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Reload Thread: Ported Fiberglass Boxes... Help

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    Ported Fiberglass Boxes... Help

    I am making a ported fiberglass box, and I wanted to know how I go about doing the port, when I dont know the exact internal volume until the box is made???

    Any ideas anyone??



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    Re: Ported Fiberglass Boxes... Help

    its quite complex and you will need to determine the volume b4 you build, if your doing a basic 2 side mdf and the rest glass, you will need to use the 2/3 rule which is how much volume you have inside compared to if that box was fully mdf, the fiberglass box would only be 2/3 the actual volume over mdf

    or you could build the box, find the volume, then use areo ports cut to the desired length for the ports



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    Re: Ported Fiberglass Boxes... Help

    I like the second option

    Its impossible to find out the volume before its built... its quite odd shaped, so I cant chance it...

    Ill have to invest in some aero ports.

    Best Place to Buy Aeroports?



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    Re: Ported Fiberglass Boxes... Help

    partsexpress.com



    back at it...

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    Re: Ported Fiberglass Boxes... Help

    www.partsexpress.com
    i'm doing the same thing right now, i've almost got my box built, then i'm going to add one of their precision ports.



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    Re: Ported Fiberglass Boxes... Help

    also when finding your port length, for precision ports use this calculator



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    Re: Ported Fiberglass Boxes... Help

    precision ports ftw




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