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DJ Kast

Fire light effect

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I read in an issue of AC that for "There Will Be Blood" the gaffer rigged up a box that house numerous peanut bulbs on a circuit that randomly dimmed and flickered. Then he mixed CTO and theatrical reds to augment color. They didn't go into more detail on how it was build, and I was curious if anyone had some ideas on how to get the lights to do this without putting strings of lights on dimmers and have a few guys turning them up and down.

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I don't know how much current they will take, but you can wire a bulb through a fluorescent striker and it will make random flicker. A few of those together looks pretty good.

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You can get flicker generators that both internally generate the flicker which you can set various parameters into them to emulate different types and sizes of flame, but also have a photosensitive sensor that can be used to emulate a fire source that is in frame. I have seen these units capable of handling max loads from 1kva to 5kva.

 

My favorite method of getting this effect is to have a lamp, which is flickering bounced into a suitably sized frame with silver or gold lame' which is being shaken.

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I have found that you don't need much. For me a simple two lamp scenario works well. First lamp on steady with some yellow or Orange gel. Second lamp (small wattage on a flicker gelled with another yellow to orange slightly off from the first.

 

http://www.bluesky-web.com/fire.mov

 

That is the effect of a campfire using the flicker box I sell.

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