Vertical Stabilizer jigging

As I’ve said, my empennage kit is 15 years old.  So, I don’t have the benefit of match-hole technology that the newer kits have.  The skin on the vertical stab is pre-punched.  But, the ribs and forward spar are not.  So, the skin has to be drilled onto the spars and ribs.  I chose to follow the method demonstrated by George Orndorff in his video series on building RV 6/7/8 kits.

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This is how it looks as of this morning.

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Here, the vertical stab is in the jig.  And, I’m getting the skeleton lined up by using the dimensions called out in the drawings and by using my Mk-I, Mod-0 eyeballs to spot the sharpie lines I drew on the ribs and forward spar.

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While trying to puzzle out exactly the best way to flute a rib that was slightly bowed, I stumbled upon the discovery that, in good light, the fluting locations are reflected onto the flanges of the part if I match it up with the full-size drawing.  For the actual fluting, I followed the method shown in the EAA “hints for homebuilders” video at http://www.eaavideo.org/video.aspx?v=1786897202001 .

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2 Responses to Vertical Stabilizer jigging

  1. I don’t write a bunch of remarks, however i did a
    few searching and wound up here Vertical Stabilizer jigging | Ken’s RV-8.
    And I actually do have 2 questions for you if it’s allright.

    Could it be simply me or does it seem like some of the remarks come across
    like they are left by brain dead folks?
    😛 And, if you are posting on other places, I would like to keep up
    with anything new you have to post. Could you make a list of
    all of your communal sites like your twitter feed, Facebook page or linkedin profile?

    • Ken W. says:

      I don’t do FB or Twitter. THis is pretty much it. I’m on hold right now because of a family illness. Hope to be getting back into the shop again soon.

      THanks!

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