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Aviation Concepts 1/3-scale Schweizer 2-33 ~ Build Thread by JimD

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  • #61
    Before going forward with joining the inner and outer wing panels, the inner panels were joined with the wing rod and mated to the fuselage to check fit.
    Masking tape was added to the wing root ribs and the wing saddle to account for the thickness of the wing covering material.


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    Careful measurements were taken to check alignment of wings and then a 3/16" hole was drilled down through one of the wing bolt plates. Bolt plate has a 3/16" laser cut hole and it was used as a guide. A 3/16" diameter bolt was dropped down through this first hole, and then the other side was drilled and a second bolt was dropped in. Alignment measurements were rechecked before going forward.

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    One side was now drilled out for the tape size of a 1/4-20 size bolt. Threads were cut and a 1/4-20 bolt screwed in. Alignment measurements were rechecked and then the second bolt hole was drilled out and tap used to cut threads. Second 1/4-20 bolts screwed in. Bolts were then removed and clearance holes drilled into the wing. Threads in wings hold-down block were hardened with thin CA and, once CA cured, tap run through again.

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    Scrap plywood shims were used to center the forward section of the wings. With the rear wing bolts installed, holes for the wing dowels were drilled using a Fostner bit. Be careful about the depth, don't want to drill into the wing rod.

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    Wing was removed, depth of wing bolt holes were deepened as much as possible and then dowels were glued into the holes. Once glue cured, wing was again mated to the fuselage and alignment checked.

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    Now the structure for the upper cabin area was added using scrap plywood as spacers.

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    A Site for Soar Eyes

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    • #62
      With the wings in place, time to make the struts. Gunny supplies these cool little spacers to assist with inserting the steel end pieces into the aluminum wing struts. 16 of them get are glued onto the steel ends using thin CA. These then fit snuggly into the ends of the aluminum wing tubing. Once you are sure about the length, these parts get epoxied into the wing struts and then they are drilled through and retaining bolts installed.

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      A Site for Soar Eyes

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      • #63
        Now that the wings are mated up and the struts made, we can move on to joining the wing inner and outer panels and to adding the keel parts to the fuselage. We are using the scale tow releases, so the keel parts need to be modified. Gunny supplies templates for use as a cutting guide. We used some scrap basswood stick inserted into the notches of the keel parts to keep things aligned as they were laminated together.

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        A Site for Soar Eyes

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        • ARUP
          ARUP commented
          Editing a comment
          Nice work and I like that quilt in the background!

        • gunny11
          gunny11 commented
          Editing a comment
          Looking good Jim. Keep on going! I noticed the quilt also, reminds me of the valley down below the field.

        • JimD
          JimD commented
          Editing a comment
          My mother in law made the quilt, it is a scene of the valley below my house (I seem to like mountain tops).

      • #64
        Everything on the upper part of the fuselage has been completed while the fuselage can sit flat on the worksurface. Now it is time to flip the fuselage over and add the keel structure.

        Started by sitting the keel onto the lower fuselage and tracing the outline (make sure it is properly centered).


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        A Site for Soar Eyes

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        • #65
          I'm liking what I see! Progress, means you are on the home stretch?

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          • #66
            Will we see a Maiden at the Spring event?

            Jeremy
            SCCAAA TT TN

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            • JimD
              JimD commented
              Editing a comment
              Not that soon, hope for maiden at Windy Ridge...depends on my summons for jury duty. Got called for 8-week trial in Federal Grand Jury in Baltimore, Maryland. Will know on March 18th, the day I must appear for jury selection. If I am not picked, then my service is completed and there is no further time required. If I am picked to serve on the jury, then it will be for up to 8-weeks. Just trying to not stress about it too much, but this may alter my entire spring.

          • #67
            Originally posted by JimD View Post
            Not that soon, hope for maiden at Windy Ridge...depends on my summons for jury duty. Got called for 8-week trial in Federal Grand Jury in Baltimore, Maryland. Will know on March 18th, the day I must appear for jury selection. If I am not picked, then my service is completed and there is no further time required. If I am picked to serve on the jury, then it will be for up to 8-weeks. Just trying to not stress about it too much, but this may alter my entire spring.
            Not to mention that you have a TG-3 to build some where in between all that!!! 😃
            TEAM GORGEOUS

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