January 8, 2026

Drilled pin holes in the seats. Assembled the seats.

Drilled holes for the fuel lines in the fuselage.

Cleaned the banana slots for the flapperons.

Enlarged holes around drain and ventilation in the left wing.

Started trimming the windshield. I am using Dremel.…

January 3, 2026

Removed the wings.

Riveted the top window ribs.

Reinstalled the instrument panel. Preparing for the windshield installation.…

December 25, 2025

Installed the header tank post.

Fixed the flapperon offset.

Checked the flapperon position and range. Need to set longer bolts for the control stick stoppers.

Enlarged banana holes in the fuselage sides for flapperons.…

December 10, 2025

Installed the elevator piano hinges safety wires.

Measured and drilled the header tank post.

Removed and measured the flapperon pull rods. The Zenith supplied threads are 10 mm too long.…

December 18, 2025

Started adjusting the flapperons position and range.

All control rods have too long thread. I cannot screw the rod end up to the end. I cannot make the top edge of the flapperon bellcrank horizontal. The threads are about 10 mm long.…

December 16, 2025

For the flapperon balancing instead of cutting off the bottom or rear parts of the coutreweights I decided to drill.

Drliled all counterweights.…

December 09, 2025

Connected inbound and outbound flapperons using splice plates.

Reattached the flapperon counterweights before balancing.…

December 6, 2025

EAA counselor Dale Severs checked the empenage attaching to the fuselage and the wing struts.
Reattached flapperons to the wings.
Riveted inbound splice plates.

December 5, 2025

Drilled flapperon counterweights.

December 02, 2025

Drilled and temporarily attached flapperons.
To make the flapperons counterweights lighter I decided to drill hoes in them.
Started drilling the flapperons counterweights.

November 28, 2025

Added cotter pins to the control cable supporting rollers.

Attached the elevator top and bottom control cables. Safety pins installed.

Set the right wing trailing edge. Pay special attention to the angle supporting the fuel tank from behind. I quite forgot about it.

When installed the trailing edges on the left wing the inbound trailing edge had a higher angle of attack than the outbound trailing edge. I removed the trailing edges and tried again…

November 25, 2025

Slightly enlarged a hole in the vertical stabilizer to allow the full range of the elevator movement.

Trimmed the inbound trailing edge part touching the fuselage.

Temporarily installed the left wing trailing edge.

Made flapperon spacing templates.…

November 23, 2025

Made the vertical elevator stopper.

Riveted the horizontal stabilizer plastic ends.

Riveted the horizontal stabilizer doublers

Bolted the horizontal stabilizer with spacers.…

November 22, 2025

Riveted the elevator to the stabilizer.

Riveted the cable top and bottom supports.

Made the horizontal stabilizer spacers for the front attach points.

Made the elevator upper stop.…

November 14, 2025

Filed the strut attaching point by Zenith's instructions. Attached both struts. Removed the wing stands.

November 12, 2025

Drilled the holes in the upper part of the struts. Tried to fit the struts. The right wing attachment is too tight to fit by hand. It is too tight even without the strut.

Asked Zenith. 

The slot in the part C75W7-4 is too tight. I cannot fit it with hands. I looked at the conference. Some people say to file the male part a bit and polish it. What is the right way to fit?

Zenith answer: polish all surfaces to not to remove too…

November 10, 2025

Cut holes for instruments using mainly jig saw and a file.

November 8, 2025

Alighend the wings dihedral.

Cut the struts to the size. I used a hack saw.

Drilled the top ends for the attach points.…

November 4, 2025

Aligned and realigned the wings. I used a laser level. It is easier to work with than a string.
Drilled the rear spars. The distance to the spar edge looks reasonable.

November 3, 2025

Made the instrument panel prototype from cardboard.

Drawing pictures or moving small pieces of paper over the panel helps but it is not the same.

More than one version was required.…