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Ballast Tank Vent holes in the lexan tube....hmmmmmmm????

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  • Ballast Tank Vent holes in the lexan tube....hmmmmmmm????

    Okay Dave,

    I'm crying uncle!!

    What's the trick to those beautiful 1" ventral flood holes? You obviously have a jig, but what tool?

    If it's not a trade secret of course.

    Forstner Bit? Multi Step Bit after pilot hole w/Plasitc bit?

    Merriman Heat vision? (I can feel it now!!)
    v/r "Sub" Ed

    Silent Service "Cold War" Veteran (The good years!)
    NEVER underestimate the power of a Sailor who served aboard a submarine.
    USS ULYSSES S GRANT-USS SHARK-USS NAUTILUS-USS KEY WEST-SSRN SEAVIEW-PROTEUS-NAUTILUS

  • #2
    Originally posted by QuarterMaster View Post
    Okay Dave,

    I'm crying uncle!!

    What's the trick to those beautiful 1" ventral flood holes? You obviously have a jig, but what tool?

    If it's not a trade secret of course.

    Forstner Bit? Multi Step Bit after pilot hole w/Plasitc bit?

    Merriman Heat vision? (I can feel it now!!)

    With this:



    I chamfer and bevel with a #22 blade.

    David
    "... well, that takes care of Jorgenson's theory!"

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    • #3
      Roger that!

      Now let's see how many test units I'll crack.......
      v/r "Sub" Ed

      Silent Service "Cold War" Veteran (The good years!)
      NEVER underestimate the power of a Sailor who served aboard a submarine.
      USS ULYSSES S GRANT-USS SHARK-USS NAUTILUS-USS KEY WEST-SSRN SEAVIEW-PROTEUS-NAUTILUS

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