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Skips and stones...fiddling with gouache


Steadfast

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I've managed to get a bit of modelling in today, with both my dummy 67 and my autoballasters hitting the kitchen table today for a dunk in the gouache.

Anyone who's not come across this stuff before - it's ace, give it ago! Gouache is a type of paint that's similar to Artist's acrylic, but able to be re-wetted and re-worked once they are dry. This makes them great for rust streaking and subtle dirt streaks for example. It was Martin (Pugsley) who first introduced these to me via a workbench thread on a previous RMweb, and they really are good once you get used to them!

The 67 has had its base weathering applied for some time (airbrushed Tamiya and Railmatch), but today I finally got round to adding to it with some gouache. Some of the colour changes are so subtle, they look great to the eye, but the camera doesn't pick them up well. I might have a go tomorrow if it's sunny and I can find time between F1 and my birthday

Oh, by the way, clicking the pics will make them nice and big ;)

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These first two are a general overview which shows the overall state of the loco. It looks suitably grubby and unwashed, but not filthy :lol: There are several bits I want to add to or alter now I've seen the photos, but that's the joy of Gouache!

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Both ends of the skip highlighting the variation in shade, at the exhaust end the dirt tends to wash down the cab front, especially if the loco spends weeks coupled to a mk2 without a clean. The cabside shot tries to hightlight the streaking and dirt, but as I've already said, a lot of it is hard to see in a photo.

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Side on shot of 67026. When this is varnished to seal the gouache, I'm going to try masking the wiper arcs

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Here's another 67 on the FGW working I'm modelling, I've based the weathering on this one amongst others

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3 of my 5 Autoballasters. The weathering on these is mostly Games Workshop acrylics, though I'll be airbrushing a light coat of Railmatch sleeper grime on the lower bits and bogies, and some Tamiya Hull Red (rust!) to blend the slightly brush-marky weathering together. Bleached bone has been stippled on top of the rust in places to tone it back, and give a different effect to the raw paint applied.

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Please excuse the peeling transfer on the generator! The rust spots on the canopy and exhaust are both good examples of why I love working with gouache - once you start playing you don't want to stop! I haven't payed too much attention to the interior as it'll be getting a load of ballast. The prototype photo is one of several I've been working from purely for the canopy and shows the effect I'm aiming for, albeit mine's a little more rusty

That's it for now, not sure when I'll get chance to do more to these and update - soon hopefully, as the JJAs have been on the go for nearly 2 years!

jo

8 Comments


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hi the autoballasters in particular look very good, the rust effect with the gouache is very convincing, and i totally agree about using it, its great for weathering and if you don't like what you've done just wipe off and start again!

Chris

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I've still not tried gouache myself, I've always found I can get the effects I'm after with enamel without the need for a sealing coat - but looks like you've got some fantastic results there Jo - especially given this is N! Lovely! Definitely another weathering technique I must try...

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Thanks for the comments guys - I'm still experimenting with gouache myself, sometimes it works, others it doesn't, but it is nice and forgiving :D

James, what I've found with the gouache is because of the streaking effect, you can get a line thinner than a brush stroke, so in N it's actually easier than enamels. I used to be a 100% enamel person, but I've diversified, though I still swear by Railmatch enamel for spraying. Dad said to me earlier about dirt varying with scale and the 67 looking right - the subtle shade and tone variation is unachievable in other media, at least for me, so it's well worth having a play

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  • RMweb Gold

Really nice work Jo,

 

I love the 67-think you've captured her just right with the subtle approach to the weathering.

 

Look forwards to more installments.

 

Mark

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There I was admiring your handiwork when James has to go and mention that this is N gauge. Blimey :blink: ... now that is good. The effects acheived look very interesting; the applciation of rust spots then streaked as if washed by rain is great.... this is something that I've used before but not on models - similar process in painting (a painting) using opaque watercolour to the same effects. Ah, jolly good... a new technique to try. Thanks for posting and sharing these great images.

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  • RMweb Gold

Agreed - some excellent work Jo - I especially like the autoballasters - very convincing - Pete

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Good, innit B) B) B)

 

Very impressive Jo, the Autoballasters are looking great, you've observed and recreated the weathering nicely. The 67 is also very good, nice and subtle, and you've already discovered that the Gouache is great for effects that are so subtle you barely notice them.

 

Any chance you'll be taking them to Taunton with you? It'd be great to see them in the flesh.

 

Nice one B) B) B) B) B)

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Thanks for the kind words guys - it helps get the va va voom back when you're struggling to make progress!

Jon - it's always interesting to see how techniques transfer between different applications, be it military, cars, railways or even non modelling all together! Sometimes, something that isn't the prescribed way to do it may seem alien, but works as well, if not better than other techniques. And if you didn't realise it's N, then I'm wowed!:lol:

Martin, some of the washes and streaks you've achieved with gouache in the past have really helped to get my head around the stuff, though there's no substitute to trying it yourself :D I wasn't that impressed when I played a couple of years ago, but I seem to have stumbled across a technique that works for me now. They do seem good for creating a dusty look, like a light spray of poop track dirt on loco sides

Not sure about Taunton yet though, will be in touch;)

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