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  1. #9
    Join Date
    Dec 2006
    Location
    Tigard, Oregon
    Posts
    3,017

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    Wow, a 4" hole saw creates a lot of dust! Last night, I drilled three 4" holes and installed the pull out tubes.

    Here's the two holes for the vents in the walk thru area which is the factory location. I put two layers of masking tape on the gelcoat and measured about ten times before finally drilling. I ran the 4" hole saw in reverse all the way thru. As you can see, it makes a perfectly clean hole - the chip in the bottom of the left 4" hole was caused by a protruding head screw in the pull out tube body which I caught on the edge of the hole after test fitting the tube then pulling it out. The chip in the rightmost screw hole was because I tried to put the screw in before chamfering the hole - doh!. It all gets covered up anyway.



    Here are the tubes installed. These are the new style vents - the nice thing about them is that you can twist the vents to open and close them.

    Last edited by cab13367; 04-22-2010 at 11:28 AM.
    Al

    2006 Mobius LSV

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