Thursday, October 3, 2013

Burning tires and oildrums


                                                                                                                                                                               

I had the plan to build some interesting barriers suitable for World War II, modern and near future settings. Suddenly came the idea to do something burning, because I couldn't remind to be done very often other modellers or by any manufacturer. I had some experince with fire and smoke already and so I gave it a try.

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I searched the WWW and found this pictures as references:
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Recently I cast some different tyres and some open topped and battered oildrums in resin. These were the perfect basis to do some burning barriers.
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I started with the casts and began with the first testpieces. The fire were sculpted with Pro Create, a selfhardening modelling clay I often use.
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With these done I wondered if I could build a mould and get the models cast in resin. I was afraid of either to damage the mould while unmoulding the masters or to get to much airbubbles when casting the fine peaks of the fire in resin because I use singlesided moulds without preasure or vacuum. But to my astonishment everything went quite well.
The results can be seen in the next pictures:
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The next step was painting the casts. After priming in black (Humbrol emailcolor) I first painted the oildrum with my proofed rust-technique. A short tutorial can be found here.
The fire was painted with acrylic colors, starting with a mix of white and yellow as a basecoat. Then followed yellow, orange, orange-red, red, darkred and finally  black. I used my references as a guide. I painted the lighter yellow colors in the dents and at the bottom. The darker reds and some black was painted on the raised areas and at the peaks.
The smoke is done with some kind of white cotton woll for filters (floss). This had been spraypainted in a dark grey with a black color from a spraycan. The intensity of the differences in coloring and the transparency can be achieved by uncompressing the foss.
The next pictures show three versions of the first finished burning oildrums:
On the left: the unpainted cast
In the middle: a painted version with the smoke simply glued to the cast with whiteglue (Ponal)
On the right: another painted version with additional flames being added as desribed here.

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And a detailshot:
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For the burnung tyres the paintingtechnique was the same as descibed above. The tyres had been painted in a very dark grey first. Then dry pigments in a dust color had been applied with a brush, especially in the treats. Then followed a careful drybrush with a middlegrey on the raised areas of the treats. The base was simply drybrushed with different brown and sand colors.
The next pictures show three versions of the first finished burning tyres:
On the left: the unpainted cast
In the middle: a painted version with the smoke simply glued to the cast with whiteglue (Ponal)
On the right: another painted version with additional flames being added as described here.

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And a detailshot:
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And finally (at least for now) I add some pictures with some WiP shots of the next and bigger piece with burning tyres:
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First update:  
I finished the 4 masters of the burning barrels and decided to give the small bases for better stableness. I also built an additionel base with some jerrycans, and some bricks from sponge rubber.
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I also finished and actually cast the next models of the burning tyres barricades. In the next pictures you can see four different sized pieces (eight parts). The two bigger ones are multipart pieces because I wanted them to don't look too compact but still make them castable.
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Second update:  
I painted the 4 pieces of the burning tyres and did a step-by-step paintingguide about this process:

The first step was priming. I used email-colors from Humbrol and Revell - white for the flames and black for the tyres and the base.
Hint: Next time I will prime the whole model with a white spraypaint. Spraypainting is much faster than brushwork and it is much easyer to paint black upon white than the other way round.

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I started painting with the fire. If not other stated I use acrylic colors. The first color was a light yellow, (50:50 yellow/white). This color goes to the parts where the fire has its greatest heat - at the bottom and in the dents.
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The next color was a bright yellow. This was painted all over the fire, only to let some areas of the light yellow remain in the dents.
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The next color was an orange. This was painted on the upper and raised areas of the fire. The yellow remains visible on the lower parts and in the dents.
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The next color was a bright red. This again was painted on the upper and raised areas of the fire. Orange should become the dominant color, so I tryed not to overdo with the red.
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The darkest color of the fire was a very dark red (50/50 dark red/black). This  was carefully painted on the upper peaks of the fire.
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The last step on the fire was a light yellow again. I realised that this color wasn't recognisable. I only painted this color in the dents and at the bottom of the fire.  This gave a good impression of heat and I was satisfied with the overall look of the fire.
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Then I proceeded with the tyres and the base:
I repainted all tyres with different tones of dark and middle grey.
The bases where painted in a dark brown.
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In a last step I used my dry pigments (Weatheringpowder from NOCH) with pigment fixer from MIG to fill the dents in the tyre treats with a dustcolor. After mixing the pigments with the fixer I applied a wash to the tyres. After drying I removed the pigments with a brush and a bit of the fixer.
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Pictures of the finished pieces:
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The future warriors in the next pictures are 28mm from em4 (former Grenadier) by Marc Copplestone and show the size of the barricades.
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And here in an other arrangement.
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And some detail shots:
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The smoke in the next pictures is done with some kind of white cotton woll for filters (floss). This had been spraypainted in a dark grey with a black color from a spraycan. It is simply placed behind or on top of the burning tyres.
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