Builders Log

Total Hours: 875.90


Build Hours: 5

I finished stitches the obstructed ribs. Karin decided to sit out in the garage and do her bible study while I worked on the ribs. I was really nice.After she was done, we walked over to the yogurt shop and had a yogurt together.

After stitching all the ribs, I covered them with pinking tape. I first applied a layer of glue down that extended about 3/4" off each end. I then applied the pinking tape and, using MEK, we the material down and smoothing out with my gloved hands. I then continued down the length of the rib and cut the tape about 1/4" from the rear edge. Was able to get both sides of the wing taped.

Taped wing

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Build Hours: 5

Today, I decided that I would mark the rib stitches and punch the holes for the thread. I made a mistake marking the rib stitches right off the bat. But, it was easily corrected. The correct way, and the way I did it correctly, is to mark off 1/2 S from the leading edge of the rib for your first mark. S = 2 1/2 inches in the prop wash and 3 1/2 inches outside the prop wash. I marked my changes on the material with a plus sign. 

Marked rib stitches

After I marked the correct rib stitch locations by the ruler, I went back and moved the stitch locations where an obstruction would be. I then went back and marked a "O" on all the ribs the had the compression ribs in place. 

I then went back and punched out the holes for the thread with the tip of my pencil. On punch was a little larger then I wanted but it worked out fine in the end.

rib stitch thread holes punched

I was surprised how fast that went and decided to start stitching my unobstructed stitches and see how far I could go. I was surprised that I was able to get all my unobstructed ribs done. I remembered that the trailing edge on all but one of the ribs was unobstructed so I stitched those as well.

Rib stitches for the unostructed rib

I was actually able to get a couple ribs on the top with the curved needle for the obstructed ribs as well. My back was hurthing me, so I had to stop.

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Build Hours: 0.75

Akplied the rib reinforcing tape to the ribs this evening. I measured out a strip of tape along the rib and cut to length. I then counted the remaining ribs that need reinforcing on the side exposed and cut that number of tape strips. Starting at the leading edge, I removed the self adhesive backing and lined up the edge of the tape with the back side of the leading edge former. I them carfuly applied the tape down the length of the rib. Turned the wing over and repeated on the other side.


reinforcing tape on ribs

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Build Hours: 1.25

Shrunk and fabric at 300 degrees. 

Shunk fabric

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Build Hours: 2

I was able to shrink the fabric on the top of the wing. Started from the rear and ironed one panel at a time. I then moved to the leading edge and removed any winkles I saw being careful not to crease the fabric. 

fabric stretched on the top.

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Build Hours: 4

Added the access for the pitot tube and connected it with a wood screw to the spar. Covered the top of the wing with fabric. Need to finish covering the ends and shrinking the fabric.

pitot access

top covered

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Build Hours: 4

Finished covering and shrinking the bottom of the wing. Cut holes in for the brackets and put on the reinforcing patches. Glued in the Access holes and reinforcing patches.

Bottom stretched

bracket holes

Access holes

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Build Hours: 0.75

Glued the trailing edge down.

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Build Hours: 2

Finished removing the hardware and putting the cloth on the bottom ow the wing. Covered the wood that the cloth would be attached to with glue. Glued down the leading edge first. Discovered that I need to start from the leading edge to the rear with gluing the sides. Cut the slots for the trailing edge.

cloth covering

Also, made a pattern for the patch for the supports.

pattern for patch

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Build Hours: 0.45

Two coats of spar varnish on the fuel bay on the left wing. One more coat to do and then work on making the aileron move freely.

varnished fuel bay

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