Online Community of Zenith Builders and Flyers
September 03 2023
Drilled the spar.
Built the strut attaching point. Used a long flexible drill to drill wholes on the side.…
Added by Alexander Samoylovich on November 23, 2023 at 9:12am — No Comments
Added by Alexander Samoylovich on November 21, 2023 at 8:08am — No Comments
August 31 2023
Levelled the wing skeleton using shims.
Clecoed the wing outbound bottom skin.…
Added by Alexander Samoylovich on November 18, 2023 at 1:10pm — No Comments
Added by Alexander Samoylovich on November 16, 2023 at 11:52am — No Comments
August 15 2023
Started building a wing. Clecoed the skeleton. Flattened a nose rib flange to fit the spar better.…
ContinueAdded by Alexander Samoylovich on November 13, 2023 at 3:25pm — No Comments
August 11 2023
Build a foldable flapperon rack and stored the flapperons on the attic.
One screw per leg. Two screws total. The legs rotate and pinch the horizontal bar. No glue. No special value. Just for fun.…
ContinueAdded by Alexander Samoylovich on November 12, 2023 at 12:30pm — No Comments
Added by Alexander Samoylovich on November 5, 2023 at 8:34am — No Comments
August 09 2023
Fabricating and drilling the inbound flapperons L angles. I used the method described in the Homebuilt Help. Used the flapperon arm as a conductor.
Added flapperon tips.
Riveted the flapperons.…
ContinueAdded by Alexander Samoylovich on November 4, 2023 at 9:54am — No Comments
Added by Alexander Samoylovich on November 2, 2023 at 4:07pm — No Comments
July 31 2023
Stored the stabilizer and the elevator on the rack.
Clecoed the right outbound flapperon skeleton.…
Added by Alexander Samoylovich on November 1, 2023 at 12:48pm — No Comments
July 30 2023
Riveted the elevator.
My riveter head is too large to get inside the cradle. I used a nut as a shim between the rivet head and the riveter.
Tuned the servo. To make the range +20 -40 as per the drawing I had to set the distance between the trim arm pins to 119mm. Very close to the recommended 116.
Changed the way the safety wires on the piano hinges are set. It is the way the safety wire is set on the Zenith demonstration plane. See the last image,…
Added by Alexander Samoylovich on October 29, 2023 at 4:37pm — No Comments
July 28 2023
Riveted the stabilizer tip ribs. Drilled the stabilizer tips. The angle between the tip rib and the stabilizer is good enough I believe.…
ContinueAdded by Alexander Samoylovich on October 28, 2023 at 5:36pm — No Comments
July 27 2023
Sanded the plastic stabilizer tips to make edges flat.
By a reason I cannot understand the parts C75T1-11 tip rib do not have predrilled holes in my kit. The Assembly Manual assumes they should be.
I send an email to Zenith and talked to Roger on Oshkosh.
Yes, it is an error. The holes should be there. But instead of asking Zenith to fabricate and send me the new parts I decided to drill them. After all it is a part of fun.
I draw a 10mm line from…
Added by Alexander Samoylovich on October 27, 2023 at 12:52pm — No Comments
July 22 2023
A storage rack. It was designed to keep the wing. Since I do not have the wings yet I store the parts already built. It has enough room for the wings too.
Added by Alexander Samoylovich on August 12, 2023 at 9:52pm — 2 Comments
July 12 2023
Sent Zenith an email with a question how many security wires do I need on the elevator piano hinge - 2 or 6.
Clecoed the trim tab servo.
Drilled the rest of the holes to the size.
Finished the initial elevator assembly.…
Added by Alexander Samoylovich on August 1, 2023 at 8:27pm — 2 Comments
Added by Alexander Samoylovich on July 30, 2023 at 6:50pm — No Comments
July 10 2023
Build small parts around the elevator weight arm.
Cutting and marking the horn doubler angle.
Drilling the holes under the right angle was the most difficult part.
I used a right angle drill extender from Harbor Freight.
Cut, drilled, trimmed and installed two L angles.…
Added by Alexander Samoylovich on July 28, 2023 at 5:41pm — No Comments
July 9 2023
Matched the stabilizer and the elevator with a piano hinge. They move not quite freely but better than I expected.
Started building the elevator weight balance arm.…
Added by Alexander Samoylovich on July 27, 2023 at 6:56pm — 2 Comments
July 8 2023
Riveted the stabilizer skin. User ratcheted belts to close the skin. Much more convenient than to push by hand.
Almost at the end I dropped a drill bit inside the stabilizer through the rivet hole. The stabilizer is fully closed the there are no holes I could get the drill bit. I did not want to leave it there forever and rattle. On the other hand I did not want to remove a lot of rivets to get it out.
I used a wooden wedge to make a small gap between the skin and…
Added by Alexander Samoylovich on July 22, 2023 at 3:45pm — No Comments
July 05 2023
Made L angles to attach the end ribs to the spars. The drawing is incorrect. It says to make 56 and 60 mm L angles. They are too short and do not fit the predrilled holes.
The assembly manual is right. The length of the L angles should be 75 mm. I used a long drill bit to drill through the spars. My electric drill does not fit the space.
Attention. I clecoed the ribs incorrectly. On the pictures the rib goes over the spar. The ribs should go between the…
Added by Alexander Samoylovich on July 20, 2023 at 6:14pm — No Comments
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