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Message Icon Topic: Gobo on a black traveller(Topic Closed Topic Closed) Post Reply Post New Topic
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Kim L.
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bullet Topic: Gobo on a black traveller
    Posted: 2/14/09 at 8:29am
We need a New York Street Scene for a small portion of the musical we are doing. Instead of making marquis signs, I would like to use a gobo of a street scene, shined on the black traveller curtain. I have never used a gobo before. Can I shine it on a curtain with ripples in it instead of a flat screen? Will the audience be able to see that this is a NY street scene? I can't afford to rent a scrim. Also, is it difficult to use a gobo or relatively simple?
Kim
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David McCall
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bullet Posted: 2/14/09 at 10:57am
To use gobos you need a decent ellipsoidal spot and a gobo holder and a gobo. Typically a gobo is a thin piece of stainless steel with cutouts in the shape of whatever you want to project. Examples can be found at 
 
It most likely won't look that great on a black curtain, or any curtain that has fullness. It will be a pretty dim image too. Another issue is that the image will be distorted and only part of it will be in focus if the light isn't pretty square to the projection surface. Older (and newer cheap ellipsoidal) cause a lot of damage to the gobos and cause them to warp which limits how in focus you can get the image.
 
You might be better off with a "cut-out" skyline. If you put some lights behind the cutout, that will give a little light along the horizon.
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