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  1. #1

    Join Date
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    What's this pigtail on this old Power Expander 4804?

    I bought a used plane and it has a copyright 2004 Smart-Fly power expander (model 4804). There is also a number "3404 Revision A" on the device.

    There is a pigtail coming out from the unit that is not labelled. This pigtail is terminated with a standard male servo connector. What's this for? It has no power coming out of it even when the unit is powered.

    Is there a manual for this product?

  2. #2

    Join Date
    Sep 2004
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    RE: What's this pigtail on this old Power Expander 4804?

    Its for DSC. File attached.


    ORIGINAL: DMcQuinn

    I bought a used plane and it has a copyright 2004 Smart-Fly power expander (model 4804). There is also a number ''3404 Revision A'' on the device.

    There is a pigtail coming out from the unit that is not labelled. This pigtail is terminated with a standard male servo connector. What's this for? It has no power coming out of it even when the unit is powered.

    Is there a manual for this product?
    Attached Files Attached Files
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  3. #3

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    RE: What's this pigtail on this old Power Expander 4804?

    Thanks, that's just what I needed. It's a very intuitive device anyway, but the pigtail had me stumped. And the manual explains that only the primary four servo outputs are individually buffered. This is good info and not obvous from the device itself.


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