side of each pair was propped up onto a 6mm thick piece of wood before fixing with solvent, to give the characteristic angled shape.

One side of the joint was flooded with solvent which was then brushed fairly briskly over the joint. When that had set, the process was repeated on the reverse side.

Four 50mm long pieces of 3mm plastic tube were cut. 'Collars' of 5mm tube were fitted top and bottom and the bases set onto discs of 0.010" plastikard cut with a paper punch. These will form the canopy supports.

These six sub-assemblies will form the basis of the two canopies. Edging strips have yet to be fitted.



Some details will be added to the canopies before they are joined to the supports.
This project is costing me very little as most of the plastic material is out of my scrap box. Likewise, the card is all offcuts. The glues and paints only amount to a few pence, so I guess the whole model cost less than £2. That compares rather favourably with Kinightwing's offering at about £17.00, I think

The end strips were shaped and glued to the upper surfaces of the roof panels.

The main supports were glued to the underside of the roof panels with tube cement. When this had set enough to support the weight of the supports, the roofs were suspended with the supports hanging beneath them. This persuades gravity to help keep the supports vertical. If they are allowed to dry inverted, they invariably lean off to one side or the other. This can't happen when they're hanging!

Everything had to be duplicated as there are two bays.

The fuel pipes, made from scraps of sprue, have been strapped to their supporting uprights. I made the strapping from paper strip held in place with solvent. The lifting eyes have been made and fitted  to each of the two cabinets.

The following photos show the fittings held temporarily in place with some 'White Tack' (like Blue Tack, but white!) so don't be surprised if they're not vertical or slightly out of place.

A general 'full frontal' view:


A closer view of one of the bays:



and finally, an 'aerial' shot:



Once all the various sub-assemblies are fixed in place and painted, I think it will suffice.

There are still the fuel hoses to source and fit, but they can be done later.

All the parts now need to be left for the solvent and glue to set fully before I can do any more to it.
The stand-pipes on this model are made from pieces of scrap sprue. Using a pin-vice, I drilled a 1mm diameter hole in the end of the 'pipe', then opened it out with a slight larger drill bit. I chose this drill bit to suit the core of a piece of single-core electrical wire that I found in the scrap box.
I removed a couple of millimetres of insulation from the end of the wire and plugged it in to the hole I had just drilled. I secured it in place with a spot of CA glue. Then I slipped a short section of 2.5mm diameter heatshrink tube over the join and applied a little bit of heat (VERY carefully!) to shrink it into place.

The wire was bent to the required shape to complete the job.

The following photo shows a completed assembly, together with the constituent parts and my pin-vice to give an idea of size.



The remaining fuel hoses have been made up and small sections of heatshrink tube fitted to each end, simulating the pipe couplers.

Three hoses have been fitted to the stand-pipes and one left coiled on the platform.

The plastikard valve wheels didn't look right, so they have been removed and replaced with some 7mm snap-fasteners.

All the various fixtures and fittings have been glued to the platform with Hafixs Professional Glue. http://www.hafixs.co.uk/products/profglue/index.htmlYou may have seen this product demonstrated at Model Railway Exhibitions. It's not cheap at £10 for 20g, but it's good stuff. It very economical and can be stored in a fridge for years without 'going off'.
I'm going to leave the glue to cure until tomorrow when I am planning a priming session with the airbrush. I have three or four items now waiting to be primed, so it's worth doing them all in one session.


With all the other members of my family out today, I took the opportunity to get the airbrush out.

I use my conservatory as a 'spray-shop' whenever I can, because the light is generally better in there - but not today. It's grim, dull and wet outside and dark  indoors.

It's also cold in the conservatory, not being equipped with central heating. I didn't get the little electric heater going soon enough and that's where I think my problems arose. The paint was too cold and despite thinning it correctly it was reluctant to flow through the airbrush properly. However, I persisted and fiddled about with the airbrush and the paint mix and eventually got the job done.

The Diesel Refuelling Plant now has a nice coat of primer, as do the two ash pits, the Sand Drying Plant and the turntable. I built the turntable from a Peco kit a long time ago and had never got around to painting it. Now it's in the primer stage and I've got an airbrush to use, it shouldn't take too long to do. I had a minor mishap and knocked one small piece off the Refuelling Plant by being clumsy, but no real harm is done. It will soon glue back on once the primer is dry.

I think I need to generate a new 'To Do' list on the computer. That way I can prioritise and move things around until I'm happy with them. I've just got so much in the pipeline at the moment that I'm in danger of missing something altogether or doing it in the wrong order.
As this refuelling plant is to be sited in my MPD at a period that is still dominated by steam, and bearing in mind it's proximity to the coaling plant, I thought it needed a darkish paint job. I recall the retaining walls and other structures around Liverpool Street Station, London, when I was a lad. They were almost entirely black from the smoke and soot.

This then is the result of the paint job.








N.B. Since finishing this project, the fuel hoses have been replaced with some much thinner material as those fitted initially looked far too heavy.
 Perry














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 Posted: Mon Mar 28th, 2011 09:41 am
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Robert
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I don't recall this one before Perry and it certainly isn't in the Index. I do have your diesel storage tanks in there though.



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 Posted: Mon Mar 28th, 2011 09:50 am
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Derbys12
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Looks superb Perry, lot better than the knightwing ones i have yet to do. Are they going to have lighting on them too?..

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 Posted: Mon Mar 28th, 2011 10:14 am
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Perry
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Robert wrote: I don't recall this one before Perry and it certainly isn't in the Index. I do have your diesel storage tanks in there though.
I had saved the write-up as a document on my computer, Bob, but hadn't got around to posting it on here.

Perry



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 Posted: Mon Mar 28th, 2011 10:16 am
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Perry
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Derbys12 wrote: Looks superb Perry, lot better than the knightwing ones i have yet to do. Are they going to have lighting on them too?..
That's a definite maybe! ;-)

I'm making some yard lamps so I may make up a couple to suit this in due course.

They're well down the 'To-Do' list at the moment though, as I have a huge amount of other stuff already on the go.

Perry



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 Posted: Mon Mar 28th, 2011 05:00 pm
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georgejacksongenius
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Lovely stuff as per,Perry!!(no,that's not me stuttering!!):mutley

:pathead

Cheers,John.B.:thumbs

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 Posted: Mon Mar 28th, 2011 06:25 pm
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Petermac
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Now that does look impressive Perry :thumbs

There are loads of ideas there that can be adapted for use elsewhere - some of them even for steam era layouts !!! :shock::roll:

The more I see of your work, the more I realise I need a bigger "bits box" !!!  :cheers - and that's even before I start trying to acquire the necessary skills. :roll:



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 Posted: Mon Mar 28th, 2011 08:01 pm
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Robert
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I made one of those too but I'm afraid it had nothing to do with reality, and of course it wasn't made with Perry's flair and eye for detail.



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 Posted: Mon Mar 28th, 2011 08:34 pm
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sparky
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Looking very nice Perry. Look forward to the finished job.  :thumbs



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 Posted: Tue Mar 29th, 2011 07:56 am
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Perry
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Robert wrote: I made one of those too but I'm afraid it had nothing to do with reality, and of course it wasn't made with Perry's flair and eye for detail.
:oops::oops:

As a matter of fact, Bob, it was yours that inspired me to build this one. :thumbs

Perry



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 Posted: Tue Mar 29th, 2011 08:37 am
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phill
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Thats a lovelyng point i fueling point Perry. Its looks very much like  a GWR one to me :thumbs:mutley

Phill

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 Posted: Fri Oct 28th, 2011 07:40 pm
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ronrail
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Nice one of my next projects for Abbey Road.

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 Posted: Sat Oct 29th, 2011 08:26 am
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Perry
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:doublethumb

Perry



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 Posted: Tue Nov 1st, 2011 12:37 am
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Ianbo
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Really impressive Perry.

I'd really like one myself, I think yours is great but have always been advised to model the prototype and not another model so, are there any scale drawings or good photographs about?  



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 Posted: Wed Nov 2nd, 2011 07:51 am
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Perry
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Mine was a freelance model but to some degree it was 'inspired' by the Knightwing kit. I just wanted something that looked more or less right and wasn't too worried about absolute prototypical accuracy. I think that lots of structures on the railways vary from place to place, so there may not be a 'typical' design.

A quick search of Google images hasn't turned up too much that would be helpful. You may have more success than I did.

Perry



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 Posted: Wed Nov 2nd, 2011 08:03 pm
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Ianbo
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Thanks Perry I have had very little luck on google or anywhere else, anyway thanks again.



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 Posted: Fri Nov 4th, 2011 01:36 pm
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trisonic
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A very nice, doable project. Thanks for sharing it!

Best, Pete.

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 Posted: Tue Nov 8th, 2011 11:45 am
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A great little project Perry! It is tools out time now rather than buying the Knightwing kit, thanks

Cheers Steve

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