Ailerons & Lower Wings & Struts
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Building Lower Wings

Ailerons-Wings-Struts

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Top Row
Photo #1 - This shows the lower wing aileron control horn as well as the horn that slaves the upper aileron via a 3/4 x .035 T-6 tube and rod end bearings at each end of the tube.
Photo #2 - The last wing panel was finished the first day of summer 2003 and is the last major building project except for the struts and the cowl.
Time to bite the bullet and spend the last 3000 bucks.  First order will be about 350 dollars worth of turnbuckles and assorted hardware to rig the wings.
Photo #3 - Wanted to also see the line up of my push tube from the control stick to the aileron idler arm within the wing root rib, and make sure it wasn't going to get a pant leg.  Looks ok for now and I also got this measurement so I can fabricate the part.
Photo #4 - Made my own pitot tube from 1/4" O.D. 5052 soft aluminum tube.  Top for ram air, bottom for pressure difference.  Bottom has 8 - #60 holes drilled.  First set 1" aft of plugged end ( 4x dia.) and next set at 1 1/2" aft.  This unit will be mounted to my right interplane strut.  Quarter inch plastic tube will come from this. through the top of the wing and then to the root rib where I will install a "T" fitting with a drain plug, then into the fuselage and instruments.  The end of the bottom tube was tapped for a 10-32 short bolt that was screwed into the end and epoxied in place.
Photo #5 - Lower wing is not Poly-U'ed yet but wanted to make sure I didn't have to make any major changes before I finished it.  I also made a wooden mock - up of my inter-plane strut to make sure that when I make it out of aluminum, everything will fit.  The main vertical part of the strut will be 2 one inch x .049 aluminum pipes, with .032 sheet riveted to each side.  I also wanted to get some measurements on everything as it lined up.  Everything is close although I may need an incidence adjustment.  Not sure if the problem is wash out or incidence but will get it right.  Anyway something appears to be off about 1/2 to 3/4 of a degree. It was getting too damned hot outside to continue and rain in the forecast so pulled it all apart for today and will do the left side soon.

Bottom Row
Photo #1 & 2 -Attached left wings.  Made a minor adjustment at the cabane and determined that my wooden strut jig is a half an inch off.  Easy fix.  Measuring from each wing tip to the tail post all measurements now within a sixteenth of an inch. Strut jig held in place with "C" clamps.  I ran out of gas for putting on the left side but did manage to hang the tail feathers momentarily.  Am happy with the results so far so will tear it down again, finish the lower wings and make the struts.  The long stick (from the wing to the pavement) at the end of the top wing is just a support stick to level the fuselage/wing set up so I could get good measurements.
Photo #3 - I will call this strut PROTOTYPE ONE as it weighs too much and it ain't done yet.  Anyway it looks the way I wanted so I clamped the strut from my model to the bottom of it and as you can see it matches pretty good.  Have to make a trip to Wichita this week so will swing by The Yard store and see if I can come up with some lighter stuff.
Photo #4 -Both struts near completion and they match each other and the model.  Top and bottom of each is 1" x .049 sq. tube that attaches them to the wing with 1" -.040 round tube between and slotted into the sq. tube with .032 aluminum sides riveted every 2 inches.  Used 12 - AN3-14a bolts top and bottom through the whole unit.
Photo #5 -Both struts completed.
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