Shutter mechanism for Sodium Lights

Did a job for the Anders Høgli for the theatre performance “En dag i livet” (“A day in life”).

Check out this Grenland Friteater – En dag i livet:

You will notice that two of the pictures have sepia tone instead of colors. This is not photoshopped, but actually how it looks thanks to the use of monochromatic Sodium Lights which are old tunnel street lamps. There was only on problem: They need a long warm up time before reaching full strength.

I therefore made cardboard shutters (the lamps are quite cool so no fire hazard) for all the lamps, to allow quick transitions between the scenes.

All parts of plywood except the small cogwheels made of 10mm teflon I happen to have in my workshop. They are controlled by simply reversing the voltage. End switches in both positions are bypassed with diodes so they only stop on direction.

That’s all. Cheers ❤

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