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Originally Posted by pHaestus
Your hollowed out fan case is a venturi tube
You'd be better off to use long screws and duct tape or similar in between fans. |
Why is the hollowed out fan a restriction though? From the description of a Venture Tube, a VT is a place in the path of the flow of a liquid where there is a constriction or other type of decrease in diameter of available flow. A hollowed out fan, isn't going to provide anything in tha respect as it is going to have the same diameter opening (80mm to another 80mm, 120mm to another 120 mm) with nothing in its path because the an itself has been hollowed out leaving nothieng but a hollow ring.