RV-9A: Horizontal Stabilizer - 10/3/2005
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 Clecoed the Front spar into position in the Right HS skin
After I riveted the selected HS-904 main ribs to front spar, I put it into the right HS skin. You'll notice that the end of the front spar that sticks out is propped up with some scrap wood that I had laying around. Now I will begin placing and riveting in the other HS-904 main ribs to the front spar.
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 Riveted the rest of the HS-904 Main Ribs to the Front Spar
All of these ribs went in pretty easy except for the inner most rib. I will need to order a Long 1/8" Rivet Shank from Averys Tools for the rivet gun to get these rivets bucked in correctly.
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 The inner connection to the front spar and front rib
You can see here that's is little tough to get to the rivets that hold the middle inner rib to the front spar and the front rib. None of the yokes I had would work. I tried the using a 5.5 inch Double Offset Rivet Set from Avery Tools in my rivet gun with a bucking bar, but it just doesn't have enought direct driving force to drive the rivet into the bucking bar. It just beats the crap out the rivet head. I am ordering a new set of 7.5 inch Rivet Shanks from Avery Tools to get the direct straight force I think I will need to set these rivets properly. UPDATE: My suspicions were true, the straight shanks worked great! I put an order into Averys tools and received the shanks the next day! Also, I learned that when using any longer than normal rivet shank, the pressure needs to increased. I usually bump the pressure up to 60 pounds for these long rivet sets, instead of the typical 40 pounds for normal size sets.
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