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Ash Handling Plant - Scratchbuilding. - More Practical Help - Your Model Railway Club
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 Posted: Sat Jan 15th, 2011 08:51 pm
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Robert
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Another good 'un for the Forum Index Perry.



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 Posted: Sat Jan 15th, 2011 08:53 pm
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Perry
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Cheers, Bob!
:cheers

Perry



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 Posted: Sun Jan 16th, 2011 08:20 am
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Perry
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Working on the assumption that the Rule "No question is too stupid" still applies, I'm going to make myself look completely daft now. :oops:

Serious question: When ash is cleared from the firebox of a loco, what colour is it? I have umpteen photos that show ash, but they're all in black & white! I'm guessing that because of the intesity of the burn, the ash is a very pale grey. Can anyone confirm this for me, please?

I can remember the steam era, but not the colour of the ash. I always came home covered in soot - so I know what colour that is!

Perry




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 Posted: Sun Jan 16th, 2011 08:28 am
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ddolfelin
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It would go darker when 'damped down', Perry.



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 Posted: Sun Jan 16th, 2011 08:46 am
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Perry
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ddolfelin wrote: It would go darker when 'damped down', Perry.
Yes, I appreciate that - thanks - but is it very pale grey when dry - almost white, in fact? I need to know the lightest tone I'm going to want when painting, as it's always best to work from light to dark in my experience.

Perry



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 Posted: Wed Jan 26th, 2011 08:06 am
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Perry
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The cabin interior, including the winch mechanism, etc., was all brush painted and the cabin itself glued in place. Once that was set hard, the remaining short section comprising three pieces of handrail were cut from microstrip and secured in place with tiny touches of tube cement.

The top area and discharge valves are now due for a coat of primer. :thumbs

Perry



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 Posted: Wed Jan 26th, 2011 08:49 am
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shunter1
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Perry wrote: Working on the assumption that the Rule "No question is too stupid" still applies, I'm going to make myself look completely daft now. :oops:

Serious question: When ash is cleared from the firebox of a loco, what colour is it? I have umpteen photos that show ash, but they're all in black & white! I'm guessing that because of the intesity of the burn, the ash is a very pale grey. Can anyone confirm this for me, please?

I can remember the steam era, but not the colour of the ash. I always came home covered in soot - so I know what colour that is!

Perry




Hi Perry. I agree Ash from coal burning is pale. Grey being the predominant colour. Although you will notice slight traces of light brown, spots of black even a slight reddish tinge in the ash many coals have a slight variation in mineral content.

If you burn coal at home? study your stove/fireplace grate it will be close to what you are looking for.:thumbs

regards and goodluck with the paint job.

Derek

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 Posted: Wed Jan 26th, 2011 11:44 am
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Perry
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I want to partially fill the hopper with some material that looks like ash - or that I can make look like ash. I want to be able to build up a bit of a profile or shape so that it looks as though the skip has dumped the ash onto the heap already in the hopper.

I can't fit a false 'floor' with material already stuck to it, because the hoist rails and cable will be in the way. It needs to be some sort of material that I can pour in, shape, and leave to set. I thought about plaster, but am a little concerned about the amount of heat that it gives off when setting. Another possibility is crushed real ash, set with diluted PVA.

Does anyone have any other suggestions as to the material I could use, please?

Perry



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 Posted: Wed Jan 26th, 2011 11:52 am
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owen69
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the crushed real ash seems the best bet,nothing is better than the real thing.
:thumbs:cool:

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 Posted: Wed Jan 26th, 2011 11:56 am
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? powdered cork.



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 Posted: Wed Jan 26th, 2011 11:59 am
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Perry
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owen69 wrote: the crushed real ash seems the best bet,nothing is better than the real thing.
:thumbs:cool:

I wonder what funny looks I'll get if I go to my local preserved steam railway and ask for few grams of ash from their MPD? :shock: I'm up for it, though! :mutley

I can then point out to visitors to my layout that the ash in my ash plant is the real thing, straight from the firebox of a steam loco. :doublethumb

They'll probably think I'm a real saddo who needs to get out more. :shock::mutley:mutley

Perry



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 Posted: Wed Jan 26th, 2011 12:16 pm
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Petermac
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Perry wrote: ....................................................

I can then point out to visitors to my layout that the ash in my ash plant is the real thing, straight from the firebox of a steam loco. :doublethumb

.............................................

I might be inclined to let it cool a little first Perry ...........:roll::roll::mutley:mutley



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 Posted: Wed Jan 26th, 2011 12:24 pm
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Perry
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Very droll! :mutley:mutley:mutley:mutley

Perry



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 Posted: Wed Jan 26th, 2011 12:47 pm
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Perry wrote: I want to partially fill the hopper with some material that looks like ash - or that I can make look like ash. I want to be able to build up a bit of a profile or shape so that it looks as though the skip has dumped the ash onto the heap already in the hopper.

I can't fit a false 'floor' with material already stuck to it, because the hoist rails and cable will be in the way. It needs to be some sort of material that I can pour in, shape, and leave to set. I thought about plaster, but am a little concerned about the amount of heat that it gives off when setting. Another possibility is crushed real ash, set with diluted PVA.

Does anyone have any other suggestions as to the material I could use, please?

Perry


I'd hazard that Chinchilla Dust would do the job, grey very fine, especially if you sieve out the bigger lumps with a coffee/tea strainer.  What's left over is good for ballast.

If it's not fine enough, then send SWMBO out to the shops [You know,...'Woman! Go out and buy me more tobacco and porter, NOW!] and whizz some up in the food processor........................:mutley


Brave Doofer [She's walking the dog........]



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 Posted: Wed Jan 26th, 2011 01:41 pm
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shunter1
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:twisted: He He, You could always use cat litter, The stuff sold in Liddels supermarkets is a nice light grey.

Maybe Doofer,s suggestion  :shock: send your good lady out for it? :pedal

regards and the best of luck.

Derek

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 Posted: Wed Jan 26th, 2011 01:45 pm
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Perry
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All good suggestions. I'm gravitating towards using real ash at the moment, especially as it's free, :thumbs but please keep the suggestions coming.

Thanks guys.

Perry




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 Posted: Wed Jan 26th, 2011 02:37 pm
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ddolfelin
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You could take up pipe smoking.


I had a friend who wanted to begin smoking.
He started with patches.



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 Posted: Fri Jan 28th, 2011 07:32 am
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Perry
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The first couple of coats of a nice 'concrete' grey were airbrushed on yesterday. It's going to be interesting to try to get this plant to look right. The prototype would have been covered in coal-dust and general grime, but would also have a lot of pale-coloured ash on it, so achieving the right balance of light and dark tones might be tricky.

Perry



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 Posted: Fri Jan 28th, 2011 07:33 am
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phill
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Just walk around the streets you find alot of fag ends on the floor, crush them and there is your ash, simples, :thumbs

Phill

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 Posted: Fri Jan 28th, 2011 04:57 pm
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Michael Thornberry
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Hello Perry,
If you have a coal-fire sieve some of the ash that has fallen through the fire-grate and then you are using the "actual stuff" in miniature. Also good for sprinkling around the general locality. I'm looking forward to seeing the results of your painting-spree,
Kind Regards,
Michael Thornberry.

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