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Curious about ferris-wheel lighting control

Discussion in 'Electronic Design' started by pklammer, Jul 18, 2007.

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  1. pklammer

    pklammer Guest

    Anyone have experience what kind of parts are used in amusement-park

    I see ferris wheels with animated lighting sequences that look like
    every single one of thousands of incandescent bulbs is individually
    switchable to create swirls and pinwheels of visual effects.

    Do they really use a $5 SSR per bulb?
  2. Donald

    Donald Guest

    No, relays.
  3. Guy Macon

    Guy Macon Guest

    If you look carefully (I suggest making a video and freezeframing it)
    you will discover that the lights are in groups that always go on
    and off together. It's hard for the eye to catch this if there are
    more than 20 or 30 channels.
    They are far more likely to use mechanical relays (in sockets so
    that they can be replaced if they go bad).
  4. krw

    krw Guest

    I would have thought they'd use triacs for cost/maintenance reasons.
  5. Donald

    Donald Guest

    Its a simple matter of cost.

    Relays are cheaper, and cheaper to wire up.
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