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How they do make the lights in Indiana Jones Adventure flicker and dimmed?

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  • [Question] How they do make the lights in Indiana Jones Adventure flicker and dimmed?

    It is interesting to see the lights powered by that awkward noisy gas-powered generator. All those lights inside the temple are dimmed and they flicker a lot. Even, though the temple is lit, it is still dark and those lights flicker a lot. Every hour in each second. The lights themselves turned off less than a second while flickering. A very interesting effect. I also know that generator connects all the lights outside and inside temple.

    But, when the ride is broken, the lights become solid and strong. Instead of being weak and dimmed.

    How they do achieve the great effect?


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  • #2
    Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

    They have special boxes that control the amout of power that goes into each light, or string of lights that makes them get brighter and darker, I'll try and find the name for you.

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    • #3
      Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

      Originally posted by LangenFox View Post
      It is interesting to see the lights powered by that awkward noisy gas-powered generator. All those lights inside the temple are dimmed and they flicker a lot. Even, though the temple is lit, it is still dark and those lights flicker a lot. Every hour in each second. The lights themselves turned off less than a second while flickering. A very interesting effect. I also know that generator connects all the lights outside and inside temple.
      It is a great effect that was probably part of the reason my nephew failed to ride Indy the last two times he walked through. Still my favorite queue at any of the parks I've visited.
      sigpic

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      • #4
        Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

        And I am 99.99% sure that they are not powered by the generator...they are most likely on the Disneyland power grid and run through a lighting control system like kpeek said. the generator is simply there for effect (and most likely that is not a real operating generator, but some sound effects and a prop...)
        I want to be an Imagineer....

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        • #5
          Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

          It's a pretty simple procedure.....They pay a guy to sit in a dark room somewhere and play with the light switch. If you ever spot him, don't feed him....the CM's don't like that.

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          • #6
            Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

            I don't know how they work, but they are such an awesome effect.

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            • #7
              Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

              Yea, the generator is just a prop. Some of the boxes around it are hidden speakers.

              I don't know what device they are using to make the lights flicker (probably a dimmer pack though), but it could be safe to guess its a computer controlled triac. The computer runs the sound effects to the generator and provides an output signal to a triac (probably in the form of a DMX signal going to a dimmer pack, like is done for theatrical productions). This makes the sound of the generator match the flickering, so when the generator lowers in pitch, like it is slowing down, then the lights go dimmer.

              That's a guess. It might be done that way, maybe not. It's how I would do it though, haha.

              EDIT: OP, don't you work at Indy?

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              • #8
                Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                Cool, Burt. Thanks for sharing. I wish someone would make a homemade prop like the generator. Like putting in that kind of computer that feeds the lights and soundtracks.


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                • #9
                  Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                  I know even cheap DMX packs like the ones I've used at school can create chase effects based on input audio. I have a feeling that the audio of a generator wouldn't give the right signals to it for the light to properly get dimmer and brighter though. I would assume that lights are just on a dimmer pack where the audio is programed in time with a loop of lighting cues. Many programs will do that effect too, even at a high school buget.

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                  • #10
                    Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                    Originally posted by TrevorD View Post
                    I know even cheap DMX packs like the ones I've used at school can create chase effects based on input audio. I have a feeling that the audio of a generator wouldn't give the right signals to it for the light to properly get dimmer and brighter though. I would assume that lights are just on a dimmer pack where the audio is programed in time with a loop of lighting cues. Many programs will do that effect too, even at a high school buget.
                    Yea, that's what I meant. Not the direct audio signals, but a track running a parallel running cues with step timings of 100ms or so.

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                    • #11
                      Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                      Could be ptp (point to point) cues too where they program the base intensity curve of the lights to the highs and lows of the main generator hum, and then add another layer of flicker which would also be in sync. To do this you basically get a screen that shows the musics frequencies, and then you would program where the light should be brightest and where it should be dimmest. Then it simply fades from level to level. The closer you put the peaks and vallys together, the faster it flickers. As mentioned before with the layers, you can have the general level of the light slowly changing with the flickering happening faster overtop. Great effect.

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                      • #12
                        Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                        the light flickering effects, are they similar to the effects used in haunted mansion(the chandelier(s), and other lights?)

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                        • #13
                          Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                          its easier than you think: Disneyland just decides to go cheap on paying their electric company

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                          • #14
                            Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?



                            attempt #2 at GETTING my question answered....

                            the light flickering effects, are they similar to the effects used in haunted mansion(the chandelier(s), and other lights?)
                            Last edited by disneyfan07; 07-19-2009, 09:18 PM.

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                            • #15
                              Re: How they do make the lights in Indiana Jones Adventure flicker and dimmed?

                              Indy's lights are on a dimmer, all of the dimming is programmed for the attraction. However, power to the dimmer itself is on a relay that turns on and off rapidly giving it that nice flickering/on/off effect.

                              They have an entire dimmer system developed for all of the lanterns/flickering lights park-wide. Big Thunder, HM, Adventureland, TSI, Fantasyland.

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