From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: Installing AoA in completed 360
To: lml
Date: Fri, 05 May 2006 15:41:00 -0400
Message-ID: <web-1093621@logan.com>
In-Reply-To: <23f.ad7800d.318cf6da@aol.com>
References: <23f.ad7800d.318cf6da@aol.com>
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Posted for RWolf99@aol.com:

  I have done steps 1,2 and 8 with the wing open, but there should be no
  problems doing it with the wing closed.  I have not done the other steps
  yet.
  
  Step 1 --  Use a 5-inch diameter hole saw and cut a hole in the bottom  of
  the wing adjacent to where you want the AoA pressure ports.  Make sure  you
are
  not cutting into a fuel tank.  (Duh!)  I put mine in the dry  bay outboard 
of
  the ailerons.  I have a header tank.
  
  Step 2 --  Prep (decore) the upper and lower inner surfaces to accept  the
  phenolic tube.  Note that you may need to sand down one end of the  phenolic
  tubes to get them to lay flush against the inner skin.
  
  Step 3 -- Install the hose barbs onto the phenolic tubes.
  
  Step 4 -- Flox the tubes in place.
  
  Step 5 -- Paint the outside of the tubes with epoxy to prevent air  leaks.
  
  Step 6 -- Drill small holes in skin as directed.
  
  Step 7 -- Run tubes out to wingtip and then inboard via the PVC  conduits.
  
  Step 8 -- Make access panel from piece of skin you cut out.  (Make  flange
  around gaping hole, make holes in access panel, fill in holes with flox,
  drill
  holes thru to flange, attach nutplates to flange, countersink holes in
  access
  panel.)
  
  It should be pretty easy, even if the wing is closed.
  
  - Rob Wolf


[My only suggestion is regarding step #6... don't drill the pressure port 
holes until after the airplane is painted (or primed if going to be flown in 
primer).  That way you're not fighting with a paper clip or some other 
indicator of where the holes are in an attempt to keep from closing them 
during the finishing process.   After the tubes are installed, make a paper 
guide with the hole locations that you can index off the wing and put it aside 
until the painting is done.  You will save untold hours of fiddling around 
those holes during the finishing process if you don't need to worry about 
filling them in, or sanding around them.  FWIW.   <Marv>       ]