c.smith10 Posted July 12, 2012 Share Posted July 12, 2012 Whats is a good way to reproduce oil streaks on a model? cheers Link to comment Share on other sites More sharing options...
pigsty Posted July 12, 2012 Share Posted July 12, 2012 I rely on Tamiya X19 Smoke - absolutely brilliant stuff, grey with just the right hint of brown. Thin it a little, especially if it's a bit elderly. Alternatives are oil paints, watercolours, and washes. There are some specialist products now (eg from AK) that are designed to give that grimy petrochemical look straight from the bottle, although many are aimed at armour. Link to comment Share on other sites More sharing options...
Parabat Posted July 12, 2012 Share Posted July 12, 2012 I used a mixture of grey and burnt umber umber water soluble oils. I thinned them down and tried them on a test bed plane first. I used a thin brush to brush on the thinned mix and where required wiped off drying residue to achieve the 'stain'. Have a lookat photos for referencing esp to replicate the effects of airflow, it's not always a straight line... Link to comment Share on other sites More sharing options...
pte1643 Posted July 12, 2012 Share Posted July 12, 2012 I have a bottle of AK Fuel Stains. Works quite well, but is also quite subtle, so you need to keep adding it until you get to where you want to be. Link to comment Share on other sites More sharing options...
hovis Posted July 18, 2012 Share Posted July 18, 2012 (edited) I put a very very small dot of oil paint, burnt umber, burnt sienna or whatever, at the place on the model where the oil leak originates, then just using a clean finger I wipe the oil paint in the direction of the air flow. Edited July 18, 2012 by hovis Link to comment Share on other sites More sharing options...
Phil Podmore Posted July 18, 2012 Share Posted July 18, 2012 I moisten a brush with a natural lubricant and dip it into sanded charcoal, this creates a nice dark grey smudge, which i then brush in the direction of airflow Link to comment Share on other sites More sharing options...
thx6667 Posted July 18, 2012 Share Posted July 18, 2012 Black/brown oil paint mix with a touch of varnish to take away the opacity. The AK pre formulated paints are very similar. Link to comment Share on other sites More sharing options...
Muller Posted August 1, 2012 Share Posted August 1, 2012 If you want heavily oil-streaked like the cowling on an F4U for example, black/brown oil lightly thinned on a fine paintbrush. Hold it up to where you want the stain, just touch the tip of the paint brush on the surface and hit it with air from an (empty) airbrush in the direction of the airflow/prop-wash. Practice on a piece of scrap plastic to get the pressure setting right. Link to comment Share on other sites More sharing options...
Enzo the Magnificent Posted August 1, 2012 Share Posted August 1, 2012 Lifecolor Tensochrom Oil Or... next time you make some fresh coffee, squeeze out the grounds and use the highly concentrated coffee to simulate oil. Yhis has the andvantage of making your model smell nice. Link to comment Share on other sites More sharing options...
GordonD Posted August 1, 2012 Share Posted August 1, 2012 Lifecolor Tensochrom OilOr... next time you make some fresh coffee, squeeze out the grounds and use the highly concentrated coffee to simulate oil. Yhis has the andvantage of making your model smell nice. Wake up and smell the model! Link to comment Share on other sites More sharing options...
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